diff options
Diffstat (limited to 'SOURCES/0001-USB-pci-quirks-Add-Raspberry-Pi-4-quirk.patch')
| -rw-r--r-- | SOURCES/0001-USB-pci-quirks-Add-Raspberry-Pi-4-quirk.patch | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/SOURCES/0001-USB-pci-quirks-Add-Raspberry-Pi-4-quirk.patch b/SOURCES/0001-USB-pci-quirks-Add-Raspberry-Pi-4-quirk.patch deleted file mode 100644 index 7f13ec1..0000000 --- a/SOURCES/0001-USB-pci-quirks-Add-Raspberry-Pi-4-quirk.patch +++ /dev/null @@ -1,72 +0,0 @@ -From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 -From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> -Date: Tue, 10 Mar 2020 13:52:42 +0100 -Subject: [PATCH] USB: pci-quirks: Add Raspberry Pi 4 quirk - -On the Raspberry Pi 4, after a PCI reset, VL805's firmware may either be -loaded directly from an EEPROM or, if not present, by the SoC's -VideCore. Inform VideCore that VL805 was just reset. - -Also, as this creates a dependency between XHCI_PCI and VideoCore's -firmware interface, reflect that on the firmware interface Kconfg. - -Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> ---- - drivers/firmware/Kconfig | 1 + - drivers/usb/host/pci-quirks.c | 16 ++++++++++++++++ - 2 files changed, 17 insertions(+) - -diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig -index 8007d4aa76dc..7ca346d3d337 100644 ---- a/drivers/firmware/Kconfig -+++ b/drivers/firmware/Kconfig -@@ -180,6 +180,7 @@ config ISCSI_IBFT - config RASPBERRYPI_FIRMWARE - tristate "Raspberry Pi Firmware Driver" - depends on BCM2835_MBOX -+ default XHCI_PCI - help - This option enables support for communicating with the firmware on the - Raspberry Pi. -diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c -index beb2efa71341..0dc34668bb2a 100644 ---- a/drivers/usb/host/pci-quirks.c -+++ b/drivers/usb/host/pci-quirks.c -@@ -16,6 +16,9 @@ - #include <linux/export.h> - #include <linux/acpi.h> - #include <linux/dmi.h> -+ -+#include <soc/bcm2835/raspberrypi-firmware.h> -+ - #include "pci-quirks.h" - #include "xhci-ext-caps.h" - -@@ -1243,11 +1246,24 @@ static void quirk_usb_handoff_xhci(struct pci_dev *pdev) - - static void quirk_usb_early_handoff(struct pci_dev *pdev) - { -+ int ret; -+ - /* Skip Netlogic mips SoC's internal PCI USB controller. - * This device does not need/support EHCI/OHCI handoff - */ - if (pdev->vendor == 0x184e) /* vendor Netlogic */ - return; -+ -+ if (pdev->vendor == PCI_VENDOR_ID_VIA && pdev->device == 0x3483) { -+ ret = rpi_firmware_init_vl805(pdev); -+ if (ret) { -+ /* Firmware might be outdated, or something failed */ -+ dev_warn(&pdev->dev, -+ "Failed to load VL805's firmware: %d. Will continue to attempt to work, but bad things might happen. You should fix this...\n", -+ ret); -+ } -+ } -+ - if (pdev->class != PCI_CLASS_SERIAL_USB_UHCI && - pdev->class != PCI_CLASS_SERIAL_USB_OHCI && - pdev->class != PCI_CLASS_SERIAL_USB_EHCI && --- -2.26.2 - |