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| author | Jan200101 <sentrycraft123@gmail.com> | 2022-10-28 20:49:20 +0200 |
|---|---|---|
| committer | Jan200101 <sentrycraft123@gmail.com> | 2022-10-28 20:49:20 +0200 |
| commit | bf07d6c0678e13fe5b92a3f8c22f890e6cca6efd (patch) | |
| tree | f73814ba362292eb0525c6902db7f0322b69fc91 /SOURCES/patch-5.19-redhat.patch | |
| parent | 5fb3b14a350cd19f94d224b07a0c1fc9dcffdc0f (diff) | |
| download | kernel-fsync-bf07d6c0678e13fe5b92a3f8c22f890e6cca6efd.tar.gz kernel-fsync-bf07d6c0678e13fe5b92a3f8c22f890e6cca6efd.zip | |
kernel 6.0.5
Diffstat (limited to 'SOURCES/patch-5.19-redhat.patch')
| -rw-r--r-- | SOURCES/patch-5.19-redhat.patch | 3516 |
1 files changed, 0 insertions, 3516 deletions
diff --git a/SOURCES/patch-5.19-redhat.patch b/SOURCES/patch-5.19-redhat.patch deleted file mode 100644 index 3a8675f..0000000 --- a/SOURCES/patch-5.19-redhat.patch +++ /dev/null @@ -1,3516 +0,0 @@ - .../devicetree/bindings/gpu/brcm,bcm-v3d.yaml | 1 + - .../bindings/soc/bcm/brcm,bcm2835-pm.txt | 46 - - .../bindings/soc/bcm/brcm,bcm2835-pm.yaml | 86 ++ - Kconfig | 2 + - Kconfig.redhat | 17 + - Makefile | 4 + - arch/arm/Kconfig | 4 +- - arch/arm/boot/dts/bcm2711-rpi.dtsi | 4 + - arch/arm/boot/dts/bcm2711.dtsi | 14 +- - arch/arm/boot/dts/bcm2835-common.dtsi | 1 + - arch/arm/configs/bcm2835_defconfig | 1 + - arch/arm/configs/multi_v7_defconfig | 1 + - arch/arm64/Kconfig | 3 +- - arch/arm64/configs/defconfig | 1 + - arch/s390/include/asm/ipl.h | 1 + - arch/s390/kernel/ipl.c | 5 + - arch/s390/kernel/setup.c | 4 + - arch/x86/kernel/setup.c | 22 +- - drivers/acpi/apei/hest.c | 8 + - drivers/acpi/irq.c | 17 +- - drivers/acpi/scan.c | 9 + - drivers/ata/libahci.c | 18 + - drivers/char/ipmi/ipmi_dmi.c | 15 + - drivers/char/ipmi/ipmi_msghandler.c | 16 +- - drivers/firmware/efi/Makefile | 1 + - drivers/firmware/efi/efi.c | 124 ++- - drivers/firmware/efi/secureboot.c | 38 + - drivers/firmware/sysfb.c | 18 +- - drivers/gpu/drm/drm_ioctl.c | 8 +- - drivers/gpu/drm/i915/display/intel_bios.c | 46 +- - drivers/gpu/drm/i915/display/intel_psr.c | 37 +- - drivers/gpu/drm/v3d/Kconfig | 5 +- - drivers/gpu/drm/v3d/v3d_debugfs.c | 18 +- - drivers/gpu/drm/v3d/v3d_drv.c | 12 +- - drivers/gpu/drm/v3d/v3d_gem.c | 12 +- - drivers/gpu/drm/vc4/vc4_hdmi.c | 29 + - drivers/hid/hid-rmi.c | 64 -- - drivers/hwtracing/coresight/coresight-etm4x-core.c | 19 + - drivers/input/rmi4/rmi_driver.c | 124 +-- - drivers/iommu/iommu.c | 22 + - drivers/mfd/bcm2835-pm.c | 74 +- - drivers/net/phy/Kconfig | 5 + - drivers/net/phy/Makefile | 1 + - drivers/net/phy/bcm-phy-lib.h | 19 + - drivers/net/phy/bcm-phy-ptp.c | 944 +++++++++++++++++++++ - drivers/net/phy/broadcom.c | 33 +- - drivers/pci/quirks.c | 24 + - drivers/phy/rockchip/phy-rockchip-inno-usb2.c | 10 +- - drivers/soc/bcm/bcm2835-power.c | 72 +- - drivers/usb/core/hub.c | 7 + - include/linux/efi.h | 22 +- - include/linux/lsm_hook_defs.h | 2 + - include/linux/lsm_hooks.h | 6 + - include/linux/mfd/bcm2835-pm.h | 1 + - include/linux/rmi.h | 1 + - include/linux/security.h | 5 + - init/Kconfig | 2 +- - kernel/module/signing.c | 9 +- - net/bluetooth/hci_event.c | 20 + - net/ipv4/fib_semantics.c | 8 +- - scripts/pahole-flags.sh | 4 + - scripts/tags.sh | 2 + - security/integrity/platform_certs/load_uefi.c | 6 +- - security/lockdown/Kconfig | 13 + - security/lockdown/lockdown.c | 1 + - security/security.c | 6 + - tools/testing/selftests/net/fib_nexthops.sh | 5 + - 67 files changed, 1823 insertions(+), 356 deletions(-) - -diff --git a/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml b/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml -index e6485f7b046f..217c42874f41 100644 ---- a/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml -+++ b/Documentation/devicetree/bindings/gpu/brcm,bcm-v3d.yaml -@@ -16,6 +16,7 @@ properties: - - compatible: - enum: -+ - brcm,2711-v3d - - brcm,7268-v3d - - brcm,7278-v3d - -diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.txt b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.txt -deleted file mode 100644 -index 72ff033565e5..000000000000 ---- a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.txt -+++ /dev/null -@@ -1,46 +0,0 @@ --BCM2835 PM (Power domains, watchdog) -- --The PM block controls power domains and some reset lines, and includes --a watchdog timer. This binding supersedes the brcm,bcm2835-pm-wdt --binding which covered some of PM's register range and functionality. -- --Required properties: -- --- compatible: Should be "brcm,bcm2835-pm" --- reg: Specifies base physical address and size of the two -- register ranges ("PM" and "ASYNC_BRIDGE" in that -- order) --- clocks: a) v3d: The V3D clock from CPRMAN -- b) peri_image: The PERI_IMAGE clock from CPRMAN -- c) h264: The H264 clock from CPRMAN -- d) isp: The ISP clock from CPRMAN --- #reset-cells: Should be 1. This property follows the reset controller -- bindings[1]. --- #power-domain-cells: Should be 1. This property follows the power domain -- bindings[2]. -- --Optional properties: -- --- timeout-sec: Contains the watchdog timeout in seconds --- system-power-controller: Whether the watchdog is controlling the -- system power. This node follows the power controller bindings[3]. -- --[1] Documentation/devicetree/bindings/reset/reset.txt --[2] Documentation/devicetree/bindings/power/power-domain.yaml --[3] Documentation/devicetree/bindings/power/power-controller.txt -- --Example: -- --pm { -- compatible = "brcm,bcm2835-pm", "brcm,bcm2835-pm-wdt"; -- #power-domain-cells = <1>; -- #reset-cells = <1>; -- reg = <0x7e100000 0x114>, -- <0x7e00a000 0x24>; -- clocks = <&clocks BCM2835_CLOCK_V3D>, -- <&clocks BCM2835_CLOCK_PERI_IMAGE>, -- <&clocks BCM2835_CLOCK_H264>, -- <&clocks BCM2835_CLOCK_ISP>; -- clock-names = "v3d", "peri_image", "h264", "isp"; -- system-power-controller; --}; -diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml -new file mode 100644 -index 000000000000..894786640938 ---- /dev/null -+++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml -@@ -0,0 +1,86 @@ -+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause -+%YAML 1.2 -+--- -+$id: "http://devicetree.org/schemas/soc/bcm/brcm,bcm2835-pm.yaml#" -+$schema: "http://devicetree.org/meta-schemas/core.yaml#" -+ -+title: BCM2835 PM (Power domains, watchdog) -+ -+description: | -+ The PM block controls power domains and some reset lines, and includes a -+ watchdog timer. -+ -+maintainers: -+ - Nicolas Saenz Julienne <nsaenz@kernel.org> -+ -+allOf: -+ - $ref: ../../watchdog/watchdog.yaml# -+ -+properties: -+ compatible: -+ items: -+ - enum: -+ - brcm,bcm2835-pm -+ - brcm,bcm2711-pm -+ - const: brcm,bcm2835-pm-wdt -+ -+ reg: -+ minItems: 2 -+ maxItems: 3 -+ -+ reg-names: -+ minItems: 2 -+ items: -+ - const: pm -+ - const: asb -+ - const: rpivid_asb -+ -+ "#power-domain-cells": -+ const: 1 -+ -+ "#reset-cells": -+ const: 1 -+ -+ clocks: -+ minItems: 4 -+ maxItems: 4 -+ -+ clock-names: -+ items: -+ - const: v3d -+ - const: peri_image -+ - const: h264 -+ - const: isp -+ -+ system-power-controller: -+ type: boolean -+ -+ timeout-sec: true -+ -+required: -+ - compatible -+ - reg -+ - "#power-domain-cells" -+ - "#reset-cells" -+ - clocks -+ -+additionalProperties: false -+ -+examples: -+ - | -+ #include <dt-bindings/clock/bcm2835.h> -+ -+ watchdog@7e100000 { -+ compatible = "brcm,bcm2835-pm", "brcm,bcm2835-pm-wdt"; -+ #power-domain-cells = <1>; -+ #reset-cells = <1>; -+ reg = <0x7e100000 0x114>, -+ <0x7e00a000 0x24>; -+ reg-names = "pm", "asb"; -+ clocks = <&clocks BCM2835_CLOCK_V3D>, -+ <&clocks BCM2835_CLOCK_PERI_IMAGE>, -+ <&clocks BCM2835_CLOCK_H264>, -+ <&clocks BCM2835_CLOCK_ISP>; -+ clock-names = "v3d", "peri_image", "h264", "isp"; -+ system-power-controller; -+ }; -diff --git a/Kconfig b/Kconfig -index 745bc773f567..f57ff40109d7 100644 ---- a/Kconfig -+++ b/Kconfig -@@ -30,3 +30,5 @@ source "lib/Kconfig" - source "lib/Kconfig.debug" - - source "Documentation/Kconfig" -+ -+source "Kconfig.redhat" -diff --git a/Kconfig.redhat b/Kconfig.redhat -new file mode 100644 -index 000000000000..733a26bd887a ---- /dev/null -+++ b/Kconfig.redhat -@@ -0,0 +1,17 @@ -+# SPDX-License-Identifier: GPL-2.0-only -+# -+# Red Hat specific options -+# -+ -+menu "Red Hat options" -+ -+config RH_DISABLE_DEPRECATED -+ bool "Remove support for deprecated features" -+ help -+ Red Hat may choose to deprecate certain features in its kernels. -+ Enable this option to remove support for hardware that is no -+ longer supported. -+ -+ Unless you want a restricted kernel, say N here. -+ -+endmenu -diff --git a/Makefile b/Makefile -index a1d1978bbd03..d636b4d23342 100644 ---- a/Makefile -+++ b/Makefile -@@ -18,6 +18,10 @@ $(if $(filter __%, $(MAKECMDGOALS)), \ - PHONY := __all - __all: - -+# Set RHEL variables -+# Use this spot to avoid future merge conflicts -+include Makefile.rhelver -+ - # We are using a recursive build, so we need to do a little thinking - # to get the ordering right. - # -diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig -index 7630ba9cb6cc..c2e2991edd11 100644 ---- a/arch/arm/Kconfig -+++ b/arch/arm/Kconfig -@@ -1382,9 +1382,9 @@ config HIGHMEM - If unsure, say n. - - config HIGHPTE -- bool "Allocate 2nd-level pagetables from highmem" if EXPERT -+ bool "Allocate 2nd-level pagetables from highmem" - depends on HIGHMEM -- default y -+ default n - help - The VM uses one page of physical memory for each page table. - For systems with a lot of processes, this can use a lot of -diff --git a/arch/arm/boot/dts/bcm2711-rpi.dtsi b/arch/arm/boot/dts/bcm2711-rpi.dtsi -index ca266c5d9f9b..98817a6675b9 100644 ---- a/arch/arm/boot/dts/bcm2711-rpi.dtsi -+++ b/arch/arm/boot/dts/bcm2711-rpi.dtsi -@@ -69,6 +69,10 @@ blconfig: nvram@0 { - }; - }; - -+&v3d { -+ clocks = <&firmware_clocks 5>; -+}; -+ - &vchiq { - interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>; - }; -diff --git a/arch/arm/boot/dts/bcm2711.dtsi b/arch/arm/boot/dts/bcm2711.dtsi -index 89af57482bc8..941c4d16791b 100644 ---- a/arch/arm/boot/dts/bcm2711.dtsi -+++ b/arch/arm/boot/dts/bcm2711.dtsi -@@ -107,12 +107,13 @@ dma: dma@7e007000 { - }; - - pm: watchdog@7e100000 { -- compatible = "brcm,bcm2835-pm", "brcm,bcm2835-pm-wdt"; -+ compatible = "brcm,bcm2711-pm", "brcm,bcm2835-pm-wdt"; - #power-domain-cells = <1>; - #reset-cells = <1>; - reg = <0x7e100000 0x114>, - <0x7e00a000 0x24>, - <0x7ec11000 0x20>; -+ reg-names = "pm", "asb", "rpivid_asb"; - clocks = <&clocks BCM2835_CLOCK_V3D>, - <&clocks BCM2835_CLOCK_PERI_IMAGE>, - <&clocks BCM2835_CLOCK_H264>, -@@ -601,6 +602,17 @@ genet_mdio: mdio@e14 { - #size-cells = <0x0>; - }; - }; -+ -+ v3d: gpu@7ec00000 { -+ compatible = "brcm,2711-v3d"; -+ reg = <0x0 0x7ec00000 0x4000>, -+ <0x0 0x7ec04000 0x4000>; -+ reg-names = "hub", "core0"; -+ -+ power-domains = <&pm BCM2835_POWER_DOMAIN_GRAFX_V3D>; -+ resets = <&pm BCM2835_RESET_V3D>; -+ interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>; -+ }; - }; - }; - -diff --git a/arch/arm/boot/dts/bcm2835-common.dtsi b/arch/arm/boot/dts/bcm2835-common.dtsi -index c25e797b9060..a037d2bc5b11 100644 ---- a/arch/arm/boot/dts/bcm2835-common.dtsi -+++ b/arch/arm/boot/dts/bcm2835-common.dtsi -@@ -62,6 +62,7 @@ pm: watchdog@7e100000 { - #reset-cells = <1>; - reg = <0x7e100000 0x114>, - <0x7e00a000 0x24>; -+ reg-names = "pm", "asb"; - clocks = <&clocks BCM2835_CLOCK_V3D>, - <&clocks BCM2835_CLOCK_PERI_IMAGE>, - <&clocks BCM2835_CLOCK_H264>, -diff --git a/arch/arm/configs/bcm2835_defconfig b/arch/arm/configs/bcm2835_defconfig -index a9ed79b7f871..9270512c14ea 100644 ---- a/arch/arm/configs/bcm2835_defconfig -+++ b/arch/arm/configs/bcm2835_defconfig -@@ -106,6 +106,7 @@ CONFIG_REGULATOR_GPIO=y - CONFIG_MEDIA_SUPPORT=y - CONFIG_MEDIA_CAMERA_SUPPORT=y - CONFIG_DRM=y -+CONFIG_DRM_V3D=y - CONFIG_DRM_VC4=y - CONFIG_FB_SIMPLE=y - CONFIG_FRAMEBUFFER_CONSOLE=y -diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig -index ce9826bce29b..948d18e59cf5 100644 ---- a/arch/arm/configs/multi_v7_defconfig -+++ b/arch/arm/configs/multi_v7_defconfig -@@ -747,6 +747,7 @@ CONFIG_DRM_IMX_PARALLEL_DISPLAY=m - CONFIG_DRM_IMX_TVE=m - CONFIG_DRM_IMX_LDB=m - CONFIG_DRM_IMX_HDMI=m -+CONFIG_DRM_V3D=m - CONFIG_DRM_VC4=m - CONFIG_DRM_ETNAVIV=m - CONFIG_DRM_MXSFB=m -diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig -index cc1e7bb49d38..8bb79230ac24 100644 ---- a/arch/arm64/Kconfig -+++ b/arch/arm64/Kconfig -@@ -1179,7 +1179,7 @@ endchoice - - config ARM64_FORCE_52BIT - bool "Force 52-bit virtual addresses for userspace" -- depends on ARM64_VA_BITS_52 && EXPERT -+ depends on ARM64_VA_BITS_52 - help - For systems with 52-bit userspace VAs enabled, the kernel will attempt - to maintain compatibility with older software by providing 48-bit VAs -@@ -1418,6 +1418,7 @@ config XEN - config FORCE_MAX_ZONEORDER - int - default "14" if ARM64_64K_PAGES -+ default "13" if (ARCH_THUNDER && !ARM64_64K_PAGES) - default "12" if ARM64_16K_PAGES - default "11" - help -diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig -index 7d1105343bc2..36aace2b5b28 100644 ---- a/arch/arm64/configs/defconfig -+++ b/arch/arm64/configs/defconfig -@@ -754,6 +754,7 @@ CONFIG_DRM_CDNS_MHDP8546=m - CONFIG_DRM_DW_HDMI_AHB_AUDIO=m - CONFIG_DRM_DW_HDMI_CEC=m - CONFIG_DRM_IMX_DCSS=m -+CONFIG_DRM_V3D=m - CONFIG_DRM_VC4=m - CONFIG_DRM_ETNAVIV=m - CONFIG_DRM_HISI_HIBMC=m -diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h -index a405b6bb89fb..50827b341fd7 100644 ---- a/arch/s390/include/asm/ipl.h -+++ b/arch/s390/include/asm/ipl.h -@@ -128,6 +128,7 @@ int ipl_report_add_component(struct ipl_report *report, struct kexec_buf *kbuf, - unsigned char flags, unsigned short cert); - int ipl_report_add_certificate(struct ipl_report *report, void *key, - unsigned long addr, unsigned long len); -+bool ipl_get_secureboot(void); - - /* - * DIAG 308 support -diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c -index 1cc85b8ff42e..b7ee128c67ce 100644 ---- a/arch/s390/kernel/ipl.c -+++ b/arch/s390/kernel/ipl.c -@@ -2216,3 +2216,8 @@ int ipl_report_free(struct ipl_report *report) - } - - #endif -+ -+bool ipl_get_secureboot(void) -+{ -+ return !!ipl_secure_flag; -+} -diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c -index 3e0361db963e..9b59492fc2f4 100644 ---- a/arch/s390/kernel/setup.c -+++ b/arch/s390/kernel/setup.c -@@ -49,6 +49,7 @@ - #include <linux/memory.h> - #include <linux/compat.h> - #include <linux/start_kernel.h> -+#include <linux/security.h> - #include <linux/hugetlb.h> - #include <linux/kmemleak.h> - -@@ -971,6 +972,9 @@ void __init setup_arch(char **cmdline_p) - - log_component_list(); - -+ if (ipl_get_secureboot()) -+ security_lock_kernel_down("Secure IPL mode", LOCKDOWN_INTEGRITY_MAX); -+ - /* Have one command line that is parsed and saved in /proc/cmdline */ - /* boot_command_line has been already set up in early.c */ - *cmdline_p = boot_command_line; -diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c -index bd6c6fd373ae..3333b08a778d 100644 ---- a/arch/x86/kernel/setup.c -+++ b/arch/x86/kernel/setup.c -@@ -20,6 +20,7 @@ - #include <linux/root_dev.h> - #include <linux/hugetlb.h> - #include <linux/tboot.h> -+#include <linux/security.h> - #include <linux/usb/xhci-dbgp.h> - #include <linux/static_call.h> - #include <linux/swiotlb.h> -@@ -963,6 +964,13 @@ void __init setup_arch(char **cmdline_p) - if (efi_enabled(EFI_BOOT)) - efi_init(); - -+ efi_set_secure_boot(boot_params.secure_boot); -+ -+#ifdef CONFIG_LOCK_DOWN_IN_EFI_SECURE_BOOT -+ if (efi_enabled(EFI_SECURE_BOOT)) -+ security_lock_kernel_down("EFI Secure Boot mode", LOCKDOWN_INTEGRITY_MAX); -+#endif -+ - dmi_setup(); - - /* -@@ -1132,19 +1140,7 @@ void __init setup_arch(char **cmdline_p) - /* Allocate bigger log buffer */ - setup_log_buf(1); - -- if (efi_enabled(EFI_BOOT)) { -- switch (boot_params.secure_boot) { -- case efi_secureboot_mode_disabled: -- pr_info("Secure boot disabled\n"); -- break; -- case efi_secureboot_mode_enabled: -- pr_info("Secure boot enabled\n"); -- break; -- default: -- pr_info("Secure boot could not be determined\n"); -- break; -- } -- } -+ efi_set_secure_boot(boot_params.secure_boot); - - reserve_initrd(); - -diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c -index 6aef1ee5e1bd..8f146b1b4972 100644 ---- a/drivers/acpi/apei/hest.c -+++ b/drivers/acpi/apei/hest.c -@@ -96,6 +96,14 @@ static int apei_hest_parse(apei_hest_func_t func, void *data) - if (hest_disable || !hest_tab) - return -EINVAL; - -+#ifdef CONFIG_ARM64 -+ /* Ignore broken firmware */ -+ if (!strncmp(hest_tab->header.oem_id, "HPE ", 6) && -+ !strncmp(hest_tab->header.oem_table_id, "ProLiant", 8) && -+ MIDR_IMPLEMENTOR(read_cpuid_id()) == ARM_CPU_IMP_APM) -+ return -EINVAL; -+#endif -+ - hest_hdr = (struct acpi_hest_header *)(hest_tab + 1); - for (i = 0; i < hest_tab->error_source_count; i++) { - len = hest_esrc_len(hest_hdr); -diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c -index c68e694fca26..146cba5ae5bc 100644 ---- a/drivers/acpi/irq.c -+++ b/drivers/acpi/irq.c -@@ -130,6 +130,7 @@ struct acpi_irq_parse_one_ctx { - unsigned int index; - unsigned long *res_flags; - struct irq_fwspec *fwspec; -+ bool skip_producer_check; - }; - - /** -@@ -201,7 +202,8 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares, - return AE_CTRL_TERMINATE; - case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: - eirq = &ares->data.extended_irq; -- if (eirq->producer_consumer == ACPI_PRODUCER) -+ if (!ctx->skip_producer_check && -+ eirq->producer_consumer == ACPI_PRODUCER) - return AE_OK; - if (ctx->index >= eirq->interrupt_count) { - ctx->index -= eirq->interrupt_count; -@@ -236,8 +238,19 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares, - static int acpi_irq_parse_one(acpi_handle handle, unsigned int index, - struct irq_fwspec *fwspec, unsigned long *flags) - { -- struct acpi_irq_parse_one_ctx ctx = { -EINVAL, index, flags, fwspec }; -+ struct acpi_irq_parse_one_ctx ctx = { -EINVAL, index, flags, fwspec, false }; - -+ /* -+ * Firmware on arm64-based HPE m400 platform incorrectly marks -+ * its UART interrupt as ACPI_PRODUCER rather than ACPI_CONSUMER. -+ * Don't do the producer/consumer check for that device. -+ */ -+ if (IS_ENABLED(CONFIG_ARM64)) { -+ struct acpi_device *adev = acpi_bus_get_acpi_device(handle); -+ -+ if (adev && !strcmp(acpi_device_hid(adev), "APMC0D08")) -+ ctx.skip_producer_check = true; -+ } - acpi_walk_resources(handle, METHOD_NAME__CRS, acpi_irq_parse_one_cb, &ctx); - return ctx.rc; - } -diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c -index 762b61f67e6c..3581d4898dc4 100644 ---- a/drivers/acpi/scan.c -+++ b/drivers/acpi/scan.c -@@ -1766,6 +1766,15 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) - if (!acpi_match_device_ids(device, ignore_serial_bus_ids)) - return false; - -+ /* -+ * Firmware on some arm64 X-Gene platforms will make the UART -+ * device appear as both a UART and a slave of that UART. Just -+ * bail out here for X-Gene UARTs. -+ */ -+ if (IS_ENABLED(CONFIG_ARM64) && -+ !strcmp(acpi_device_hid(device), "APMC0D08")) -+ return false; -+ - INIT_LIST_HEAD(&resource_list); - acpi_dev_get_resources(device, &resource_list, - acpi_check_serial_bus_slave, -diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c -index cf8c7fd59ada..28a8189be64f 100644 ---- a/drivers/ata/libahci.c -+++ b/drivers/ata/libahci.c -@@ -690,6 +690,24 @@ int ahci_stop_engine(struct ata_port *ap) - tmp &= ~PORT_CMD_START; - writel(tmp, port_mmio + PORT_CMD); - -+#ifdef CONFIG_ARM64 -+ /* Rev Ax of Cavium CN99XX needs a hack for port stop */ -+ if (dev_is_pci(ap->host->dev) && -+ to_pci_dev(ap->host->dev)->vendor == 0x14e4 && -+ to_pci_dev(ap->host->dev)->device == 0x9027 && -+ midr_is_cpu_model_range(read_cpuid_id(), -+ MIDR_CPU_MODEL(ARM_CPU_IMP_BRCM, BRCM_CPU_PART_VULCAN), -+ MIDR_CPU_VAR_REV(0, 0), -+ MIDR_CPU_VAR_REV(0, MIDR_REVISION_MASK))) { -+ tmp = readl(hpriv->mmio + 0x8000); -+ udelay(100); -+ writel(tmp | (1 << 26), hpriv->mmio + 0x8000); -+ udelay(100); -+ writel(tmp & ~(1 << 26), hpriv->mmio + 0x8000); -+ dev_warn(ap->host->dev, "CN99XX SATA reset workaround applied\n"); -+ } -+#endif -+ - /* wait for engine to stop. This could be as long as 500 msec */ - tmp = ata_wait_register(ap, port_mmio + PORT_CMD, - PORT_CMD_LIST_ON, PORT_CMD_LIST_ON, 1, 500); -diff --git a/drivers/char/ipmi/ipmi_dmi.c b/drivers/char/ipmi/ipmi_dmi.c -index bbf7029e224b..cf7faa970dd6 100644 ---- a/drivers/char/ipmi/ipmi_dmi.c -+++ b/drivers/char/ipmi/ipmi_dmi.c -@@ -215,6 +215,21 @@ static int __init scan_for_dmi_ipmi(void) - { - const struct dmi_device *dev = NULL; - -+#ifdef CONFIG_ARM64 -+ /* RHEL-only -+ * If this is ARM-based HPE m400, return now, because that platform -+ * reports the host-side ipmi address as intel port-io space, which -+ * does not exist in the ARM architecture. -+ */ -+ const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME); -+ -+ if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) { -+ pr_debug("%s does not support host ipmi\n", dmistr); -+ return 0; -+ } -+ /* END RHEL-only */ -+#endif -+ - while ((dev = dmi_find_device(DMI_DEV_TYPE_IPMI, NULL, dev))) - dmi_decode_ipmi((const struct dmi_header *) dev->device_data); - -diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c -index 703433493c85..6b1b102b9b7d 100644 ---- a/drivers/char/ipmi/ipmi_msghandler.c -+++ b/drivers/char/ipmi/ipmi_msghandler.c -@@ -35,6 +35,7 @@ - #include <linux/uuid.h> - #include <linux/nospec.h> - #include <linux/vmalloc.h> -+#include <linux/dmi.h> - #include <linux/delay.h> - - #define IPMI_DRIVER_VERSION "39.2" -@@ -5516,8 +5517,21 @@ static int __init ipmi_init_msghandler_mod(void) - { - int rv; - -- pr_info("version " IPMI_DRIVER_VERSION "\n"); -+#ifdef CONFIG_ARM64 -+ /* RHEL-only -+ * If this is ARM-based HPE m400, return now, because that platform -+ * reports the host-side ipmi address as intel port-io space, which -+ * does not exist in the ARM architecture. -+ */ -+ const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME); - -+ if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) { -+ pr_debug("%s does not support host ipmi\n", dmistr); -+ return -ENOSYS; -+ } -+ /* END RHEL-only */ -+#endif -+ pr_info("version " IPMI_DRIVER_VERSION "\n"); - mutex_lock(&ipmi_interfaces_mutex); - rv = ipmi_register_driver(); - mutex_unlock(&ipmi_interfaces_mutex); -diff --git a/drivers/firmware/efi/Makefile b/drivers/firmware/efi/Makefile -index c02ff25dd477..d860f8eb9a81 100644 ---- a/drivers/firmware/efi/Makefile -+++ b/drivers/firmware/efi/Makefile -@@ -28,6 +28,7 @@ obj-$(CONFIG_EFI_FAKE_MEMMAP) += fake_map.o - obj-$(CONFIG_EFI_BOOTLOADER_CONTROL) += efibc.o - obj-$(CONFIG_EFI_TEST) += test/ - obj-$(CONFIG_EFI_DEV_PATH_PARSER) += dev-path-parser.o -+obj-$(CONFIG_EFI) += secureboot.o - obj-$(CONFIG_APPLE_PROPERTIES) += apple-properties.o - obj-$(CONFIG_EFI_RCI2_TABLE) += rci2-table.o - obj-$(CONFIG_EFI_EMBEDDED_FIRMWARE) += embedded-firmware.o -diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c -index 860534bcfdac..96548e72f5df 100644 ---- a/drivers/firmware/efi/efi.c -+++ b/drivers/firmware/efi/efi.c -@@ -31,6 +31,7 @@ - #include <linux/ucs2_string.h> - #include <linux/memblock.h> - #include <linux/security.h> -+#include <linux/bsearch.h> - - #include <asm/early_ioremap.h> - -@@ -862,40 +863,101 @@ int efi_mem_type(unsigned long phys_addr) - } - #endif - -+struct efi_error_code { -+ efi_status_t status; -+ int errno; -+ const char *description; -+}; -+ -+static const struct efi_error_code efi_error_codes[] = { -+ { EFI_SUCCESS, 0, "Success"}, -+#if 0 -+ { EFI_LOAD_ERROR, -EPICK_AN_ERRNO, "Load Error"}, -+#endif -+ { EFI_INVALID_PARAMETER, -EINVAL, "Invalid Parameter"}, -+ { EFI_UNSUPPORTED, -ENOSYS, "Unsupported"}, -+ { EFI_BAD_BUFFER_SIZE, -ENOSPC, "Bad Buffer Size"}, -+ { EFI_BUFFER_TOO_SMALL, -ENOSPC, "Buffer Too Small"}, -+ { EFI_NOT_READY, -EAGAIN, "Not Ready"}, -+ { EFI_DEVICE_ERROR, -EIO, "Device Error"}, -+ { EFI_WRITE_PROTECTED, -EROFS, "Write Protected"}, -+ { EFI_OUT_OF_RESOURCES, -ENOMEM, "Out of Resources"}, -+#if 0 -+ { EFI_VOLUME_CORRUPTED, -EPICK_AN_ERRNO, "Volume Corrupt"}, -+ { EFI_VOLUME_FULL, -EPICK_AN_ERRNO, "Volume Full"}, -+ { EFI_NO_MEDIA, -EPICK_AN_ERRNO, "No Media"}, -+ { EFI_MEDIA_CHANGED, -EPICK_AN_ERRNO, "Media changed"}, -+#endif -+ { EFI_NOT_FOUND, -ENOENT, "Not Found"}, -+#if 0 -+ { EFI_ACCESS_DENIED, -EPICK_AN_ERRNO, "Access Denied"}, -+ { EFI_NO_RESPONSE, -EPICK_AN_ERRNO, "No Response"}, -+ { EFI_NO_MAPPING, -EPICK_AN_ERRNO, "No mapping"}, -+ { EFI_TIMEOUT, -EPICK_AN_ERRNO, "Time out"}, -+ { EFI_NOT_STARTED, -EPICK_AN_ERRNO, "Not started"}, -+ { EFI_ALREADY_STARTED, -EPICK_AN_ERRNO, "Already started"}, -+#endif -+ { EFI_ABORTED, -EINTR, "Aborted"}, -+#if 0 -+ { EFI_ICMP_ERROR, -EPICK_AN_ERRNO, "ICMP Error"}, -+ { EFI_TFTP_ERROR, -EPICK_AN_ERRNO, "TFTP Error"}, -+ { EFI_PROTOCOL_ERROR, -EPICK_AN_ERRNO, "Protocol Error"}, -+ { EFI_INCOMPATIBLE_VERSION, -EPICK_AN_ERRNO, "Incompatible Version"}, -+#endif -+ { EFI_SECURITY_VIOLATION, -EACCES, "Security Policy Violation"}, -+#if 0 -+ { EFI_CRC_ERROR, -EPICK_AN_ERRNO, "CRC Error"}, -+ { EFI_END_OF_MEDIA, -EPICK_AN_ERRNO, "End of Media"}, -+ { EFI_END_OF_FILE, -EPICK_AN_ERRNO, "End of File"}, -+ { EFI_INVALID_LANGUAGE, -EPICK_AN_ERRNO, "Invalid Languages"}, -+ { EFI_COMPROMISED_DATA, -EPICK_AN_ERRNO, "Compromised Data"}, -+ -+ // warnings -+ { EFI_WARN_UNKOWN_GLYPH, -EPICK_AN_ERRNO, "Warning Unknown Glyph"}, -+ { EFI_WARN_DELETE_FAILURE, -EPICK_AN_ERRNO, "Warning Delete Failure"}, -+ { EFI_WARN_WRITE_FAILURE, -EPICK_AN_ERRNO, "Warning Write Failure"}, -+ { EFI_WARN_BUFFER_TOO_SMALL, -EPICK_AN_ERRNO, "Warning Buffer Too Small"}, -+#endif -+}; -+ -+static int -+efi_status_cmp_bsearch(const void *key, const void *item) -+{ -+ u64 status = (u64)(uintptr_t)key; -+ struct efi_error_code *code = (struct efi_error_code *)item; -+ -+ if (status < code->status) -+ return -1; -+ if (status > code->status) -+ return 1; -+ return 0; -+} -+ - int efi_status_to_err(efi_status_t status) - { -- int err; -- -- switch (status) { -- case EFI_SUCCESS: -- err = 0; -- break; -- case EFI_INVALID_PARAMETER: -- err = -EINVAL; -- break; -- case EFI_OUT_OF_RESOURCES: -- err = -ENOSPC; -- break; -- case EFI_DEVICE_ERROR: -- err = -EIO; -- break; -- case EFI_WRITE_PROTECTED: -- err = -EROFS; -- break; -- case EFI_SECURITY_VIOLATION: -- err = -EACCES; -- break; -- case EFI_NOT_FOUND: -- err = -ENOENT; -- break; -- case EFI_ABORTED: -- err = -EINTR; -- break; -- default: -- err = -EINVAL; -- } -+ struct efi_error_code *found; -+ size_t num = sizeof(efi_error_codes) / sizeof(struct efi_error_code); - -- return err; -+ found = bsearch((void *)(uintptr_t)status, efi_error_codes, -+ sizeof(struct efi_error_code), num, -+ efi_status_cmp_bsearch); -+ if (!found) -+ return -EINVAL; -+ return found->errno; -+} -+ -+const char * -+efi_status_to_str(efi_status_t status) -+{ -+ struct efi_error_code *found; -+ size_t num = sizeof(efi_error_codes) / sizeof(struct efi_error_code); -+ -+ found = bsearch((void *)(uintptr_t)status, efi_error_codes, -+ sizeof(struct efi_error_code), num, -+ efi_status_cmp_bsearch); -+ if (!found) -+ return "Unknown error code"; -+ return found->description; - } - - static DEFINE_SPINLOCK(efi_mem_reserve_persistent_lock); -diff --git a/drivers/firmware/efi/secureboot.c b/drivers/firmware/efi/secureboot.c -new file mode 100644 -index 000000000000..de0a3714a5d4 ---- /dev/null -+++ b/drivers/firmware/efi/secureboot.c -@@ -0,0 +1,38 @@ -+/* Core kernel secure boot support. -+ * -+ * Copyright (C) 2017 Red Hat, Inc. All Rights Reserved. -+ * Written by David Howells (dhowells@redhat.com) -+ * -+ * This program is free software; you can redistribute it and/or -+ * modify it under the terms of the GNU General Public Licence -+ * as published by the Free Software Foundation; either version -+ * 2 of the Licence, or (at your option) any later version. -+ */ -+ -+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt -+ -+#include <linux/efi.h> -+#include <linux/kernel.h> -+#include <linux/printk.h> -+ -+/* -+ * Decide what to do when UEFI secure boot mode is enabled. -+ */ -+void __init efi_set_secure_boot(enum efi_secureboot_mode mode) -+{ -+ if (efi_enabled(EFI_BOOT)) { -+ switch (mode) { -+ case efi_secureboot_mode_disabled: -+ pr_info("Secure boot disabled\n"); -+ break; -+ case efi_secureboot_mode_enabled: -+ set_bit(EFI_SECURE_BOOT, &efi.flags); -+ pr_info("Secure boot enabled\n"); -+ break; -+ default: -+ pr_warn("Secure boot could not be determined (mode %u)\n", -+ mode); -+ break; -+ } -+ } -+} -diff --git a/drivers/firmware/sysfb.c b/drivers/firmware/sysfb.c -index 1f276f108cc9..7039ad9bdf7f 100644 ---- a/drivers/firmware/sysfb.c -+++ b/drivers/firmware/sysfb.c -@@ -34,6 +34,22 @@ - #include <linux/screen_info.h> - #include <linux/sysfb.h> - -+static int skip_simpledrm; -+ -+static int __init simpledrm_disable(char *opt) -+{ -+ if (!opt) -+ return -EINVAL; -+ -+ get_option(&opt, &skip_simpledrm); -+ -+ if (skip_simpledrm) -+ pr_info("The simpledrm driver will not be probed\n"); -+ -+ return 0; -+} -+early_param("nvidia-drm.modeset", simpledrm_disable); -+ - static struct platform_device *pd; - static DEFINE_MUTEX(disable_lock); - static bool disabled; -@@ -83,7 +99,7 @@ static __init int sysfb_init(void) - - /* try to create a simple-framebuffer device */ - compatible = sysfb_parse_mode(si, &mode); -- if (compatible) { -+ if (compatible && !skip_simpledrm) { - pd = sysfb_create_simplefb(si, &mode); - if (!IS_ERR(pd)) - goto unlock_mutex; -diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c -index 51fcf1298023..7f1097947731 100644 ---- a/drivers/gpu/drm/drm_ioctl.c -+++ b/drivers/gpu/drm/drm_ioctl.c -@@ -472,7 +472,13 @@ EXPORT_SYMBOL(drm_invalid_op); - */ - static int drm_copy_field(char __user *buf, size_t *buf_len, const char *value) - { -- int len; -+ size_t len; -+ -+ /* don't attempt to copy a NULL pointer */ -+ if (WARN_ONCE(!value, "BUG: the value to copy was not set!")) { -+ *buf_len = 0; -+ return 0; -+ } - - /* don't overflow userbuf */ - len = strlen(value); -diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c -index 91caf4523b34..84c086610235 100644 ---- a/drivers/gpu/drm/i915/display/intel_bios.c -+++ b/drivers/gpu/drm/i915/display/intel_bios.c -@@ -332,18 +332,6 @@ static bool fixup_lfp_data_ptrs(const void *bdb, void *ptrs_block) - return validate_lfp_data_ptrs(bdb, ptrs); - } - --static const void *find_fp_timing_terminator(const u8 *data, int size) --{ -- int i; -- -- for (i = 0; i < size - 1; i++) { -- if (data[i] == 0xff && data[i+1] == 0xff) -- return &data[i]; -- } -- -- return NULL; --} -- - static int make_lfp_data_ptr(struct lvds_lfp_data_ptr_table *table, - int table_size, int total_size) - { -@@ -367,11 +355,22 @@ static void next_lfp_data_ptr(struct lvds_lfp_data_ptr_table *next, - static void *generate_lfp_data_ptrs(struct drm_i915_private *i915, - const void *bdb) - { -- int i, size, table_size, block_size, offset; -- const void *t0, *t1, *block; -+ int i, size, table_size, block_size, offset, fp_timing_size; - struct bdb_lvds_lfp_data_ptrs *ptrs; -+ const void *block; - void *ptrs_block; - -+ /* -+ * The hardcoded fp_timing_size is only valid for -+ * modernish VBTs. All older VBTs definitely should -+ * include block 41 and thus we don't need to -+ * generate one. -+ */ -+ if (i915->vbt.version < 155) -+ return NULL; -+ -+ fp_timing_size = 38; -+ - block = find_raw_section(bdb, BDB_LVDS_LFP_DATA); - if (!block) - return NULL; -@@ -380,17 +379,8 @@ static void *generate_lfp_data_ptrs(struct drm_i915_private *i915, - - block_size = get_blocksize(block); - -- size = block_size; -- t0 = find_fp_timing_terminator(block, size); -- if (!t0) -- return NULL; -- -- size -= t0 - block - 2; -- t1 = find_fp_timing_terminator(t0 + 2, size); -- if (!t1) -- return NULL; -- -- size = t1 - t0; -+ size = fp_timing_size + sizeof(struct lvds_dvo_timing) + -+ sizeof(struct lvds_pnp_id); - if (size * 16 > block_size) - return NULL; - -@@ -408,7 +398,7 @@ static void *generate_lfp_data_ptrs(struct drm_i915_private *i915, - table_size = sizeof(struct lvds_dvo_timing); - size = make_lfp_data_ptr(&ptrs->ptr[0].dvo_timing, table_size, size); - -- table_size = t0 - block + 2; -+ table_size = fp_timing_size; - size = make_lfp_data_ptr(&ptrs->ptr[0].fp_timing, table_size, size); - - if (ptrs->ptr[0].fp_timing.table_size) -@@ -423,14 +413,14 @@ static void *generate_lfp_data_ptrs(struct drm_i915_private *i915, - return NULL; - } - -- size = t1 - t0; -+ size = fp_timing_size + sizeof(struct lvds_dvo_timing) + -+ sizeof(struct lvds_pnp_id); - for (i = 1; i < 16; i++) { - next_lfp_data_ptr(&ptrs->ptr[i].fp_timing, &ptrs->ptr[i-1].fp_timing, size); - next_lfp_data_ptr(&ptrs->ptr[i].dvo_timing, &ptrs->ptr[i-1].dvo_timing, size); - next_lfp_data_ptr(&ptrs->ptr[i].panel_pnp_id, &ptrs->ptr[i-1].panel_pnp_id, size); - } - -- size = t1 - t0; - table_size = sizeof(struct lvds_lfp_panel_name); - - if (16 * (size + table_size) <= block_size) { -diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c -index 06db407e2749..36356893c7ca 100644 ---- a/drivers/gpu/drm/i915/display/intel_psr.c -+++ b/drivers/gpu/drm/i915/display/intel_psr.c -@@ -1618,8 +1618,12 @@ static void psr2_man_trk_ctl_calc(struct intel_crtc_state *crtc_state, - } - - static void clip_area_update(struct drm_rect *overlap_damage_area, -- struct drm_rect *damage_area) -+ struct drm_rect *damage_area, -+ struct drm_rect *pipe_src) - { -+ if (!drm_rect_intersect(damage_area, pipe_src)) -+ return; -+ - if (overlap_damage_area->y1 == -1) { - overlap_damage_area->y1 = damage_area->y1; - overlap_damage_area->y2 = damage_area->y2; -@@ -1685,6 +1689,7 @@ static bool psr2_sel_fetch_pipe_state_supported(const struct intel_crtc_state *c - int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, - struct intel_crtc *crtc) - { -+ struct drm_i915_private *dev_priv = to_i915(state->base.dev); - struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc); - struct drm_rect pipe_clip = { .x1 = 0, .y1 = -1, .x2 = INT_MAX, .y2 = -1 }; - struct intel_plane_state *new_plane_state, *old_plane_state; -@@ -1708,7 +1713,8 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, - */ - for_each_oldnew_intel_plane_in_state(state, plane, old_plane_state, - new_plane_state, i) { -- struct drm_rect src, damaged_area = { .y1 = -1 }; -+ struct drm_rect src, damaged_area = { .x1 = 0, .y1 = -1, -+ .x2 = INT_MAX }; - struct drm_atomic_helper_damage_iter iter; - struct drm_rect clip; - -@@ -1735,20 +1741,23 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, - if (old_plane_state->uapi.visible) { - damaged_area.y1 = old_plane_state->uapi.dst.y1; - damaged_area.y2 = old_plane_state->uapi.dst.y2; -- clip_area_update(&pipe_clip, &damaged_area); -+ clip_area_update(&pipe_clip, &damaged_area, -+ &crtc_state->pipe_src); - } - - if (new_plane_state->uapi.visible) { - damaged_area.y1 = new_plane_state->uapi.dst.y1; - damaged_area.y2 = new_plane_state->uapi.dst.y2; -- clip_area_update(&pipe_clip, &damaged_area); -+ clip_area_update(&pipe_clip, &damaged_area, -+ &crtc_state->pipe_src); - } - continue; - } else if (new_plane_state->uapi.alpha != old_plane_state->uapi.alpha) { - /* If alpha changed mark the whole plane area as damaged */ - damaged_area.y1 = new_plane_state->uapi.dst.y1; - damaged_area.y2 = new_plane_state->uapi.dst.y2; -- clip_area_update(&pipe_clip, &damaged_area); -+ clip_area_update(&pipe_clip, &damaged_area, -+ &crtc_state->pipe_src); - continue; - } - -@@ -1759,7 +1768,8 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, - &new_plane_state->uapi); - drm_atomic_for_each_plane_damage(&iter, &clip) { - if (drm_rect_intersect(&clip, &src)) -- clip_area_update(&damaged_area, &clip); -+ clip_area_update(&damaged_area, &clip, -+ &crtc_state->pipe_src); - } - - if (damaged_area.y1 == -1) -@@ -1767,7 +1777,20 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, - - damaged_area.y1 += new_plane_state->uapi.dst.y1 - src.y1; - damaged_area.y2 += new_plane_state->uapi.dst.y1 - src.y1; -- clip_area_update(&pipe_clip, &damaged_area); -+ clip_area_update(&pipe_clip, &damaged_area, &crtc_state->pipe_src); -+ } -+ -+ /* -+ * TODO: For now we are just using full update in case -+ * selective fetch area calculation fails. To optimize this we -+ * should identify cases where this happens and fix the area -+ * calculation for those. -+ */ -+ if (pipe_clip.y1 == -1) { -+ drm_info_once(&dev_priv->drm, -+ "Selective fetch area calculation failed in pipe %c\n", -+ pipe_name(crtc->pipe)); -+ full_update = true; - } - - if (full_update) -diff --git a/drivers/gpu/drm/v3d/Kconfig b/drivers/gpu/drm/v3d/Kconfig -index e973ec487484..ce62c5908e1d 100644 ---- a/drivers/gpu/drm/v3d/Kconfig -+++ b/drivers/gpu/drm/v3d/Kconfig -@@ -1,7 +1,7 @@ - # SPDX-License-Identifier: GPL-2.0-only - config DRM_V3D - tristate "Broadcom V3D 3.x and newer" -- depends on ARCH_BCM || ARCH_BRCMSTB || COMPILE_TEST -+ depends on ARCH_BCM || ARCH_BRCMSTB || ARCH_BCM2835 || COMPILE_TEST - depends on DRM - depends on COMMON_CLK - depends on MMU -@@ -9,4 +9,5 @@ config DRM_V3D - select DRM_GEM_SHMEM_HELPER - help - Choose this option if you have a system that has a Broadcom -- V3D 3.x or newer GPU, such as BCM7268. -+ V3D 3.x or newer GPUs. SoCs supported include the BCM2711, -+ BCM7268 and BCM7278. -diff --git a/drivers/gpu/drm/v3d/v3d_debugfs.c b/drivers/gpu/drm/v3d/v3d_debugfs.c -index 29fd13109e43..efbde124c296 100644 ---- a/drivers/gpu/drm/v3d/v3d_debugfs.c -+++ b/drivers/gpu/drm/v3d/v3d_debugfs.c -@@ -4,7 +4,6 @@ - #include <linux/circ_buf.h> - #include <linux/ctype.h> - #include <linux/debugfs.h> --#include <linux/pm_runtime.h> - #include <linux/seq_file.h> - #include <linux/string_helpers.h> - -@@ -131,11 +130,7 @@ static int v3d_v3d_debugfs_ident(struct seq_file *m, void *unused) - struct drm_device *dev = node->minor->dev; - struct v3d_dev *v3d = to_v3d_dev(dev); - u32 ident0, ident1, ident2, ident3, cores; -- int ret, core; -- -- ret = pm_runtime_get_sync(v3d->drm.dev); -- if (ret < 0) -- return ret; -+ int core; - - ident0 = V3D_READ(V3D_HUB_IDENT0); - ident1 = V3D_READ(V3D_HUB_IDENT1); -@@ -188,9 +183,6 @@ static int v3d_v3d_debugfs_ident(struct seq_file *m, void *unused) - (misccfg & V3D_MISCCFG_OVRTMUOUT) != 0); - } - -- pm_runtime_mark_last_busy(v3d->drm.dev); -- pm_runtime_put_autosuspend(v3d->drm.dev); -- - return 0; - } - -@@ -218,11 +210,6 @@ static int v3d_measure_clock(struct seq_file *m, void *unused) - uint32_t cycles; - int core = 0; - int measure_ms = 1000; -- int ret; -- -- ret = pm_runtime_get_sync(v3d->drm.dev); -- if (ret < 0) -- return ret; - - if (v3d->ver >= 40) { - V3D_CORE_WRITE(core, V3D_V4_PCTR_0_SRC_0_3, -@@ -246,9 +233,6 @@ static int v3d_measure_clock(struct seq_file *m, void *unused) - cycles / (measure_ms * 1000), - (cycles / (measure_ms * 100)) % 10); - -- pm_runtime_mark_last_busy(v3d->drm.dev); -- pm_runtime_put_autosuspend(v3d->drm.dev); -- - return 0; - } - -diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c -index 1afcd54fbbd5..8c7f910daa28 100644 ---- a/drivers/gpu/drm/v3d/v3d_drv.c -+++ b/drivers/gpu/drm/v3d/v3d_drv.c -@@ -19,7 +19,6 @@ - #include <linux/module.h> - #include <linux/of_platform.h> - #include <linux/platform_device.h> --#include <linux/pm_runtime.h> - #include <linux/reset.h> - - #include <drm/drm_drv.h> -@@ -43,7 +42,6 @@ static int v3d_get_param_ioctl(struct drm_device *dev, void *data, - { - struct v3d_dev *v3d = to_v3d_dev(dev); - struct drm_v3d_get_param *args = data; -- int ret; - static const u32 reg_map[] = { - [DRM_V3D_PARAM_V3D_UIFCFG] = V3D_HUB_UIFCFG, - [DRM_V3D_PARAM_V3D_HUB_IDENT1] = V3D_HUB_IDENT1, -@@ -69,17 +67,12 @@ static int v3d_get_param_ioctl(struct drm_device *dev, void *data, - if (args->value != 0) - return -EINVAL; - -- ret = pm_runtime_get_sync(v3d->drm.dev); -- if (ret < 0) -- return ret; - if (args->param >= DRM_V3D_PARAM_V3D_CORE0_IDENT0 && - args->param <= DRM_V3D_PARAM_V3D_CORE0_IDENT2) { - args->value = V3D_CORE_READ(0, offset); - } else { - args->value = V3D_READ(offset); - } -- pm_runtime_mark_last_busy(v3d->drm.dev); -- pm_runtime_put_autosuspend(v3d->drm.dev); - return 0; - } - -@@ -198,6 +191,7 @@ static const struct drm_driver v3d_drm_driver = { - }; - - static const struct of_device_id v3d_of_match[] = { -+ { .compatible = "brcm,2711-v3d" }, - { .compatible = "brcm,7268-v3d" }, - { .compatible = "brcm,7278-v3d" }, - {}, -@@ -280,10 +274,6 @@ static int v3d_platform_drm_probe(struct platform_device *pdev) - return -ENOMEM; - } - -- pm_runtime_use_autosuspend(dev); -- pm_runtime_set_autosuspend_delay(dev, 50); -- pm_runtime_enable(dev); -- - ret = v3d_gem_init(drm); - if (ret) - goto dma_free; -diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c -index 2352e9640922..725a252e837b 100644 ---- a/drivers/gpu/drm/v3d/v3d_gem.c -+++ b/drivers/gpu/drm/v3d/v3d_gem.c -@@ -6,7 +6,6 @@ - #include <linux/io.h> - #include <linux/module.h> - #include <linux/platform_device.h> --#include <linux/pm_runtime.h> - #include <linux/reset.h> - #include <linux/sched/signal.h> - #include <linux/uaccess.h> -@@ -372,9 +371,6 @@ v3d_job_free(struct kref *ref) - dma_fence_put(job->irq_fence); - dma_fence_put(job->done_fence); - -- pm_runtime_mark_last_busy(job->v3d->drm.dev); -- pm_runtime_put_autosuspend(job->v3d->drm.dev); -- - if (job->perfmon) - v3d_perfmon_put(job->perfmon); - -@@ -476,14 +472,10 @@ v3d_job_init(struct v3d_dev *v3d, struct drm_file *file_priv, - job->v3d = v3d; - job->free = free; - -- ret = pm_runtime_get_sync(v3d->drm.dev); -- if (ret < 0) -- goto fail; -- - ret = drm_sched_job_init(&job->base, &v3d_priv->sched_entity[queue], - v3d_priv); - if (ret) -- goto fail_job; -+ goto fail; - - if (has_multisync) { - if (se->in_sync_count && se->wait_stage == queue) { -@@ -514,8 +506,6 @@ v3d_job_init(struct v3d_dev *v3d, struct drm_file *file_priv, - - fail_deps: - drm_sched_job_cleanup(&job->base); --fail_job: -- pm_runtime_put_autosuspend(v3d->drm.dev); - fail: - kfree(*container); - *container = NULL; -diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c -index 199bc398817f..eb3aaaca2b80 100644 ---- a/drivers/gpu/drm/vc4/vc4_hdmi.c -+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c -@@ -2889,12 +2889,37 @@ static int vc4_hdmi_runtime_resume(struct device *dev) - struct vc4_hdmi *vc4_hdmi = dev_get_drvdata(dev); - unsigned long __maybe_unused flags; - u32 __maybe_unused value; -+ unsigned long rate; - int ret; - -+ /* -+ * The HSM clock is in the HDMI power domain, so we need to set -+ * its frequency while the power domain is active so that it -+ * keeps its rate. -+ */ -+ ret = clk_set_min_rate(vc4_hdmi->hsm_clock, HSM_MIN_CLOCK_FREQ); -+ if (ret) -+ return ret; -+ - ret = clk_prepare_enable(vc4_hdmi->hsm_clock); - if (ret) - return ret; - -+ /* -+ * Whenever the RaspberryPi boots without an HDMI monitor -+ * plugged in, the firmware won't have initialized the HSM clock -+ * rate and it will be reported as 0. -+ * -+ * If we try to access a register of the controller in such a -+ * case, it will lead to a silent CPU stall. Let's make sure we -+ * prevent such a case. -+ */ -+ rate = clk_get_rate(vc4_hdmi->hsm_clock); -+ if (!rate) { -+ ret = -EINVAL; -+ goto err_disable_clk; -+ } -+ - if (vc4_hdmi->variant->reset) - vc4_hdmi->variant->reset(vc4_hdmi); - -@@ -2916,6 +2941,10 @@ static int vc4_hdmi_runtime_resume(struct device *dev) - #endif - - return 0; -+ -+err_disable_clk: -+ clk_disable_unprepare(vc4_hdmi->hsm_clock); -+ return ret; - } - - static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) -diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c -index 311eee599ce9..2460c6bd46f8 100644 ---- a/drivers/hid/hid-rmi.c -+++ b/drivers/hid/hid-rmi.c -@@ -322,19 +322,12 @@ static int rmi_input_event(struct hid_device *hdev, u8 *data, int size) - { - struct rmi_data *hdata = hid_get_drvdata(hdev); - struct rmi_device *rmi_dev = hdata->xport.rmi_dev; -- unsigned long flags; - - if (!(test_bit(RMI_STARTED, &hdata->flags))) - return 0; - -- local_irq_save(flags); -- - rmi_set_attn_data(rmi_dev, data[1], &data[2], size - 2); - -- generic_handle_irq(hdata->rmi_irq); -- -- local_irq_restore(flags); -- - return 1; - } - -@@ -591,56 +584,6 @@ static const struct rmi_transport_ops hid_rmi_ops = { - .reset = rmi_hid_reset, - }; - --static void rmi_irq_teardown(void *data) --{ -- struct rmi_data *hdata = data; -- struct irq_domain *domain = hdata->domain; -- -- if (!domain) -- return; -- -- irq_dispose_mapping(irq_find_mapping(domain, 0)); -- -- irq_domain_remove(domain); -- hdata->domain = NULL; -- hdata->rmi_irq = 0; --} -- --static int rmi_irq_map(struct irq_domain *h, unsigned int virq, -- irq_hw_number_t hw_irq_num) --{ -- irq_set_chip_and_handler(virq, &dummy_irq_chip, handle_simple_irq); -- -- return 0; --} -- --static const struct irq_domain_ops rmi_irq_ops = { -- .map = rmi_irq_map, --}; -- --static int rmi_setup_irq_domain(struct hid_device *hdev) --{ -- struct rmi_data *hdata = hid_get_drvdata(hdev); -- int ret; -- -- hdata->domain = irq_domain_create_linear(hdev->dev.fwnode, 1, -- &rmi_irq_ops, hdata); -- if (!hdata->domain) -- return -ENOMEM; -- -- ret = devm_add_action_or_reset(&hdev->dev, &rmi_irq_teardown, hdata); -- if (ret) -- return ret; -- -- hdata->rmi_irq = irq_create_mapping(hdata->domain, 0); -- if (hdata->rmi_irq <= 0) { -- hid_err(hdev, "Can't allocate an IRQ\n"); -- return hdata->rmi_irq < 0 ? hdata->rmi_irq : -ENXIO; -- } -- -- return 0; --} -- - static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id) - { - struct rmi_data *data = NULL; -@@ -713,18 +656,11 @@ static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id) - - mutex_init(&data->page_mutex); - -- ret = rmi_setup_irq_domain(hdev); -- if (ret) { -- hid_err(hdev, "failed to allocate IRQ domain\n"); -- return ret; -- } -- - if (data->device_flags & RMI_DEVICE_HAS_PHYS_BUTTONS) - rmi_hid_pdata.gpio_data.disable = true; - - data->xport.dev = hdev->dev.parent; - data->xport.pdata = rmi_hid_pdata; -- data->xport.pdata.irq = data->rmi_irq; - data->xport.proto_name = "hid"; - data->xport.ops = &hid_rmi_ops; - -diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c -index 87299e99dabb..d37b689ad1bf 100644 ---- a/drivers/hwtracing/coresight/coresight-etm4x-core.c -+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c -@@ -9,6 +9,7 @@ - #include <linux/init.h> - #include <linux/types.h> - #include <linux/device.h> -+#include <linux/dmi.h> - #include <linux/io.h> - #include <linux/err.h> - #include <linux/fs.h> -@@ -2123,6 +2124,16 @@ static const struct amba_id etm4_ids[] = { - {}, - }; - -+static const struct dmi_system_id broken_coresight[] = { -+ { -+ .matches = { -+ DMI_MATCH(DMI_SYS_VENDOR, "HPE"), -+ DMI_MATCH(DMI_PRODUCT_NAME, "Apollo 70"), -+ }, -+ }, -+ { } /* terminating entry */ -+}; -+ - MODULE_DEVICE_TABLE(amba, etm4_ids); - - static struct amba_driver etm4x_amba_driver = { -@@ -2156,6 +2167,11 @@ static int __init etm4x_init(void) - { - int ret; - -+ if (dmi_check_system(broken_coresight)) { -+ pr_info("ETM4 disabled due to firmware bug\n"); -+ return 0; -+ } -+ - ret = etm4_pm_setup(); - - /* etm4_pm_setup() does its own cleanup - exit on error */ -@@ -2182,6 +2198,9 @@ static int __init etm4x_init(void) - - static void __exit etm4x_exit(void) - { -+ if (dmi_check_system(broken_coresight)) -+ return; -+ - amba_driver_unregister(&etm4x_amba_driver); - platform_driver_unregister(&etm4_platform_driver); - etm4_pm_clear(); -diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c -index 258d5fe3d395..f7298e3dc8f3 100644 ---- a/drivers/input/rmi4/rmi_driver.c -+++ b/drivers/input/rmi4/rmi_driver.c -@@ -182,34 +182,47 @@ void rmi_set_attn_data(struct rmi_device *rmi_dev, unsigned long irq_status, - attn_data.data = fifo_data; - - kfifo_put(&drvdata->attn_fifo, attn_data); -+ -+ schedule_work(&drvdata->attn_work); - } - EXPORT_SYMBOL_GPL(rmi_set_attn_data); - --static irqreturn_t rmi_irq_fn(int irq, void *dev_id) -+static void attn_callback(struct work_struct *work) - { -- struct rmi_device *rmi_dev = dev_id; -- struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev); -+ struct rmi_driver_data *drvdata = container_of(work, -+ struct rmi_driver_data, -+ attn_work); - struct rmi4_attn_data attn_data = {0}; - int ret, count; - - count = kfifo_get(&drvdata->attn_fifo, &attn_data); -- if (count) { -- *(drvdata->irq_status) = attn_data.irq_status; -- drvdata->attn_data = attn_data; -- } -+ if (!count) -+ return; - -- ret = rmi_process_interrupt_requests(rmi_dev); -+ *(drvdata->irq_status) = attn_data.irq_status; -+ drvdata->attn_data = attn_data; -+ -+ ret = rmi_process_interrupt_requests(drvdata->rmi_dev); - if (ret) -- rmi_dbg(RMI_DEBUG_CORE, &rmi_dev->dev, -+ rmi_dbg(RMI_DEBUG_CORE, &drvdata->rmi_dev->dev, - "Failed to process interrupt request: %d\n", ret); - -- if (count) { -- kfree(attn_data.data); -- drvdata->attn_data.data = NULL; -- } -+ kfree(attn_data.data); -+ drvdata->attn_data.data = NULL; - - if (!kfifo_is_empty(&drvdata->attn_fifo)) -- return rmi_irq_fn(irq, dev_id); -+ schedule_work(&drvdata->attn_work); -+} -+ -+static irqreturn_t rmi_irq_fn(int irq, void *dev_id) -+{ -+ struct rmi_device *rmi_dev = dev_id; -+ int ret; -+ -+ ret = rmi_process_interrupt_requests(rmi_dev); -+ if (ret) -+ rmi_dbg(RMI_DEBUG_CORE, &rmi_dev->dev, -+ "Failed to process interrupt request: %d\n", ret); - - return IRQ_HANDLED; - } -@@ -217,7 +230,6 @@ static irqreturn_t rmi_irq_fn(int irq, void *dev_id) - static int rmi_irq_init(struct rmi_device *rmi_dev) - { - struct rmi_device_platform_data *pdata = rmi_get_platform_data(rmi_dev); -- struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev); - int irq_flags = irq_get_trigger_type(pdata->irq); - int ret; - -@@ -235,8 +247,6 @@ static int rmi_irq_init(struct rmi_device *rmi_dev) - return ret; - } - -- data->enabled = true; -- - return 0; - } - -@@ -886,23 +896,27 @@ void rmi_enable_irq(struct rmi_device *rmi_dev, bool clear_wake) - if (data->enabled) - goto out; - -- enable_irq(irq); -- data->enabled = true; -- if (clear_wake && device_may_wakeup(rmi_dev->xport->dev)) { -- retval = disable_irq_wake(irq); -- if (retval) -- dev_warn(&rmi_dev->dev, -- "Failed to disable irq for wake: %d\n", -- retval); -- } -+ if (irq) { -+ enable_irq(irq); -+ data->enabled = true; -+ if (clear_wake && device_may_wakeup(rmi_dev->xport->dev)) { -+ retval = disable_irq_wake(irq); -+ if (retval) -+ dev_warn(&rmi_dev->dev, -+ "Failed to disable irq for wake: %d\n", -+ retval); -+ } - -- /* -- * Call rmi_process_interrupt_requests() after enabling irq, -- * otherwise we may lose interrupt on edge-triggered systems. -- */ -- irq_flags = irq_get_trigger_type(pdata->irq); -- if (irq_flags & IRQ_TYPE_EDGE_BOTH) -- rmi_process_interrupt_requests(rmi_dev); -+ /* -+ * Call rmi_process_interrupt_requests() after enabling irq, -+ * otherwise we may lose interrupt on edge-triggered systems. -+ */ -+ irq_flags = irq_get_trigger_type(pdata->irq); -+ if (irq_flags & IRQ_TYPE_EDGE_BOTH) -+ rmi_process_interrupt_requests(rmi_dev); -+ } else { -+ data->enabled = true; -+ } - - out: - mutex_unlock(&data->enabled_mutex); -@@ -922,20 +936,22 @@ void rmi_disable_irq(struct rmi_device *rmi_dev, bool enable_wake) - goto out; - - data->enabled = false; -- disable_irq(irq); -- if (enable_wake && device_may_wakeup(rmi_dev->xport->dev)) { -- retval = enable_irq_wake(irq); -- if (retval) -- dev_warn(&rmi_dev->dev, -- "Failed to enable irq for wake: %d\n", -- retval); -- } -- -- /* make sure the fifo is clean */ -- while (!kfifo_is_empty(&data->attn_fifo)) { -- count = kfifo_get(&data->attn_fifo, &attn_data); -- if (count) -- kfree(attn_data.data); -+ if (irq) { -+ disable_irq(irq); -+ if (enable_wake && device_may_wakeup(rmi_dev->xport->dev)) { -+ retval = enable_irq_wake(irq); -+ if (retval) -+ dev_warn(&rmi_dev->dev, -+ "Failed to enable irq for wake: %d\n", -+ retval); -+ } -+ } else { -+ /* make sure the fifo is clean */ -+ while (!kfifo_is_empty(&data->attn_fifo)) { -+ count = kfifo_get(&data->attn_fifo, &attn_data); -+ if (count) -+ kfree(attn_data.data); -+ } - } - - out: -@@ -981,6 +997,8 @@ static int rmi_driver_remove(struct device *dev) - irq_domain_remove(data->irqdomain); - data->irqdomain = NULL; - -+ cancel_work_sync(&data->attn_work); -+ - rmi_f34_remove_sysfs(rmi_dev); - rmi_free_function_list(rmi_dev); - -@@ -1219,9 +1237,15 @@ static int rmi_driver_probe(struct device *dev) - } - } - -- retval = rmi_irq_init(rmi_dev); -- if (retval < 0) -- goto err_destroy_functions; -+ if (pdata->irq) { -+ retval = rmi_irq_init(rmi_dev); -+ if (retval < 0) -+ goto err_destroy_functions; -+ } -+ -+ data->enabled = true; -+ -+ INIT_WORK(&data->attn_work, attn_callback); - - if (data->f01_container->dev.driver) { - /* Driver already bound, so enable ATTN now. */ -diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c -index f113833c3075..09b90271036f 100644 ---- a/drivers/iommu/iommu.c -+++ b/drivers/iommu/iommu.c -@@ -7,6 +7,7 @@ - #define pr_fmt(fmt) "iommu: " fmt - - #include <linux/device.h> -+#include <linux/dmi.h> - #include <linux/dma-iommu.h> - #include <linux/kernel.h> - #include <linux/bits.h> -@@ -2856,6 +2857,27 @@ u32 iommu_sva_get_pasid(struct iommu_sva *handle) - } - EXPORT_SYMBOL_GPL(iommu_sva_get_pasid); - -+#ifdef CONFIG_ARM64 -+static int __init iommu_quirks(void) -+{ -+ const char *vendor, *name; -+ -+ vendor = dmi_get_system_info(DMI_SYS_VENDOR); -+ name = dmi_get_system_info(DMI_PRODUCT_NAME); -+ -+ if (vendor && -+ (strncmp(vendor, "GIGABYTE", 8) == 0 && name && -+ (strncmp(name, "R120", 4) == 0 || -+ strncmp(name, "R270", 4) == 0))) { -+ pr_warn("Gigabyte %s detected, force iommu passthrough mode", name); -+ iommu_def_domain_type = IOMMU_DOMAIN_IDENTITY; -+ } -+ -+ return 0; -+} -+arch_initcall(iommu_quirks); -+#endif -+ - /* - * Changes the default domain of an iommu group that has *only* one device - * -diff --git a/drivers/mfd/bcm2835-pm.c b/drivers/mfd/bcm2835-pm.c -index 42fe67f1538e..49cd1f03884a 100644 ---- a/drivers/mfd/bcm2835-pm.c -+++ b/drivers/mfd/bcm2835-pm.c -@@ -25,9 +25,52 @@ static const struct mfd_cell bcm2835_power_devs[] = { - { .name = "bcm2835-power" }, - }; - -+static int bcm2835_pm_get_pdata(struct platform_device *pdev, -+ struct bcm2835_pm *pm) -+{ -+ if (of_find_property(pm->dev->of_node, "reg-names", NULL)) { -+ struct resource *res; -+ -+ pm->base = devm_platform_ioremap_resource_byname(pdev, "pm"); -+ if (IS_ERR(pm->base)) -+ return PTR_ERR(pm->base); -+ -+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "asb"); -+ if (res) { -+ pm->asb = devm_ioremap_resource(&pdev->dev, res); -+ if (IS_ERR(pm->asb)) -+ pm->asb = NULL; -+ } -+ -+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, -+ "rpivid_asb"); -+ if (res) { -+ pm->rpivid_asb = devm_ioremap_resource(&pdev->dev, res); -+ if (IS_ERR(pm->rpivid_asb)) -+ pm->rpivid_asb = NULL; -+ } -+ -+ return 0; -+ } -+ -+ /* If no 'reg-names' property is found we can assume we're using old DTB. */ -+ pm->base = devm_platform_ioremap_resource(pdev, 0); -+ if (IS_ERR(pm->base)) -+ return PTR_ERR(pm->base); -+ -+ pm->asb = devm_platform_ioremap_resource(pdev, 1); -+ if (IS_ERR(pm->asb)) -+ pm->asb = NULL; -+ -+ pm->rpivid_asb = devm_platform_ioremap_resource(pdev, 2); -+ if (IS_ERR(pm->rpivid_asb)) -+ pm->rpivid_asb = NULL; -+ -+ return 0; -+} -+ - static int bcm2835_pm_probe(struct platform_device *pdev) - { -- struct resource *res; - struct device *dev = &pdev->dev; - struct bcm2835_pm *pm; - int ret; -@@ -39,10 +82,9 @@ static int bcm2835_pm_probe(struct platform_device *pdev) - - pm->dev = dev; - -- res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -- pm->base = devm_ioremap_resource(dev, res); -- if (IS_ERR(pm->base)) -- return PTR_ERR(pm->base); -+ ret = bcm2835_pm_get_pdata(pdev, pm); -+ if (ret) -+ return ret; - - ret = devm_mfd_add_devices(dev, -1, - bcm2835_pm_devs, ARRAY_SIZE(bcm2835_pm_devs), -@@ -50,30 +92,22 @@ static int bcm2835_pm_probe(struct platform_device *pdev) - if (ret) - return ret; - -- /* We'll use the presence of the AXI ASB regs in the -+ /* -+ * We'll use the presence of the AXI ASB regs in the - * bcm2835-pm binding as the key for whether we can reference - * the full PM register range and support power domains. - */ -- res = platform_get_resource(pdev, IORESOURCE_MEM, 1); -- if (res) { -- pm->asb = devm_ioremap_resource(dev, res); -- if (IS_ERR(pm->asb)) -- return PTR_ERR(pm->asb); -- -- ret = devm_mfd_add_devices(dev, -1, -- bcm2835_power_devs, -- ARRAY_SIZE(bcm2835_power_devs), -- NULL, 0, NULL); -- if (ret) -- return ret; -- } -- -+ if (pm->asb) -+ return devm_mfd_add_devices(dev, -1, bcm2835_power_devs, -+ ARRAY_SIZE(bcm2835_power_devs), -+ NULL, 0, NULL); - return 0; - } - - static const struct of_device_id bcm2835_pm_of_match[] = { - { .compatible = "brcm,bcm2835-pm-wdt", }, - { .compatible = "brcm,bcm2835-pm", }, -+ { .compatible = "brcm,bcm2711-pm", }, - {}, - }; - MODULE_DEVICE_TABLE(of, bcm2835_pm_of_match); -diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig -index 9fee639ee5c8..4bb231013009 100644 ---- a/drivers/net/phy/Kconfig -+++ b/drivers/net/phy/Kconfig -@@ -104,6 +104,8 @@ config AX88796B_PHY - config BROADCOM_PHY - tristate "Broadcom 54XX PHYs" - select BCM_NET_PHYLIB -+ select BCM_NET_PHYPTP if NETWORK_PHY_TIMESTAMPING -+ depends on PTP_1588_CLOCK_OPTIONAL - help - Currently supports the BCM5411, BCM5421, BCM5461, BCM54616S, BCM5464, - BCM5481, BCM54810 and BCM5482 PHYs. -@@ -160,6 +162,9 @@ config BCM_CYGNUS_PHY - config BCM_NET_PHYLIB - tristate - -+config BCM_NET_PHYPTP -+ tristate -+ - config CICADA_PHY - tristate "Cicada PHYs" - help -diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile -index b12b1d86fc99..f7138d3c896b 100644 ---- a/drivers/net/phy/Makefile -+++ b/drivers/net/phy/Makefile -@@ -47,6 +47,7 @@ obj-$(CONFIG_BCM84881_PHY) += bcm84881.o - obj-$(CONFIG_BCM87XX_PHY) += bcm87xx.o - obj-$(CONFIG_BCM_CYGNUS_PHY) += bcm-cygnus.o - obj-$(CONFIG_BCM_NET_PHYLIB) += bcm-phy-lib.o -+obj-$(CONFIG_BCM_NET_PHYPTP) += bcm-phy-ptp.o - obj-$(CONFIG_BROADCOM_PHY) += broadcom.o - obj-$(CONFIG_CICADA_PHY) += cicada.o - obj-$(CONFIG_CORTINA_PHY) += cortina.o -diff --git a/drivers/net/phy/bcm-phy-lib.h b/drivers/net/phy/bcm-phy-lib.h -index c3842f87c33b..9902fb182099 100644 ---- a/drivers/net/phy/bcm-phy-lib.h -+++ b/drivers/net/phy/bcm-phy-lib.h -@@ -87,4 +87,23 @@ int bcm_phy_cable_test_start_rdb(struct phy_device *phydev); - int bcm_phy_cable_test_start(struct phy_device *phydev); - int bcm_phy_cable_test_get_status(struct phy_device *phydev, bool *finished); - -+#if IS_ENABLED(CONFIG_BCM_NET_PHYPTP) -+struct bcm_ptp_private *bcm_ptp_probe(struct phy_device *phydev); -+void bcm_ptp_config_init(struct phy_device *phydev); -+void bcm_ptp_stop(struct bcm_ptp_private *priv); -+#else -+static inline struct bcm_ptp_private *bcm_ptp_probe(struct phy_device *phydev) -+{ -+ return NULL; -+} -+ -+static inline void bcm_ptp_config_init(struct phy_device *phydev) -+{ -+} -+ -+static inline void bcm_ptp_stop(struct bcm_ptp_private *priv) -+{ -+} -+#endif -+ - #endif /* _LINUX_BCM_PHY_LIB_H */ -diff --git a/drivers/net/phy/bcm-phy-ptp.c b/drivers/net/phy/bcm-phy-ptp.c -new file mode 100644 -index 000000000000..ef00d6163061 ---- /dev/null -+++ b/drivers/net/phy/bcm-phy-ptp.c -@@ -0,0 +1,944 @@ -+// SPDX-License-Identifier: GPL-2.0 -+/* -+ * Copyright (C) 2022 Meta Platforms Inc. -+ * Copyright (C) 2022 Jonathan Lemon <jonathan.lemon@gmail.com> -+ */ -+ -+#include <asm/unaligned.h> -+#include <linux/mii.h> -+#include <linux/phy.h> -+#include <linux/ptp_classify.h> -+#include <linux/ptp_clock_kernel.h> -+#include <linux/net_tstamp.h> -+#include <linux/netdevice.h> -+#include <linux/workqueue.h> -+ -+#include "bcm-phy-lib.h" -+ -+/* IEEE 1588 Expansion registers */ -+#define SLICE_CTRL 0x0810 -+#define SLICE_TX_EN BIT(0) -+#define SLICE_RX_EN BIT(8) -+#define TX_EVENT_MODE 0x0811 -+#define MODE_TX_UPDATE_CF BIT(0) -+#define MODE_TX_REPLACE_TS_CF BIT(1) -+#define MODE_TX_REPLACE_TS GENMASK(1, 0) -+#define RX_EVENT_MODE 0x0819 -+#define MODE_RX_UPDATE_CF BIT(0) -+#define MODE_RX_INSERT_TS_48 BIT(1) -+#define MODE_RX_INSERT_TS_64 GENMASK(1, 0) -+ -+#define MODE_EVT_SHIFT_SYNC 0 -+#define MODE_EVT_SHIFT_DELAY_REQ 2 -+#define MODE_EVT_SHIFT_PDELAY_REQ 4 -+#define MODE_EVT_SHIFT_PDELAY_RESP 6 -+ -+#define MODE_SEL_SHIFT_PORT 0 -+#define MODE_SEL_SHIFT_CPU 8 -+ -+#define RX_MODE_SEL(sel, evt, act) \ -+ (((MODE_RX_##act) << (MODE_EVT_SHIFT_##evt)) << (MODE_SEL_SHIFT_##sel)) -+ -+#define TX_MODE_SEL(sel, evt, act) \ -+ (((MODE_TX_##act) << (MODE_EVT_SHIFT_##evt)) << (MODE_SEL_SHIFT_##sel)) -+ -+/* needs global TS capture first */ -+#define TX_TS_CAPTURE 0x0821 -+#define TX_TS_CAP_EN BIT(0) -+#define RX_TS_CAPTURE 0x0822 -+#define RX_TS_CAP_EN BIT(0) -+ -+#define TIME_CODE_0 0x0854 -+#define TIME_CODE_1 0x0855 -+#define TIME_CODE_2 0x0856 -+#define TIME_CODE_3 0x0857 -+#define TIME_CODE_4 0x0858 -+ -+#define DPLL_SELECT 0x085b -+#define DPLL_HB_MODE2 BIT(6) -+ -+#define SHADOW_CTRL 0x085c -+#define SHADOW_LOAD 0x085d -+#define TIME_CODE_LOAD BIT(10) -+#define SYNC_OUT_LOAD BIT(9) -+#define NCO_TIME_LOAD BIT(7) -+#define FREQ_LOAD BIT(6) -+#define INTR_MASK 0x085e -+#define INTR_STATUS 0x085f -+#define INTC_FSYNC BIT(0) -+#define INTC_SOP BIT(1) -+ -+#define NCO_FREQ_LSB 0x0873 -+#define NCO_FREQ_MSB 0x0874 -+ -+#define NCO_TIME_0 0x0875 -+#define NCO_TIME_1 0x0876 -+#define NCO_TIME_2_CTRL 0x0877 -+#define FREQ_MDIO_SEL BIT(14) -+ -+#define SYNC_OUT_0 0x0878 -+#define SYNC_OUT_1 0x0879 -+#define SYNC_OUT_2 0x087a -+ -+#define SYNC_IN_DIVIDER 0x087b -+ -+#define SYNOUT_TS_0 0x087c -+#define SYNOUT_TS_1 0x087d -+#define SYNOUT_TS_2 0x087e -+ -+#define NSE_CTRL 0x087f -+#define NSE_GMODE_EN GENMASK(15, 14) -+#define NSE_CAPTURE_EN BIT(13) -+#define NSE_INIT BIT(12) -+#define NSE_CPU_FRAMESYNC BIT(5) -+#define NSE_SYNC1_FRAMESYNC BIT(3) -+#define NSE_FRAMESYNC_MASK GENMASK(5, 2) -+#define NSE_PEROUT_EN BIT(1) -+#define NSE_ONESHOT_EN BIT(0) -+#define NSE_SYNC_OUT_MASK GENMASK(1, 0) -+ -+#define TS_READ_CTRL 0x0885 -+#define TS_READ_START BIT(0) -+#define TS_READ_END BIT(1) -+ -+#define HB_REG_0 0x0886 -+#define HB_REG_1 0x0887 -+#define HB_REG_2 0x0888 -+#define HB_REG_3 0x08ec -+#define HB_REG_4 0x08ed -+#define HB_STAT_CTRL 0x088e -+#define HB_READ_START BIT(10) -+#define HB_READ_END BIT(11) -+#define HB_READ_MASK GENMASK(11, 10) -+ -+#define TS_REG_0 0x0889 -+#define TS_REG_1 0x088a -+#define TS_REG_2 0x088b -+#define TS_REG_3 0x08c4 -+ -+#define TS_INFO_0 0x088c -+#define TS_INFO_1 0x088d -+ -+#define TIMECODE_CTRL 0x08c3 -+#define TX_TIMECODE_SEL GENMASK(7, 0) -+#define RX_TIMECODE_SEL GENMASK(15, 8) -+ -+#define TIME_SYNC 0x0ff5 -+#define TIME_SYNC_EN BIT(0) -+ -+struct bcm_ptp_private { -+ struct phy_device *phydev; -+ struct mii_timestamper mii_ts; -+ struct ptp_clock *ptp_clock; -+ struct ptp_clock_info ptp_info; -+ struct ptp_pin_desc pin; -+ struct mutex mutex; -+ struct sk_buff_head tx_queue; -+ int tx_type; -+ bool hwts_rx; -+ u16 nse_ctrl; -+ bool pin_active; -+ struct delayed_work pin_work; -+}; -+ -+struct bcm_ptp_skb_cb { -+ unsigned long timeout; -+ u16 seq_id; -+ u8 msgtype; -+ bool discard; -+}; -+ -+struct bcm_ptp_capture { -+ ktime_t hwtstamp; -+ u16 seq_id; -+ u8 msgtype; -+ bool tx_dir; -+}; -+ -+#define BCM_SKB_CB(skb) ((struct bcm_ptp_skb_cb *)(skb)->cb) -+#define SKB_TS_TIMEOUT 10 /* jiffies */ -+ -+#define BCM_MAX_PULSE_8NS ((1U << 9) - 1) -+#define BCM_MAX_PERIOD_8NS ((1U << 30) - 1) -+ -+#define BRCM_PHY_MODEL(phydev) \ -+ ((phydev)->drv->phy_id & (phydev)->drv->phy_id_mask) -+ -+static struct bcm_ptp_private *mii2priv(struct mii_timestamper *mii_ts) -+{ -+ return container_of(mii_ts, struct bcm_ptp_private, mii_ts); -+} -+ -+static struct bcm_ptp_private *ptp2priv(struct ptp_clock_info *info) -+{ -+ return container_of(info, struct bcm_ptp_private, ptp_info); -+} -+ -+static void bcm_ptp_get_framesync_ts(struct phy_device *phydev, -+ struct timespec64 *ts) -+{ -+ u16 hb[4]; -+ -+ bcm_phy_write_exp(phydev, HB_STAT_CTRL, HB_READ_START); -+ -+ hb[0] = bcm_phy_read_exp(phydev, HB_REG_0); -+ hb[1] = bcm_phy_read_exp(phydev, HB_REG_1); -+ hb[2] = bcm_phy_read_exp(phydev, HB_REG_2); -+ hb[3] = bcm_phy_read_exp(phydev, HB_REG_3); -+ -+ bcm_phy_write_exp(phydev, HB_STAT_CTRL, HB_READ_END); -+ bcm_phy_write_exp(phydev, HB_STAT_CTRL, 0); -+ -+ ts->tv_sec = (hb[3] << 16) | hb[2]; -+ ts->tv_nsec = (hb[1] << 16) | hb[0]; -+} -+ -+static u16 bcm_ptp_framesync_disable(struct phy_device *phydev, u16 orig_ctrl) -+{ -+ u16 ctrl = orig_ctrl & ~(NSE_FRAMESYNC_MASK | NSE_CAPTURE_EN); -+ -+ bcm_phy_write_exp(phydev, NSE_CTRL, ctrl); -+ -+ return ctrl; -+} -+ -+static void bcm_ptp_framesync_restore(struct phy_device *phydev, u16 orig_ctrl) -+{ -+ if (orig_ctrl & NSE_FRAMESYNC_MASK) -+ bcm_phy_write_exp(phydev, NSE_CTRL, orig_ctrl); -+} -+ -+static void bcm_ptp_framesync(struct phy_device *phydev, u16 ctrl) -+{ -+ /* trigger framesync - must have 0->1 transition. */ -+ bcm_phy_write_exp(phydev, NSE_CTRL, ctrl | NSE_CPU_FRAMESYNC); -+} -+ -+static int bcm_ptp_framesync_ts(struct phy_device *phydev, -+ struct ptp_system_timestamp *sts, -+ struct timespec64 *ts, -+ u16 orig_ctrl) -+{ -+ u16 ctrl, reg; -+ int i; -+ -+ ctrl = bcm_ptp_framesync_disable(phydev, orig_ctrl); -+ -+ ptp_read_system_prets(sts); -+ -+ /* trigger framesync + capture */ -+ bcm_ptp_framesync(phydev, ctrl | NSE_CAPTURE_EN); -+ -+ ptp_read_system_postts(sts); -+ -+ /* poll for FSYNC interrupt from TS capture */ -+ for (i = 0; i < 10; i++) { -+ reg = bcm_phy_read_exp(phydev, INTR_STATUS); -+ if (reg & INTC_FSYNC) { -+ bcm_ptp_get_framesync_ts(phydev, ts); -+ break; -+ } -+ } -+ -+ bcm_ptp_framesync_restore(phydev, orig_ctrl); -+ -+ return reg & INTC_FSYNC ? 0 : -ETIMEDOUT; -+} -+ -+static int bcm_ptp_gettimex(struct ptp_clock_info *info, -+ struct timespec64 *ts, -+ struct ptp_system_timestamp *sts) -+{ -+ struct bcm_ptp_private *priv = ptp2priv(info); -+ int err; -+ -+ mutex_lock(&priv->mutex); -+ err = bcm_ptp_framesync_ts(priv->phydev, sts, ts, priv->nse_ctrl); -+ mutex_unlock(&priv->mutex); -+ -+ return err; -+} -+ -+static int bcm_ptp_settime_locked(struct bcm_ptp_private *priv, -+ const struct timespec64 *ts) -+{ -+ struct phy_device *phydev = priv->phydev; -+ u16 ctrl; -+ u64 ns; -+ -+ ctrl = bcm_ptp_framesync_disable(phydev, priv->nse_ctrl); -+ -+ /* set up time code */ -+ bcm_phy_write_exp(phydev, TIME_CODE_0, ts->tv_nsec); -+ bcm_phy_write_exp(phydev, TIME_CODE_1, ts->tv_nsec >> 16); -+ bcm_phy_write_exp(phydev, TIME_CODE_2, ts->tv_sec); -+ bcm_phy_write_exp(phydev, TIME_CODE_3, ts->tv_sec >> 16); -+ bcm_phy_write_exp(phydev, TIME_CODE_4, ts->tv_sec >> 32); -+ -+ /* set NCO counter to match */ -+ ns = timespec64_to_ns(ts); -+ bcm_phy_write_exp(phydev, NCO_TIME_0, ns >> 4); -+ bcm_phy_write_exp(phydev, NCO_TIME_1, ns >> 20); -+ bcm_phy_write_exp(phydev, NCO_TIME_2_CTRL, (ns >> 36) & 0xfff); -+ -+ /* set up load on next frame sync (auto-clears due to NSE_INIT) */ -+ bcm_phy_write_exp(phydev, SHADOW_LOAD, TIME_CODE_LOAD | NCO_TIME_LOAD); -+ -+ /* must have NSE_INIT in order to write time code */ -+ bcm_ptp_framesync(phydev, ctrl | NSE_INIT); -+ -+ bcm_ptp_framesync_restore(phydev, priv->nse_ctrl); -+ -+ return 0; -+} -+ -+static int bcm_ptp_settime(struct ptp_clock_info *info, -+ const struct timespec64 *ts) -+{ -+ struct bcm_ptp_private *priv = ptp2priv(info); -+ int err; -+ -+ mutex_lock(&priv->mutex); -+ err = bcm_ptp_settime_locked(priv, ts); -+ mutex_unlock(&priv->mutex); -+ -+ return err; -+} -+ -+static int bcm_ptp_adjtime_locked(struct bcm_ptp_private *priv, -+ s64 delta_ns) -+{ -+ struct timespec64 ts; -+ int err; -+ s64 ns; -+ -+ err = bcm_ptp_framesync_ts(priv->phydev, NULL, &ts, priv->nse_ctrl); -+ if (!err) { -+ ns = timespec64_to_ns(&ts) + delta_ns; -+ ts = ns_to_timespec64(ns); -+ err = bcm_ptp_settime_locked(priv, &ts); -+ } -+ return err; -+} -+ -+static int bcm_ptp_adjtime(struct ptp_clock_info *info, s64 delta_ns) -+{ -+ struct bcm_ptp_private *priv = ptp2priv(info); -+ int err; -+ -+ mutex_lock(&priv->mutex); -+ err = bcm_ptp_adjtime_locked(priv, delta_ns); -+ mutex_unlock(&priv->mutex); -+ -+ return err; -+} -+ -+/* A 125Mhz clock should adjust 8ns per pulse. -+ * The frequency adjustment base is 0x8000 0000, or 8*2^28. -+ * -+ * Frequency adjustment is -+ * adj = scaled_ppm * 8*2^28 / (10^6 * 2^16) -+ * which simplifies to: -+ * adj = scaled_ppm * 2^9 / 5^6 -+ */ -+static int bcm_ptp_adjfine(struct ptp_clock_info *info, long scaled_ppm) -+{ -+ struct bcm_ptp_private *priv = ptp2priv(info); -+ int neg_adj = 0; -+ u32 diff, freq; -+ u16 ctrl; -+ u64 adj; -+ -+ if (scaled_ppm < 0) { -+ neg_adj = 1; -+ scaled_ppm = -scaled_ppm; -+ } -+ -+ adj = scaled_ppm << 9; -+ diff = div_u64(adj, 15625); -+ freq = (8 << 28) + (neg_adj ? -diff : diff); -+ -+ mutex_lock(&priv->mutex); -+ -+ ctrl = bcm_ptp_framesync_disable(priv->phydev, priv->nse_ctrl); -+ -+ bcm_phy_write_exp(priv->phydev, NCO_FREQ_LSB, freq); -+ bcm_phy_write_exp(priv->phydev, NCO_FREQ_MSB, freq >> 16); -+ -+ bcm_phy_write_exp(priv->phydev, NCO_TIME_2_CTRL, FREQ_MDIO_SEL); -+ -+ /* load on next framesync */ -+ bcm_phy_write_exp(priv->phydev, SHADOW_LOAD, FREQ_LOAD); -+ -+ bcm_ptp_framesync(priv->phydev, ctrl); -+ -+ /* clear load */ -+ bcm_phy_write_exp(priv->phydev, SHADOW_LOAD, 0); -+ -+ bcm_ptp_framesync_restore(priv->phydev, priv->nse_ctrl); -+ -+ mutex_unlock(&priv->mutex); -+ -+ return 0; -+} -+ -+static bool bcm_ptp_rxtstamp(struct mii_timestamper *mii_ts, -+ struct sk_buff *skb, int type) -+{ -+ struct bcm_ptp_private *priv = mii2priv(mii_ts); -+ struct skb_shared_hwtstamps *hwts; -+ struct ptp_header *header; -+ u32 sec, nsec; -+ u8 *data; -+ int off; -+ -+ if (!priv->hwts_rx) -+ return false; -+ -+ header = ptp_parse_header(skb, type); -+ if (!header) -+ return false; -+ -+ data = (u8 *)(header + 1); -+ sec = get_unaligned_be32(data); -+ nsec = get_unaligned_be32(data + 4); -+ -+ hwts = skb_hwtstamps(skb); -+ hwts->hwtstamp = ktime_set(sec, nsec); -+ -+ off = data - skb->data + 8; -+ if (off < skb->len) { -+ memmove(data, data + 8, skb->len - off); -+ __pskb_trim(skb, skb->len - 8); -+ } -+ -+ return false; -+} -+ -+static bool bcm_ptp_get_tstamp(struct bcm_ptp_private *priv, -+ struct bcm_ptp_capture *capts) -+{ -+ struct phy_device *phydev = priv->phydev; -+ u16 ts[4], reg; -+ u32 sec, nsec; -+ -+ mutex_lock(&priv->mutex); -+ -+ reg = bcm_phy_read_exp(phydev, INTR_STATUS); -+ if ((reg & INTC_SOP) == 0) { -+ mutex_unlock(&priv->mutex); -+ return false; -+ } -+ -+ bcm_phy_write_exp(phydev, TS_READ_CTRL, TS_READ_START); -+ -+ ts[0] = bcm_phy_read_exp(phydev, TS_REG_0); -+ ts[1] = bcm_phy_read_exp(phydev, TS_REG_1); -+ ts[2] = bcm_phy_read_exp(phydev, TS_REG_2); -+ ts[3] = bcm_phy_read_exp(phydev, TS_REG_3); -+ -+ /* not in be32 format for some reason */ -+ capts->seq_id = bcm_phy_read_exp(priv->phydev, TS_INFO_0); -+ -+ reg = bcm_phy_read_exp(phydev, TS_INFO_1); -+ capts->msgtype = reg >> 12; -+ capts->tx_dir = !!(reg & BIT(11)); -+ -+ bcm_phy_write_exp(phydev, TS_READ_CTRL, TS_READ_END); -+ bcm_phy_write_exp(phydev, TS_READ_CTRL, 0); -+ -+ mutex_unlock(&priv->mutex); -+ -+ sec = (ts[3] << 16) | ts[2]; -+ nsec = (ts[1] << 16) | ts[0]; -+ capts->hwtstamp = ktime_set(sec, nsec); -+ -+ return true; -+} -+ -+static void bcm_ptp_match_tstamp(struct bcm_ptp_private *priv, -+ struct bcm_ptp_capture *capts) -+{ -+ struct skb_shared_hwtstamps hwts; -+ struct sk_buff *skb, *ts_skb; -+ unsigned long flags; -+ bool first = false; -+ -+ ts_skb = NULL; -+ spin_lock_irqsave(&priv->tx_queue.lock, flags); -+ skb_queue_walk(&priv->tx_queue, skb) { -+ if (BCM_SKB_CB(skb)->seq_id == capts->seq_id && -+ BCM_SKB_CB(skb)->msgtype == capts->msgtype) { -+ first = skb_queue_is_first(&priv->tx_queue, skb); -+ __skb_unlink(skb, &priv->tx_queue); -+ ts_skb = skb; -+ break; -+ } -+ } -+ spin_unlock_irqrestore(&priv->tx_queue.lock, flags); -+ -+ /* TX captures one-step packets, discard them if needed. */ -+ if (ts_skb) { -+ if (BCM_SKB_CB(ts_skb)->discard) { -+ kfree_skb(ts_skb); -+ } else { -+ memset(&hwts, 0, sizeof(hwts)); -+ hwts.hwtstamp = capts->hwtstamp; -+ skb_complete_tx_timestamp(ts_skb, &hwts); -+ } -+ } -+ -+ /* not first match, try and expire entries */ -+ if (!first) { -+ while ((skb = skb_dequeue(&priv->tx_queue))) { -+ if (!time_after(jiffies, BCM_SKB_CB(skb)->timeout)) { -+ skb_queue_head(&priv->tx_queue, skb); -+ break; -+ } -+ kfree_skb(skb); -+ } -+ } -+} -+ -+static long bcm_ptp_do_aux_work(struct ptp_clock_info *info) -+{ -+ struct bcm_ptp_private *priv = ptp2priv(info); -+ struct bcm_ptp_capture capts; -+ bool reschedule = false; -+ -+ while (!skb_queue_empty_lockless(&priv->tx_queue)) { -+ if (!bcm_ptp_get_tstamp(priv, &capts)) { -+ reschedule = true; -+ break; -+ } -+ bcm_ptp_match_tstamp(priv, &capts); -+ } -+ -+ return reschedule ? 1 : -1; -+} -+ -+static int bcm_ptp_cancel_func(struct bcm_ptp_private *priv) -+{ -+ if (!priv->pin_active) -+ return 0; -+ -+ priv->pin_active = false; -+ -+ priv->nse_ctrl &= ~(NSE_SYNC_OUT_MASK | NSE_SYNC1_FRAMESYNC | -+ NSE_CAPTURE_EN); -+ bcm_phy_write_exp(priv->phydev, NSE_CTRL, priv->nse_ctrl); -+ -+ cancel_delayed_work_sync(&priv->pin_work); -+ -+ return 0; -+} -+ -+static void bcm_ptp_perout_work(struct work_struct *pin_work) -+{ -+ struct bcm_ptp_private *priv = -+ container_of(pin_work, struct bcm_ptp_private, pin_work.work); -+ struct phy_device *phydev = priv->phydev; -+ struct timespec64 ts; -+ u64 ns, next; -+ u16 ctrl; -+ -+ mutex_lock(&priv->mutex); -+ -+ /* no longer running */ -+ if (!priv->pin_active) { -+ mutex_unlock(&priv->mutex); -+ return; -+ } -+ -+ bcm_ptp_framesync_ts(phydev, NULL, &ts, priv->nse_ctrl); -+ -+ /* this is 1PPS only */ -+ next = NSEC_PER_SEC - ts.tv_nsec; -+ ts.tv_sec += next < NSEC_PER_MSEC ? 2 : 1; -+ ts.tv_nsec = 0; -+ -+ ns = timespec64_to_ns(&ts); -+ -+ /* force 0->1 transition for ONESHOT */ -+ ctrl = bcm_ptp_framesync_disable(phydev, -+ priv->nse_ctrl & ~NSE_ONESHOT_EN); -+ -+ bcm_phy_write_exp(phydev, SYNOUT_TS_0, ns & 0xfff0); -+ bcm_phy_write_exp(phydev, SYNOUT_TS_1, ns >> 16); -+ bcm_phy_write_exp(phydev, SYNOUT_TS_2, ns >> 32); -+ -+ /* load values on next framesync */ -+ bcm_phy_write_exp(phydev, SHADOW_LOAD, SYNC_OUT_LOAD); -+ -+ bcm_ptp_framesync(phydev, ctrl | NSE_ONESHOT_EN | NSE_INIT); -+ -+ priv->nse_ctrl |= NSE_ONESHOT_EN; -+ bcm_ptp_framesync_restore(phydev, priv->nse_ctrl); -+ -+ mutex_unlock(&priv->mutex); -+ -+ next = next + NSEC_PER_MSEC; -+ schedule_delayed_work(&priv->pin_work, nsecs_to_jiffies(next)); -+} -+ -+static int bcm_ptp_perout_locked(struct bcm_ptp_private *priv, -+ struct ptp_perout_request *req, int on) -+{ -+ struct phy_device *phydev = priv->phydev; -+ u64 period, pulse; -+ u16 val; -+ -+ if (!on) -+ return bcm_ptp_cancel_func(priv); -+ -+ /* 1PPS */ -+ if (req->period.sec != 1 || req->period.nsec != 0) -+ return -EINVAL; -+ -+ period = BCM_MAX_PERIOD_8NS; /* write nonzero value */ -+ -+ if (req->flags & PTP_PEROUT_PHASE) -+ return -EOPNOTSUPP; -+ -+ if (req->flags & PTP_PEROUT_DUTY_CYCLE) -+ pulse = ktime_to_ns(ktime_set(req->on.sec, req->on.nsec)); -+ else -+ pulse = (u64)BCM_MAX_PULSE_8NS << 3; -+ -+ /* convert to 8ns units */ -+ pulse >>= 3; -+ -+ if (!pulse || pulse > period || pulse > BCM_MAX_PULSE_8NS) -+ return -EINVAL; -+ -+ bcm_phy_write_exp(phydev, SYNC_OUT_0, period); -+ -+ val = ((pulse & 0x3) << 14) | ((period >> 16) & 0x3fff); -+ bcm_phy_write_exp(phydev, SYNC_OUT_1, val); -+ -+ val = ((pulse >> 2) & 0x7f) | (pulse << 7); -+ bcm_phy_write_exp(phydev, SYNC_OUT_2, val); -+ -+ if (priv->pin_active) -+ cancel_delayed_work_sync(&priv->pin_work); -+ -+ priv->pin_active = true; -+ INIT_DELAYED_WORK(&priv->pin_work, bcm_ptp_perout_work); -+ schedule_delayed_work(&priv->pin_work, 0); -+ -+ return 0; -+} -+ -+static void bcm_ptp_extts_work(struct work_struct *pin_work) -+{ -+ struct bcm_ptp_private *priv = -+ container_of(pin_work, struct bcm_ptp_private, pin_work.work); -+ struct phy_device *phydev = priv->phydev; -+ struct ptp_clock_event event; -+ struct timespec64 ts; -+ u16 reg; -+ -+ mutex_lock(&priv->mutex); -+ -+ /* no longer running */ -+ if (!priv->pin_active) { -+ mutex_unlock(&priv->mutex); -+ return; -+ } -+ -+ reg = bcm_phy_read_exp(phydev, INTR_STATUS); -+ if ((reg & INTC_FSYNC) == 0) -+ goto out; -+ -+ bcm_ptp_get_framesync_ts(phydev, &ts); -+ -+ event.index = 0; -+ event.type = PTP_CLOCK_EXTTS; -+ event.timestamp = timespec64_to_ns(&ts); -+ ptp_clock_event(priv->ptp_clock, &event); -+ -+out: -+ mutex_unlock(&priv->mutex); -+ schedule_delayed_work(&priv->pin_work, HZ / 4); -+} -+ -+static int bcm_ptp_extts_locked(struct bcm_ptp_private *priv, int on) -+{ -+ struct phy_device *phydev = priv->phydev; -+ -+ if (!on) -+ return bcm_ptp_cancel_func(priv); -+ -+ if (priv->pin_active) -+ cancel_delayed_work_sync(&priv->pin_work); -+ -+ bcm_ptp_framesync_disable(phydev, priv->nse_ctrl); -+ -+ priv->nse_ctrl |= NSE_SYNC1_FRAMESYNC | NSE_CAPTURE_EN; -+ -+ bcm_ptp_framesync_restore(phydev, priv->nse_ctrl); -+ -+ priv->pin_active = true; -+ INIT_DELAYED_WORK(&priv->pin_work, bcm_ptp_extts_work); -+ schedule_delayed_work(&priv->pin_work, 0); -+ -+ return 0; -+} -+ -+static int bcm_ptp_enable(struct ptp_clock_info *info, -+ struct ptp_clock_request *rq, int on) -+{ -+ struct bcm_ptp_private *priv = ptp2priv(info); -+ int err = -EBUSY; -+ -+ mutex_lock(&priv->mutex); -+ -+ switch (rq->type) { -+ case PTP_CLK_REQ_PEROUT: -+ if (priv->pin.func == PTP_PF_PEROUT) -+ err = bcm_ptp_perout_locked(priv, &rq->perout, on); -+ break; -+ case PTP_CLK_REQ_EXTTS: -+ if (priv->pin.func == PTP_PF_EXTTS) -+ err = bcm_ptp_extts_locked(priv, on); -+ break; -+ default: -+ err = -EOPNOTSUPP; -+ break; -+ } -+ -+ mutex_unlock(&priv->mutex); -+ -+ return err; -+} -+ -+static int bcm_ptp_verify(struct ptp_clock_info *info, unsigned int pin, -+ enum ptp_pin_function func, unsigned int chan) -+{ -+ switch (func) { -+ case PTP_PF_NONE: -+ case PTP_PF_EXTTS: -+ case PTP_PF_PEROUT: -+ break; -+ default: -+ return -EOPNOTSUPP; -+ } -+ return 0; -+} -+ -+static const struct ptp_clock_info bcm_ptp_clock_info = { -+ .owner = THIS_MODULE, -+ .name = KBUILD_MODNAME, -+ .max_adj = 100000000, -+ .gettimex64 = bcm_ptp_gettimex, -+ .settime64 = bcm_ptp_settime, -+ .adjtime = bcm_ptp_adjtime, -+ .adjfine = bcm_ptp_adjfine, -+ .enable = bcm_ptp_enable, -+ .verify = bcm_ptp_verify, -+ .do_aux_work = bcm_ptp_do_aux_work, -+ .n_pins = 1, -+ .n_per_out = 1, -+ .n_ext_ts = 1, -+}; -+ -+static void bcm_ptp_txtstamp(struct mii_timestamper *mii_ts, -+ struct sk_buff *skb, int type) -+{ -+ struct bcm_ptp_private *priv = mii2priv(mii_ts); -+ struct ptp_header *hdr; -+ bool discard = false; -+ int msgtype; -+ -+ hdr = ptp_parse_header(skb, type); -+ if (!hdr) -+ goto out; -+ msgtype = ptp_get_msgtype(hdr, type); -+ -+ switch (priv->tx_type) { -+ case HWTSTAMP_TX_ONESTEP_P2P: -+ if (msgtype == PTP_MSGTYPE_PDELAY_RESP) -+ discard = true; -+ fallthrough; -+ case HWTSTAMP_TX_ONESTEP_SYNC: -+ if (msgtype == PTP_MSGTYPE_SYNC) -+ discard = true; -+ fallthrough; -+ case HWTSTAMP_TX_ON: -+ BCM_SKB_CB(skb)->timeout = jiffies + SKB_TS_TIMEOUT; -+ BCM_SKB_CB(skb)->seq_id = be16_to_cpu(hdr->sequence_id); -+ BCM_SKB_CB(skb)->msgtype = msgtype; -+ BCM_SKB_CB(skb)->discard = discard; -+ skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; -+ skb_queue_tail(&priv->tx_queue, skb); -+ ptp_schedule_worker(priv->ptp_clock, 0); -+ return; -+ default: -+ break; -+ } -+ -+out: -+ kfree_skb(skb); -+} -+ -+static int bcm_ptp_hwtstamp(struct mii_timestamper *mii_ts, -+ struct ifreq *ifr) -+{ -+ struct bcm_ptp_private *priv = mii2priv(mii_ts); -+ struct hwtstamp_config cfg; -+ u16 mode, ctrl; -+ -+ if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg))) -+ return -EFAULT; -+ -+ switch (cfg.rx_filter) { -+ case HWTSTAMP_FILTER_NONE: -+ priv->hwts_rx = false; -+ break; -+ case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: -+ case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: -+ case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: -+ case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: -+ case HWTSTAMP_FILTER_PTP_V2_L2_SYNC: -+ case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ: -+ case HWTSTAMP_FILTER_PTP_V2_EVENT: -+ case HWTSTAMP_FILTER_PTP_V2_SYNC: -+ case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: -+ cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; -+ priv->hwts_rx = true; -+ break; -+ default: -+ return -ERANGE; -+ } -+ -+ priv->tx_type = cfg.tx_type; -+ -+ ctrl = priv->hwts_rx ? SLICE_RX_EN : 0; -+ ctrl |= priv->tx_type != HWTSTAMP_TX_OFF ? SLICE_TX_EN : 0; -+ -+ mode = TX_MODE_SEL(PORT, SYNC, REPLACE_TS) | -+ TX_MODE_SEL(PORT, DELAY_REQ, REPLACE_TS) | -+ TX_MODE_SEL(PORT, PDELAY_REQ, REPLACE_TS) | -+ TX_MODE_SEL(PORT, PDELAY_RESP, REPLACE_TS); -+ -+ bcm_phy_write_exp(priv->phydev, TX_EVENT_MODE, mode); -+ -+ mode = RX_MODE_SEL(PORT, SYNC, INSERT_TS_64) | -+ RX_MODE_SEL(PORT, DELAY_REQ, INSERT_TS_64) | -+ RX_MODE_SEL(PORT, PDELAY_REQ, INSERT_TS_64) | -+ RX_MODE_SEL(PORT, PDELAY_RESP, INSERT_TS_64); -+ -+ bcm_phy_write_exp(priv->phydev, RX_EVENT_MODE, mode); -+ -+ bcm_phy_write_exp(priv->phydev, SLICE_CTRL, ctrl); -+ -+ if (ctrl & SLICE_TX_EN) -+ bcm_phy_write_exp(priv->phydev, TX_TS_CAPTURE, TX_TS_CAP_EN); -+ else -+ ptp_cancel_worker_sync(priv->ptp_clock); -+ -+ /* purge existing data */ -+ skb_queue_purge(&priv->tx_queue); -+ -+ return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; -+} -+ -+static int bcm_ptp_ts_info(struct mii_timestamper *mii_ts, -+ struct ethtool_ts_info *ts_info) -+{ -+ struct bcm_ptp_private *priv = mii2priv(mii_ts); -+ -+ ts_info->phc_index = ptp_clock_index(priv->ptp_clock); -+ ts_info->so_timestamping = -+ SOF_TIMESTAMPING_TX_HARDWARE | -+ SOF_TIMESTAMPING_RX_HARDWARE | -+ SOF_TIMESTAMPING_RAW_HARDWARE; -+ ts_info->tx_types = -+ BIT(HWTSTAMP_TX_ON) | -+ BIT(HWTSTAMP_TX_OFF) | -+ BIT(HWTSTAMP_TX_ONESTEP_SYNC) | -+ BIT(HWTSTAMP_TX_ONESTEP_P2P); -+ ts_info->rx_filters = -+ BIT(HWTSTAMP_FILTER_NONE) | -+ BIT(HWTSTAMP_FILTER_PTP_V2_EVENT); -+ -+ return 0; -+} -+ -+void bcm_ptp_stop(struct bcm_ptp_private *priv) -+{ -+ ptp_cancel_worker_sync(priv->ptp_clock); -+ bcm_ptp_cancel_func(priv); -+} -+EXPORT_SYMBOL_GPL(bcm_ptp_stop); -+ -+void bcm_ptp_config_init(struct phy_device *phydev) -+{ -+ /* init network sync engine */ -+ bcm_phy_write_exp(phydev, NSE_CTRL, NSE_GMODE_EN | NSE_INIT); -+ -+ /* enable time sync (TX/RX SOP capture) */ -+ bcm_phy_write_exp(phydev, TIME_SYNC, TIME_SYNC_EN); -+ -+ /* use sec.nsec heartbeat capture */ -+ bcm_phy_write_exp(phydev, DPLL_SELECT, DPLL_HB_MODE2); -+ -+ /* use 64 bit timecode for TX */ -+ bcm_phy_write_exp(phydev, TIMECODE_CTRL, TX_TIMECODE_SEL); -+ -+ /* always allow FREQ_LOAD on framesync */ -+ bcm_phy_write_exp(phydev, SHADOW_CTRL, FREQ_LOAD); -+ -+ bcm_phy_write_exp(phydev, SYNC_IN_DIVIDER, 1); -+} -+EXPORT_SYMBOL_GPL(bcm_ptp_config_init); -+ -+static void bcm_ptp_init(struct bcm_ptp_private *priv) -+{ -+ priv->nse_ctrl = NSE_GMODE_EN; -+ -+ mutex_init(&priv->mutex); -+ skb_queue_head_init(&priv->tx_queue); -+ -+ priv->mii_ts.rxtstamp = bcm_ptp_rxtstamp; -+ priv->mii_ts.txtstamp = bcm_ptp_txtstamp; -+ priv->mii_ts.hwtstamp = bcm_ptp_hwtstamp; -+ priv->mii_ts.ts_info = bcm_ptp_ts_info; -+ -+ priv->phydev->mii_ts = &priv->mii_ts; -+} -+ -+struct bcm_ptp_private *bcm_ptp_probe(struct phy_device *phydev) -+{ -+ struct bcm_ptp_private *priv; -+ struct ptp_clock *clock; -+ -+ switch (BRCM_PHY_MODEL(phydev)) { -+ case PHY_ID_BCM54210E: -+ break; -+ default: -+ return NULL; -+ } -+ -+ priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL); -+ if (!priv) -+ return ERR_PTR(-ENOMEM); -+ -+ priv->ptp_info = bcm_ptp_clock_info; -+ -+ snprintf(priv->pin.name, sizeof(priv->pin.name), "SYNC_OUT"); -+ priv->ptp_info.pin_config = &priv->pin; -+ -+ clock = ptp_clock_register(&priv->ptp_info, &phydev->mdio.dev); -+ if (IS_ERR(clock)) -+ return ERR_CAST(clock); -+ priv->ptp_clock = clock; -+ -+ priv->phydev = phydev; -+ bcm_ptp_init(priv); -+ -+ return priv; -+} -+EXPORT_SYMBOL_GPL(bcm_ptp_probe); -+ -+MODULE_LICENSE("GPL"); -diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c -index e36809aa6d30..876bc45ede60 100644 ---- a/drivers/net/phy/broadcom.c -+++ b/drivers/net/phy/broadcom.c -@@ -27,6 +27,11 @@ MODULE_DESCRIPTION("Broadcom PHY driver"); - MODULE_AUTHOR("Maciej W. Rozycki"); - MODULE_LICENSE("GPL"); - -+struct bcm54xx_phy_priv { -+ u64 *stats; -+ struct bcm_ptp_private *ptp; -+}; -+ - static int bcm54xx_config_clock_delay(struct phy_device *phydev) - { - int rc, val; -@@ -313,6 +318,22 @@ static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev) - bcm_phy_write_shadow(phydev, BCM54XX_SHD_APD, val); - } - -+static void bcm54xx_ptp_stop(struct phy_device *phydev) -+{ -+ struct bcm54xx_phy_priv *priv = phydev->priv; -+ -+ if (priv->ptp) -+ bcm_ptp_stop(priv->ptp); -+} -+ -+static void bcm54xx_ptp_config_init(struct phy_device *phydev) -+{ -+ struct bcm54xx_phy_priv *priv = phydev->priv; -+ -+ if (priv->ptp) -+ bcm_ptp_config_init(phydev); -+} -+ - static int bcm54xx_config_init(struct phy_device *phydev) - { - int reg, err, val; -@@ -390,6 +411,8 @@ static int bcm54xx_config_init(struct phy_device *phydev) - bcm_phy_write_exp(phydev, BCM_EXP_MULTICOLOR, val); - } - -+ bcm54xx_ptp_config_init(phydev); -+ - return 0; - } - -@@ -418,6 +441,8 @@ static int bcm54xx_suspend(struct phy_device *phydev) - { - int ret; - -+ bcm54xx_ptp_stop(phydev); -+ - /* We cannot use a read/modify/write here otherwise the PHY gets into - * a bad state where its LEDs keep flashing, thus defeating the purpose - * of low power mode. -@@ -741,10 +766,6 @@ static irqreturn_t brcm_fet_handle_interrupt(struct phy_device *phydev) - return IRQ_HANDLED; - } - --struct bcm54xx_phy_priv { -- u64 *stats; --}; -- - static int bcm54xx_phy_probe(struct phy_device *phydev) - { - struct bcm54xx_phy_priv *priv; -@@ -761,6 +782,10 @@ static int bcm54xx_phy_probe(struct phy_device *phydev) - if (!priv->stats) - return -ENOMEM; - -+ priv->ptp = bcm_ptp_probe(phydev); -+ if (IS_ERR(priv->ptp)) -+ return PTR_ERR(priv->ptp); -+ - return 0; - } - -diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c -index 2e68f50bc7ae..00e1d5bc83a5 100644 ---- a/drivers/pci/quirks.c -+++ b/drivers/pci/quirks.c -@@ -4285,6 +4285,30 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9000, - DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9084, - quirk_bridge_cavm_thrx2_pcie_root); - -+/* -+ * PCI BAR 5 is not setup correctly for the on-board AHCI controller -+ * on Broadcom's Vulcan processor. Added a quirk to fix BAR 5 by -+ * using BAR 4's resources which are populated correctly and NOT -+ * actually used by the AHCI controller. -+ */ -+static void quirk_fix_vulcan_ahci_bars(struct pci_dev *dev) -+{ -+ struct resource *r = &dev->resource[4]; -+ -+ if (!(r->flags & IORESOURCE_MEM) || (r->start == 0)) -+ return; -+ -+ /* Set BAR5 resource to BAR4 */ -+ dev->resource[5] = *r; -+ -+ /* Update BAR5 in pci config space */ -+ pci_write_config_dword(dev, PCI_BASE_ADDRESS_5, r->start); -+ -+ /* Clear BAR4's resource */ -+ memset(r, 0, sizeof(*r)); -+} -+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9027, quirk_fix_vulcan_ahci_bars); -+ - /* - * Intersil/Techwell TW686[4589]-based video capture cards have an empty (zero) - * class code. Fix it. -diff --git a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c -index 5223d4c9afdf..39f14a5b78cd 100644 ---- a/drivers/phy/rockchip/phy-rockchip-inno-usb2.c -+++ b/drivers/phy/rockchip/phy-rockchip-inno-usb2.c -@@ -1124,7 +1124,7 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy, - struct rockchip_usb2phy_port *rport, - struct device_node *child_np) - { -- int ret; -+ int ret, id; - - rport->port_id = USB2PHY_PORT_OTG; - rport->port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_OTG]; -@@ -1162,13 +1162,15 @@ static int rockchip_usb2phy_otg_port_init(struct rockchip_usb2phy *rphy, - - ret = devm_extcon_register_notifier(rphy->dev, rphy->edev, - EXTCON_USB_HOST, &rport->event_nb); -- if (ret) -+ if (ret) { - dev_err(rphy->dev, "register USB HOST notifier failed\n"); -+ goto out; -+ } - - if (!of_property_read_bool(rphy->dev->of_node, "extcon")) { - /* do initial sync of usb state */ -- ret = property_enabled(rphy->grf, &rport->port_cfg->utmi_id); -- extcon_set_state_sync(rphy->edev, EXTCON_USB_HOST, !ret); -+ id = property_enabled(rphy->grf, &rport->port_cfg->utmi_id); -+ extcon_set_state_sync(rphy->edev, EXTCON_USB_HOST, !id); - } - } - -diff --git a/drivers/soc/bcm/bcm2835-power.c b/drivers/soc/bcm/bcm2835-power.c -index 1e0041ec8132..5bcd047768b6 100644 ---- a/drivers/soc/bcm/bcm2835-power.c -+++ b/drivers/soc/bcm/bcm2835-power.c -@@ -126,8 +126,7 @@ - - #define ASB_AXI_BRDG_ID 0x20 - --#define ASB_READ(reg) readl(power->asb + (reg)) --#define ASB_WRITE(reg, val) writel(PM_PASSWORD | (val), power->asb + (reg)) -+#define BCM2835_BRDG_ID 0x62726467 - - struct bcm2835_power_domain { - struct generic_pm_domain base; -@@ -142,24 +141,41 @@ struct bcm2835_power { - void __iomem *base; - /* AXI Async bridge registers. */ - void __iomem *asb; -+ /* RPiVid bridge registers. */ -+ void __iomem *rpivid_asb; - - struct genpd_onecell_data pd_xlate; - struct bcm2835_power_domain domains[BCM2835_POWER_DOMAIN_COUNT]; - struct reset_controller_dev reset; - }; - --static int bcm2835_asb_enable(struct bcm2835_power *power, u32 reg) -+static int bcm2835_asb_control(struct bcm2835_power *power, u32 reg, bool enable) - { -+ void __iomem *base = power->asb; - u64 start; -+ u32 val; - -- if (!reg) -+ switch (reg) { -+ case 0: - return 0; -+ case ASB_V3D_S_CTRL: -+ case ASB_V3D_M_CTRL: -+ if (power->rpivid_asb) -+ base = power->rpivid_asb; -+ break; -+ } - - start = ktime_get_ns(); - - /* Enable the module's async AXI bridges. */ -- ASB_WRITE(reg, ASB_READ(reg) & ~ASB_REQ_STOP); -- while (ASB_READ(reg) & ASB_ACK) { -+ if (enable) { -+ val = readl(base + reg) & ~ASB_REQ_STOP; -+ } else { -+ val = readl(base + reg) | ASB_REQ_STOP; -+ } -+ writel(PM_PASSWORD | val, base + reg); -+ -+ while (readl(base + reg) & ASB_ACK) { - cpu_relax(); - if (ktime_get_ns() - start >= 1000) - return -ETIMEDOUT; -@@ -168,30 +184,24 @@ static int bcm2835_asb_enable(struct bcm2835_power *power, u32 reg) - return 0; - } - --static int bcm2835_asb_disable(struct bcm2835_power *power, u32 reg) -+static int bcm2835_asb_enable(struct bcm2835_power *power, u32 reg) - { -- u64 start; -- -- if (!reg) -- return 0; -- -- start = ktime_get_ns(); -- -- /* Enable the module's async AXI bridges. */ -- ASB_WRITE(reg, ASB_READ(reg) | ASB_REQ_STOP); -- while (!(ASB_READ(reg) & ASB_ACK)) { -- cpu_relax(); -- if (ktime_get_ns() - start >= 1000) -- return -ETIMEDOUT; -- } -+ return bcm2835_asb_control(power, reg, true); -+} - -- return 0; -+static int bcm2835_asb_disable(struct bcm2835_power *power, u32 reg) -+{ -+ return bcm2835_asb_control(power, reg, false); - } - - static int bcm2835_power_power_off(struct bcm2835_power_domain *pd, u32 pm_reg) - { - struct bcm2835_power *power = pd->power; - -+ /* We don't run this on BCM2711 */ -+ if (power->rpivid_asb) -+ return 0; -+ - /* Enable functional isolation */ - PM_WRITE(pm_reg, PM_READ(pm_reg) & ~PM_ISFUNC); - -@@ -213,6 +223,10 @@ static int bcm2835_power_power_on(struct bcm2835_power_domain *pd, u32 pm_reg) - int inrush; - bool powok; - -+ /* We don't run this on BCM2711 */ -+ if (power->rpivid_asb) -+ return 0; -+ - /* If it was already powered on by the fw, leave it that way. */ - if (PM_READ(pm_reg) & PM_POWUP) - return 0; -@@ -626,13 +640,23 @@ static int bcm2835_power_probe(struct platform_device *pdev) - power->dev = dev; - power->base = pm->base; - power->asb = pm->asb; -+ power->rpivid_asb = pm->rpivid_asb; - -- id = ASB_READ(ASB_AXI_BRDG_ID); -- if (id != 0x62726467 /* "BRDG" */) { -+ id = readl(power->asb + ASB_AXI_BRDG_ID); -+ if (id != BCM2835_BRDG_ID /* "BRDG" */) { - dev_err(dev, "ASB register ID returned 0x%08x\n", id); - return -ENODEV; - } - -+ if (power->rpivid_asb) { -+ id = readl(power->rpivid_asb + ASB_AXI_BRDG_ID); -+ if (id != BCM2835_BRDG_ID /* "BRDG" */) { -+ dev_err(dev, "RPiVid ASB register ID returned 0x%08x\n", -+ id); -+ return -ENODEV; -+ } -+ } -+ - power->pd_xlate.domains = devm_kcalloc(dev, - ARRAY_SIZE(power_domain_names), - sizeof(*power->pd_xlate.domains), -diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c -index 80b29f937c60..8eaebd6a15b8 100644 ---- a/drivers/usb/core/hub.c -+++ b/drivers/usb/core/hub.c -@@ -5686,6 +5686,13 @@ static void hub_event(struct work_struct *work) - (u16) hub->change_bits[0], - (u16) hub->event_bits[0]); - -+ /* Don't disconnect USB-SATA on TrimSlice */ -+ if (strcmp(dev_name(hdev->bus->controller), "tegra-ehci.0") == 0) { -+ if ((hdev->state == 7) && (hub->change_bits[0] == 0) && -+ (hub->event_bits[0] == 0x2)) -+ hub->event_bits[0] = 0; -+ } -+ - /* Lock the device, then check to see if we were - * disconnected while waiting for the lock to succeed. */ - usb_lock_device(hdev); -diff --git a/include/linux/efi.h b/include/linux/efi.h -index 7d9b0bb47eb3..221776a5377a 100644 ---- a/include/linux/efi.h -+++ b/include/linux/efi.h -@@ -43,6 +43,8 @@ - #define EFI_ABORTED (21 | (1UL << (BITS_PER_LONG-1))) - #define EFI_SECURITY_VIOLATION (26 | (1UL << (BITS_PER_LONG-1))) - -+#define EFI_IS_ERROR(x) ((x) & (1UL << (BITS_PER_LONG-1))) -+ - typedef unsigned long efi_status_t; - typedef u8 efi_bool_t; - typedef u16 efi_char16_t; /* UNICODE character */ -@@ -849,6 +851,14 @@ extern int __init efi_setup_pcdp_console(char *); - #define EFI_MEM_ATTR 10 /* Did firmware publish an EFI_MEMORY_ATTRIBUTES table? */ - #define EFI_MEM_NO_SOFT_RESERVE 11 /* Is the kernel configured to ignore soft reservations? */ - #define EFI_PRESERVE_BS_REGIONS 12 /* Are EFI boot-services memory segments available? */ -+#define EFI_SECURE_BOOT 13 /* Are we in Secure Boot mode? */ -+ -+enum efi_secureboot_mode { -+ efi_secureboot_mode_unset, -+ efi_secureboot_mode_unknown, -+ efi_secureboot_mode_disabled, -+ efi_secureboot_mode_enabled, -+}; - - #ifdef CONFIG_EFI - /* -@@ -860,6 +870,8 @@ static inline bool efi_enabled(int feature) - } - extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused); - -+extern void __init efi_set_secure_boot(enum efi_secureboot_mode mode); -+ - bool __pure __efi_soft_reserve_enabled(void); - - static inline bool __pure efi_soft_reserve_enabled(void) -@@ -880,6 +892,8 @@ static inline bool efi_enabled(int feature) - static inline void - efi_reboot(enum reboot_mode reboot_mode, const char *__unused) {} - -+static inline void efi_set_secure_boot(enum efi_secureboot_mode mode) {} -+ - static inline bool efi_soft_reserve_enabled(void) - { - return false; -@@ -892,6 +906,7 @@ static inline bool efi_rt_services_supported(unsigned int mask) - #endif - - extern int efi_status_to_err(efi_status_t status); -+extern const char *efi_status_to_str(efi_status_t status); - - /* - * Variable Attributes -@@ -1144,13 +1159,6 @@ static inline bool efi_runtime_disabled(void) { return true; } - extern void efi_call_virt_check_flags(unsigned long flags, const char *call); - extern unsigned long efi_call_virt_save_flags(void); - --enum efi_secureboot_mode { -- efi_secureboot_mode_unset, -- efi_secureboot_mode_unknown, -- efi_secureboot_mode_disabled, -- efi_secureboot_mode_enabled, --}; -- - static inline - enum efi_secureboot_mode efi_get_secureboot_mode(efi_get_variable_t *get_var) - { -diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h -index 4e94755098f1..f97d4de2996f 100644 ---- a/include/linux/lsm_hook_defs.h -+++ b/include/linux/lsm_hook_defs.h -@@ -394,6 +394,8 @@ LSM_HOOK(void, LSM_RET_VOID, bpf_prog_free_security, struct bpf_prog_aux *aux) - #endif /* CONFIG_BPF_SYSCALL */ - - LSM_HOOK(int, 0, locked_down, enum lockdown_reason what) -+LSM_HOOK(int, 0, lock_kernel_down, const char *where, enum lockdown_reason level) -+ - - #ifdef CONFIG_PERF_EVENTS - LSM_HOOK(int, 0, perf_event_open, struct perf_event_attr *attr, int type) -diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h -index b681cfce6190..9cf4ac43050c 100644 ---- a/include/linux/lsm_hooks.h -+++ b/include/linux/lsm_hooks.h -@@ -1550,6 +1550,12 @@ - * - * @what: kernel feature being accessed - * -+ * @lock_kernel_down -+ * Put the kernel into lock-down mode. -+ * -+ * @where: Where the lock-down is originating from (e.g. command line option) -+ * @level: The lock-down level (can only increase) -+ * - * Security hooks for perf events - * - * @perf_event_open: -diff --git a/include/linux/mfd/bcm2835-pm.h b/include/linux/mfd/bcm2835-pm.h -index ed37dc40e82a..f70a810c55f7 100644 ---- a/include/linux/mfd/bcm2835-pm.h -+++ b/include/linux/mfd/bcm2835-pm.h -@@ -9,6 +9,7 @@ struct bcm2835_pm { - struct device *dev; - void __iomem *base; - void __iomem *asb; -+ void __iomem *rpivid_asb; - }; - - #endif /* BCM2835_MFD_PM_H */ -diff --git a/include/linux/rmi.h b/include/linux/rmi.h -index ab7eea01ab42..fff7c5f737fc 100644 ---- a/include/linux/rmi.h -+++ b/include/linux/rmi.h -@@ -364,6 +364,7 @@ struct rmi_driver_data { - - struct rmi4_attn_data attn_data; - DECLARE_KFIFO(attn_fifo, struct rmi4_attn_data, 16); -+ struct work_struct attn_work; - }; - - int rmi_register_transport_device(struct rmi_transport_dev *xport); -diff --git a/include/linux/security.h b/include/linux/security.h -index 3cc127bb5bfd..2fecdfb03eb5 100644 ---- a/include/linux/security.h -+++ b/include/linux/security.h -@@ -473,6 +473,7 @@ int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen); - int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen); - int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen); - int security_locked_down(enum lockdown_reason what); -+int security_lock_kernel_down(const char *where, enum lockdown_reason level); - #else /* CONFIG_SECURITY */ - - static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data) -@@ -1349,6 +1350,10 @@ static inline int security_locked_down(enum lockdown_reason what) - { - return 0; - } -+static inline int security_lock_kernel_down(const char *where, enum lockdown_reason level) -+{ -+ return 0; -+} - #endif /* CONFIG_SECURITY */ - - #if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE) -diff --git a/init/Kconfig b/init/Kconfig -index c7900e8975f1..ea721c12c251 100644 ---- a/init/Kconfig -+++ b/init/Kconfig -@@ -1678,7 +1678,7 @@ config AIO - this option saves about 7k. - - config IO_URING -- bool "Enable IO uring support" if EXPERT -+ bool "Enable IO uring support" - select IO_WQ - default y - help -diff --git a/kernel/module/signing.c b/kernel/module/signing.c -index a2ff4242e623..f0d2be1ee4f1 100644 ---- a/kernel/module/signing.c -+++ b/kernel/module/signing.c -@@ -61,10 +61,17 @@ int mod_verify_sig(const void *mod, struct load_info *info) - modlen -= sig_len + sizeof(ms); - info->len = modlen; - -- return verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len, -+ ret = verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len, - VERIFY_USE_SECONDARY_KEYRING, - VERIFYING_MODULE_SIGNATURE, - NULL, NULL); -+ if (ret == -ENOKEY && IS_ENABLED(CONFIG_INTEGRITY_PLATFORM_KEYRING)) { -+ ret = verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len, -+ VERIFY_USE_PLATFORM_KEYRING, -+ VERIFYING_MODULE_SIGNATURE, -+ NULL, NULL); -+ } -+ return ret; - } - - int module_sig_check(struct load_info *info, int flags) -diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c -index 81e5bcdbbe94..ff74e2a55e8f 100644 ---- a/net/bluetooth/hci_event.c -+++ b/net/bluetooth/hci_event.c -@@ -3999,6 +3999,26 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, void *data, - break; - } - } -+ if (i == ARRAY_SIZE(hci_cc_table)) { -+ /* Unknown opcode, assume byte 0 contains the status, so -+ * that e.g. __hci_cmd_sync() properly returns errors -+ * for vendor specific commands send by HCI drivers. -+ * -+ * Note that the specification does not specify that -+ * byte 0 is the status: -+ * -+ * BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 4, Part E -+ * page 2189: -+ * -+ * Return_Parameters: -+ * Size: Depends on command -+ * -+ * For now using byte 0 seems to work fine, but in the future -+ * this may need to be updated so that drivers using vendor -+ * commands can specify their own completion handler. -+ */ -+ *status = skb->data[0]; -+ } - - if (i == ARRAY_SIZE(hci_cc_table)) { - /* Unknown opcode, assume byte 0 contains the status, so -diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c -index db7b2503f068..36653cd5964a 100644 ---- a/net/ipv4/fib_semantics.c -+++ b/net/ipv4/fib_semantics.c -@@ -888,13 +888,13 @@ int fib_nh_match(struct net *net, struct fib_config *cfg, struct fib_info *fi, - return 1; - } - -+ /* cannot match on nexthop object attributes */ -+ if (fi->nh) -+ return 1; -+ - if (cfg->fc_oif || cfg->fc_gw_family) { - struct fib_nh *nh; - -- /* cannot match on nexthop object attributes */ -- if (fi->nh) -- return 1; -- - nh = fib_info_nh(fi, 0); - if (cfg->fc_encap) { - if (fib_encap_match(net, cfg->fc_encap_type, -diff --git a/scripts/pahole-flags.sh b/scripts/pahole-flags.sh -index 0d99ef17e4a5..d4f3d63cb434 100755 ---- a/scripts/pahole-flags.sh -+++ b/scripts/pahole-flags.sh -@@ -20,4 +20,8 @@ if [ "${pahole_ver}" -ge "122" ]; then - extra_paholeopt="${extra_paholeopt} -j" - fi - -+if [ "${pahole_ver}" -ge "124" ]; then -+ extra_paholeopt="${extra_paholeopt} --skip_encoding_btf_enum64" -+fi -+ - echo ${extra_paholeopt} -diff --git a/scripts/tags.sh b/scripts/tags.sh -index 01fab3d4f90b..2ae5dfc904f9 100755 ---- a/scripts/tags.sh -+++ b/scripts/tags.sh -@@ -16,6 +16,8 @@ fi - ignore="$(echo "$RCS_FIND_IGNORE" | sed 's|\\||g' )" - # tags and cscope files should also ignore MODVERSION *.mod.c files - ignore="$ignore ( -name *.mod.c ) -prune -o" -+# RHEL tags and cscope should also ignore redhat/rpm -+ignore="$ignore ( -path redhat/rpm ) -prune -o" - - # Use make KBUILD_ABS_SRCTREE=1 {tags|cscope} - # to force full paths for a non-O= build -diff --git a/security/integrity/platform_certs/load_uefi.c b/security/integrity/platform_certs/load_uefi.c -index b78753d27d8e..f0b37800431a 100644 ---- a/security/integrity/platform_certs/load_uefi.c -+++ b/security/integrity/platform_certs/load_uefi.c -@@ -73,7 +73,8 @@ static __init void *get_cert_list(efi_char16_t *name, efi_guid_t *guid, - return NULL; - - if (*status != EFI_BUFFER_TOO_SMALL) { -- pr_err("Couldn't get size: 0x%lx\n", *status); -+ pr_err("Couldn't get size: %s (0x%lx)\n", -+ efi_status_to_str(*status), *status); - return NULL; - } - -@@ -84,7 +85,8 @@ static __init void *get_cert_list(efi_char16_t *name, efi_guid_t *guid, - *status = efi.get_variable(name, guid, NULL, &lsize, db); - if (*status != EFI_SUCCESS) { - kfree(db); -- pr_err("Error reading db var: 0x%lx\n", *status); -+ pr_err("Error reading db var: %s (0x%lx)\n", -+ efi_status_to_str(*status), *status); - return NULL; - } - -diff --git a/security/lockdown/Kconfig b/security/lockdown/Kconfig -index e84ddf484010..d0501353a4b9 100644 ---- a/security/lockdown/Kconfig -+++ b/security/lockdown/Kconfig -@@ -16,6 +16,19 @@ config SECURITY_LOCKDOWN_LSM_EARLY - subsystem is fully initialised. If enabled, lockdown will - unconditionally be called before any other LSMs. - -+config LOCK_DOWN_IN_EFI_SECURE_BOOT -+ bool "Lock down the kernel in EFI Secure Boot mode" -+ default n -+ depends on EFI && SECURITY_LOCKDOWN_LSM_EARLY -+ help -+ UEFI Secure Boot provides a mechanism for ensuring that the firmware -+ will only load signed bootloaders and kernels. Secure boot mode may -+ be determined from EFI variables provided by the system firmware if -+ not indicated by the boot parameters. -+ -+ Enabling this option results in kernel lockdown being triggered if -+ EFI Secure Boot is set. -+ - choice - prompt "Kernel default lockdown mode" - default LOCK_DOWN_KERNEL_FORCE_NONE -diff --git a/security/lockdown/lockdown.c b/security/lockdown/lockdown.c -index 87cbdc64d272..18555cf18da7 100644 ---- a/security/lockdown/lockdown.c -+++ b/security/lockdown/lockdown.c -@@ -73,6 +73,7 @@ static int lockdown_is_locked_down(enum lockdown_reason what) - - static struct security_hook_list lockdown_hooks[] __lsm_ro_after_init = { - LSM_HOOK_INIT(locked_down, lockdown_is_locked_down), -+ LSM_HOOK_INIT(lock_kernel_down, lock_kernel_down), - }; - - static int __init lockdown_lsm_init(void) -diff --git a/security/security.c b/security/security.c -index 8b62654ff3f9..1c03d1cff35c 100644 ---- a/security/security.c -+++ b/security/security.c -@@ -2617,6 +2617,12 @@ int security_locked_down(enum lockdown_reason what) - } - EXPORT_SYMBOL(security_locked_down); - -+int security_lock_kernel_down(const char *where, enum lockdown_reason level) -+{ -+ return call_int_hook(lock_kernel_down, 0, where, level); -+} -+EXPORT_SYMBOL(security_lock_kernel_down); -+ - #ifdef CONFIG_PERF_EVENTS - int security_perf_event_open(struct perf_event_attr *attr, int type) - { -diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh -index d5a0dd548989..ee5e98204d3d 100755 ---- a/tools/testing/selftests/net/fib_nexthops.sh -+++ b/tools/testing/selftests/net/fib_nexthops.sh -@@ -1223,6 +1223,11 @@ ipv4_fcnal() - log_test $rc 0 "Delete nexthop route warning" - run_cmd "$IP route delete 172.16.101.1/32 nhid 12" - run_cmd "$IP nexthop del id 12" -+ -+ run_cmd "$IP nexthop add id 21 via 172.16.1.6 dev veth1" -+ run_cmd "$IP ro add 172.16.101.0/24 nhid 21" -+ run_cmd "$IP ro del 172.16.101.0/24 nexthop via 172.16.1.7 dev veth1 nexthop via 172.16.1.8 dev veth1" -+ log_test $? 2 "Delete multipath route with only nh id based entry" - } - - ipv4_grp_fcnal() |