From 903b33b6e65e8bca72e765e131b7fe3cb4ae50c6 Mon Sep 17 00:00:00 2001 From: Jan200101 Date: Fri, 4 Jun 2021 20:40:47 +0200 Subject: kernel 5.12.9 --- SOURCES/OpenRGB.patch | 715 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 715 insertions(+) create mode 100644 SOURCES/OpenRGB.patch (limited to 'SOURCES/OpenRGB.patch') diff --git a/SOURCES/OpenRGB.patch b/SOURCES/OpenRGB.patch new file mode 100644 index 0000000..5a140ad --- /dev/null +++ b/SOURCES/OpenRGB.patch @@ -0,0 +1,715 @@ +diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig +index 2ddca08f8a76..72647850f08e 100644 +--- a/drivers/i2c/busses/Kconfig ++++ b/drivers/i2c/busses/Kconfig +@@ -217,6 +217,15 @@ config I2C_CHT_WC + combined with a FUSB302 Type-C port-controller as such it is advised + to also select CONFIG_TYPEC_FUSB302=m. + ++config I2C_NCT6775 ++ tristate "Nuvoton NCT6775 and compatible SMBus controller" ++ help ++ If you say yes to this option, support will be included for the ++ Nuvoton NCT6775 and compatible SMBus controllers. ++ ++ This driver can also be built as a module. If so, the module ++ will be called i2c-nct6775. ++ + config I2C_NFORCE2 + tristate "Nvidia nForce2, nForce3 and nForce4" + depends on PCI +diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile +index 25d60889713c..3c2a9b237ac6 100644 +--- a/drivers/i2c/busses/Makefile ++++ b/drivers/i2c/busses/Makefile +@@ -17,6 +17,7 @@ obj-$(CONFIG_I2C_CHT_WC) += i2c-cht-wc.o + obj-$(CONFIG_I2C_I801) += i2c-i801.o + obj-$(CONFIG_I2C_ISCH) += i2c-isch.o + obj-$(CONFIG_I2C_ISMT) += i2c-ismt.o ++obj-$(CONFIG_I2C_NCT6775) += i2c-nct6775.o + obj-$(CONFIG_I2C_NFORCE2) += i2c-nforce2.o + obj-$(CONFIG_I2C_NFORCE2_S4985) += i2c-nforce2-s4985.o + obj-$(CONFIG_I2C_NVIDIA_GPU) += i2c-nvidia-gpu.o +diff --git a/drivers/i2c/busses/i2c-nct6775.c b/drivers/i2c/busses/i2c-nct6775.c +new file mode 100644 +index 000000000000..0462f0952043 +--- /dev/null ++++ b/drivers/i2c/busses/i2c-nct6775.c +@@ -0,0 +1,647 @@ ++/* ++ * i2c-nct6775 - Driver for the SMBus master functionality of ++ * Nuvoton NCT677x Super-I/O chips ++ * ++ * Copyright (C) 2019 Adam Honse ++ * ++ * Derived from nct6775 hwmon driver ++ * Copyright (C) 2012 Guenter Roeck ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or ++ * (at your option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. ++ * ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#define DRVNAME "i2c-nct6775" ++ ++/* Nuvoton SMBus address offsets */ ++#define SMBHSTDAT (0 + nuvoton_nct6793d_smba) ++#define SMBBLKSZ (1 + nuvoton_nct6793d_smba) ++#define SMBHSTCMD (2 + nuvoton_nct6793d_smba) ++#define SMBHSTIDX (3 + nuvoton_nct6793d_smba) //Index field is the Command field on other controllers ++#define SMBHSTCTL (4 + nuvoton_nct6793d_smba) ++#define SMBHSTADD (5 + nuvoton_nct6793d_smba) ++#define SMBHSTERR (9 + nuvoton_nct6793d_smba) ++#define SMBHSTSTS (0xE + nuvoton_nct6793d_smba) ++ ++/* Command register */ ++#define NCT6793D_READ_BYTE 0 ++#define NCT6793D_READ_WORD 1 ++#define NCT6793D_READ_BLOCK 2 ++#define NCT6793D_BLOCK_WRITE_READ_PROC_CALL 3 ++#define NCT6793D_PROC_CALL 4 ++#define NCT6793D_WRITE_BYTE 8 ++#define NCT6793D_WRITE_WORD 9 ++#define NCT6793D_WRITE_BLOCK 10 ++ ++/* Control register */ ++#define NCT6793D_MANUAL_START 128 ++#define NCT6793D_SOFT_RESET 64 ++ ++/* Error register */ ++#define NCT6793D_NO_ACK 32 ++ ++/* Status register */ ++#define NCT6793D_FIFO_EMPTY 1 ++#define NCT6793D_FIFO_FULL 2 ++#define NCT6793D_MANUAL_ACTIVE 4 ++ ++#define NCT6775_LD_SMBUS 0x0B ++ ++/* Other settings */ ++#define MAX_RETRIES 400 ++ ++enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791, nct6792, nct6793, ++ nct6795, nct6796, nct6798 }; ++ ++struct nct6775_sio_data { ++ int sioreg; ++ enum kinds kind; ++}; ++ ++/* used to set data->name = nct6775_device_names[data->sio_kind] */ ++static const char * const nct6775_device_names[] = { ++ "nct6106", ++ "nct6775", ++ "nct6776", ++ "nct6779", ++ "nct6791", ++ "nct6792", ++ "nct6793", ++ "nct6795", ++ "nct6796", ++ "nct6798", ++}; ++ ++static const char * const nct6775_sio_names[] __initconst = { ++ "NCT6106D", ++ "NCT6775F", ++ "NCT6776D/F", ++ "NCT6779D", ++ "NCT6791D", ++ "NCT6792D", ++ "NCT6793D", ++ "NCT6795D", ++ "NCT6796D", ++ "NCT6798D", ++}; ++ ++#define SIO_REG_LDSEL 0x07 /* Logical device select */ ++#define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ ++#define SIO_REG_SMBA 0x62 /* SMBus base address register */ ++ ++#define SIO_NCT6106_ID 0xc450 ++#define SIO_NCT6775_ID 0xb470 ++#define SIO_NCT6776_ID 0xc330 ++#define SIO_NCT6779_ID 0xc560 ++#define SIO_NCT6791_ID 0xc800 ++#define SIO_NCT6792_ID 0xc910 ++#define SIO_NCT6793_ID 0xd120 ++#define SIO_NCT6795_ID 0xd350 ++#define SIO_NCT6796_ID 0xd420 ++#define SIO_NCT6798_ID 0xd428 ++#define SIO_ID_MASK 0xFFF0 ++ ++static inline void ++superio_outb(int ioreg, int reg, int val) ++{ ++ outb(reg, ioreg); ++ outb(val, ioreg + 1); ++} ++ ++static inline int ++superio_inb(int ioreg, int reg) ++{ ++ outb(reg, ioreg); ++ return inb(ioreg + 1); ++} ++ ++static inline void ++superio_select(int ioreg, int ld) ++{ ++ outb(SIO_REG_LDSEL, ioreg); ++ outb(ld, ioreg + 1); ++} ++ ++static inline int ++superio_enter(int ioreg) ++{ ++ /* ++ * Try to reserve and for exclusive access. ++ */ ++ if (!request_muxed_region(ioreg, 2, DRVNAME)) ++ return -EBUSY; ++ ++ outb(0x87, ioreg); ++ outb(0x87, ioreg); ++ ++ return 0; ++} ++ ++static inline void ++superio_exit(int ioreg) ++{ ++ outb(0xaa, ioreg); ++ outb(0x02, ioreg); ++ outb(0x02, ioreg + 1); ++ release_region(ioreg, 2); ++} ++ ++/* ++ * ISA constants ++ */ ++ ++#define IOREGION_ALIGNMENT (~7) ++#define IOREGION_LENGTH 2 ++#define ADDR_REG_OFFSET 0 ++#define DATA_REG_OFFSET 1 ++ ++#define NCT6775_REG_BANK 0x4E ++#define NCT6775_REG_CONFIG 0x40 ++ ++static struct i2c_adapter *nct6775_adapter; ++ ++struct i2c_nct6775_adapdata { ++ unsigned short smba; ++}; ++ ++/* Return negative errno on error. */ ++static s32 nct6775_access(struct i2c_adapter * adap, u16 addr, ++ unsigned short flags, char read_write, ++ u8 command, int size, union i2c_smbus_data * data) ++{ ++ struct i2c_nct6775_adapdata *adapdata = i2c_get_adapdata(adap); ++ unsigned short nuvoton_nct6793d_smba = adapdata->smba; ++ int i, len, cnt; ++ union i2c_smbus_data tmp_data; ++ int timeout = 0; ++ ++ tmp_data.word = 0; ++ cnt = 0; ++ len = 0; ++ ++ outb_p(NCT6793D_SOFT_RESET, SMBHSTCTL); ++ ++ switch (size) { ++ case I2C_SMBUS_QUICK: ++ outb_p((addr << 1) | read_write, ++ SMBHSTADD); ++ break; ++ case I2C_SMBUS_BYTE_DATA: ++ tmp_data.byte = data->byte; ++ case I2C_SMBUS_BYTE: ++ outb_p((addr << 1) | read_write, ++ SMBHSTADD); ++ outb_p(command, SMBHSTIDX); ++ if (read_write == I2C_SMBUS_WRITE) { ++ outb_p(tmp_data.byte, SMBHSTDAT); ++ outb_p(NCT6793D_WRITE_BYTE, SMBHSTCMD); ++ } ++ else { ++ outb_p(NCT6793D_READ_BYTE, SMBHSTCMD); ++ } ++ break; ++ case I2C_SMBUS_WORD_DATA: ++ outb_p((addr << 1) | read_write, ++ SMBHSTADD); ++ outb_p(command, SMBHSTIDX); ++ if (read_write == I2C_SMBUS_WRITE) { ++ outb_p(data->word & 0xff, SMBHSTDAT); ++ outb_p((data->word & 0xff00) >> 8, SMBHSTDAT); ++ outb_p(NCT6793D_WRITE_WORD, SMBHSTCMD); ++ } ++ else { ++ outb_p(NCT6793D_READ_WORD, SMBHSTCMD); ++ } ++ break; ++ case I2C_SMBUS_BLOCK_DATA: ++ outb_p((addr << 1) | read_write, ++ SMBHSTADD); ++ outb_p(command, SMBHSTIDX); ++ if (read_write == I2C_SMBUS_WRITE) { ++ len = data->block[0]; ++ if (len == 0 || len > I2C_SMBUS_BLOCK_MAX) ++ return -EINVAL; ++ outb_p(len, SMBBLKSZ); ++ ++ cnt = 1; ++ if (len >= 4) { ++ for (i = cnt; i <= 4; i++) { ++ outb_p(data->block[i], SMBHSTDAT); ++ } ++ ++ len -= 4; ++ cnt += 4; ++ } ++ else { ++ for (i = cnt; i <= len; i++ ) { ++ outb_p(data->block[i], SMBHSTDAT); ++ } ++ ++ len = 0; ++ } ++ ++ outb_p(NCT6793D_WRITE_BLOCK, SMBHSTCMD); ++ } ++ else { ++ return -ENOTSUPP; ++ } ++ break; ++ default: ++ dev_warn(&adap->dev, "Unsupported transaction %d\n", size); ++ return -EOPNOTSUPP; ++ } ++ ++ outb_p(NCT6793D_MANUAL_START, SMBHSTCTL); ++ ++ while ((size == I2C_SMBUS_BLOCK_DATA) && (len > 0)) { ++ if (read_write == I2C_SMBUS_WRITE) { ++ timeout = 0; ++ while ((inb_p(SMBHSTSTS) & NCT6793D_FIFO_EMPTY) == 0) ++ { ++ if(timeout > MAX_RETRIES) ++ { ++ return -ETIMEDOUT; ++ } ++ usleep_range(250, 500); ++ timeout++; ++ } ++ ++ //Load more bytes into FIFO ++ if (len >= 4) { ++ for (i = cnt; i <= (cnt + 4); i++) { ++ outb_p(data->block[i], SMBHSTDAT); ++ } ++ ++ len -= 4; ++ cnt += 4; ++ } ++ else { ++ for (i = cnt; i <= (cnt + len); i++) { ++ outb_p(data->block[i], SMBHSTDAT); ++ } ++ ++ len = 0; ++ } ++ } ++ else { ++ return -ENOTSUPP; ++ } ++ ++ } ++ ++ //wait for manual mode to complete ++ timeout = 0; ++ while ((inb_p(SMBHSTSTS) & NCT6793D_MANUAL_ACTIVE) != 0) ++ { ++ if(timeout > MAX_RETRIES) ++ { ++ return -ETIMEDOUT; ++ } ++ usleep_range(250, 500); ++ timeout++; ++ } ++ ++ if ((inb_p(SMBHSTERR) & NCT6793D_NO_ACK) != 0) { ++ return -ENXIO; ++ } ++ else if ((read_write == I2C_SMBUS_WRITE) || (size == I2C_SMBUS_QUICK)) { ++ return 0; ++ } ++ ++ switch (size) { ++ case I2C_SMBUS_QUICK: ++ case I2C_SMBUS_BYTE_DATA: ++ data->byte = inb_p(SMBHSTDAT); ++ break; ++ case I2C_SMBUS_WORD_DATA: ++ data->word = inb_p(SMBHSTDAT) + (inb_p(SMBHSTDAT) << 8); ++ break; ++ } ++ return 0; ++} ++ ++static u32 nct6775_func(struct i2c_adapter *adapter) ++{ ++ return I2C_FUNC_SMBUS_QUICK | I2C_FUNC_SMBUS_BYTE | ++ I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA | ++ I2C_FUNC_SMBUS_BLOCK_DATA; ++} ++ ++static const struct i2c_algorithm smbus_algorithm = { ++ .smbus_xfer = nct6775_access, ++ .functionality = nct6775_func, ++}; ++ ++static int nct6775_add_adapter(unsigned short smba, const char *name, struct i2c_adapter **padap) ++{ ++ struct i2c_adapter *adap; ++ struct i2c_nct6775_adapdata *adapdata; ++ int retval; ++ ++ adap = kzalloc(sizeof(*adap), GFP_KERNEL); ++ if (adap == NULL) { ++ return -ENOMEM; ++ } ++ ++ adap->owner = THIS_MODULE; ++ adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD; ++ adap->algo = &smbus_algorithm; ++ ++ adapdata = kzalloc(sizeof(*adapdata), GFP_KERNEL); ++ if (adapdata == NULL) { ++ kfree(adap); ++ return -ENOMEM; ++ } ++ ++ adapdata->smba = smba; ++ ++ snprintf(adap->name, sizeof(adap->name), ++ "SMBus NCT67xx adapter%s at %04x", name, smba); ++ ++ i2c_set_adapdata(adap, adapdata); ++ ++ retval = i2c_add_adapter(adap); ++ if (retval) { ++ kfree(adapdata); ++ kfree(adap); ++ return retval; ++ } ++ ++ *padap = adap; ++ return 0; ++} ++ ++static void nct6775_remove_adapter(struct i2c_adapter *adap) ++{ ++ struct i2c_nct6775_adapdata *adapdata = i2c_get_adapdata(adap); ++ ++ if (adapdata->smba) { ++ i2c_del_adapter(adap); ++ kfree(adapdata); ++ kfree(adap); ++ } ++} ++ ++//static SIMPLE_DEV_PM_OPS(nct6775_dev_pm_ops, nct6775_suspend, nct6775_resume); ++ ++/* ++ * when Super-I/O functions move to a separate file, the Super-I/O ++ * bus will manage the lifetime of the device and this module will only keep ++ * track of the nct6775 driver. But since we use platform_device_alloc(), we ++ * must keep track of the device ++ */ ++static struct platform_device *pdev[2]; ++ ++static int nct6775_probe(struct platform_device *pdev) ++{ ++ struct device *dev = &pdev->dev; ++ struct nct6775_sio_data *sio_data = dev_get_platdata(dev); ++ struct resource *res; ++ ++ res = platform_get_resource(pdev, IORESOURCE_IO, 0); ++ if (!devm_request_region(&pdev->dev, res->start, IOREGION_LENGTH, ++ DRVNAME)) ++ return -EBUSY; ++ ++ switch (sio_data->kind) { ++ case nct6791: ++ case nct6792: ++ case nct6793: ++ case nct6795: ++ case nct6796: ++ case nct6798: ++ nct6775_add_adapter(res->start, "", &nct6775_adapter); ++ break; ++ default: ++ return -ENODEV; ++ } ++ ++ return 0; ++} ++/* ++static void nct6791_enable_io_mapping(int sioaddr) ++{ ++ int val; ++ ++ val = superio_inb(sioaddr, NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE); ++ if (val & 0x10) { ++ pr_info("Enabling hardware monitor logical device mappings.\n"); ++ superio_outb(sioaddr, NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE, ++ val & ~0x10); ++ } ++}*/ ++ ++static struct platform_driver i2c_nct6775_driver = { ++ .driver = { ++ .name = DRVNAME, ++// .pm = &nct6775_dev_pm_ops, ++ }, ++ .probe = nct6775_probe, ++}; ++ ++static void __exit i2c_nct6775_exit(void) ++{ ++ int i; ++ ++ if(nct6775_adapter) ++ nct6775_remove_adapter(nct6775_adapter); ++ ++ for (i = 0; i < ARRAY_SIZE(pdev); i++) { ++ if (pdev[i]) ++ platform_device_unregister(pdev[i]); ++ } ++ platform_driver_unregister(&i2c_nct6775_driver); ++} ++ ++/* nct6775_find() looks for a '627 in the Super-I/O config space */ ++static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data) ++{ ++ u16 val; ++ int err; ++ int addr; ++ ++ err = superio_enter(sioaddr); ++ if (err) ++ return err; ++ ++ val = (superio_inb(sioaddr, SIO_REG_DEVID) << 8) | ++ superio_inb(sioaddr, SIO_REG_DEVID + 1); ++ ++ switch (val & SIO_ID_MASK) { ++ case SIO_NCT6106_ID: ++ sio_data->kind = nct6106; ++ break; ++ case SIO_NCT6775_ID: ++ sio_data->kind = nct6775; ++ break; ++ case SIO_NCT6776_ID: ++ sio_data->kind = nct6776; ++ break; ++ case SIO_NCT6779_ID: ++ sio_data->kind = nct6779; ++ break; ++ case SIO_NCT6791_ID: ++ sio_data->kind = nct6791; ++ break; ++ case SIO_NCT6792_ID: ++ sio_data->kind = nct6792; ++ break; ++ case SIO_NCT6793_ID: ++ sio_data->kind = nct6793; ++ break; ++ case SIO_NCT6795_ID: ++ sio_data->kind = nct6795; ++ break; ++ case SIO_NCT6796_ID: ++ sio_data->kind = nct6796; ++ break; ++ case SIO_NCT6798_ID: ++ sio_data->kind = nct6798; ++ break; ++ default: ++ if (val != 0xffff) ++ pr_debug("unsupported chip ID: 0x%04x\n", val); ++ superio_exit(sioaddr); ++ return -ENODEV; ++ } ++ ++ /* We have a known chip, find the SMBus I/O address */ ++ superio_select(sioaddr, NCT6775_LD_SMBUS); ++ val = (superio_inb(sioaddr, SIO_REG_SMBA) << 8) ++ | superio_inb(sioaddr, SIO_REG_SMBA + 1); ++ addr = val & IOREGION_ALIGNMENT; ++ if (addr == 0) { ++ pr_err("Refusing to enable a Super-I/O device with a base I/O port 0\n"); ++ superio_exit(sioaddr); ++ return -ENODEV; ++ } ++ ++ //if (sio_data->kind == nct6791 || sio_data->kind == nct6792 || ++ // sio_data->kind == nct6793 || sio_data->kind == nct6795 || ++ // sio_data->kind == nct6796) ++ // nct6791_enable_io_mapping(sioaddr); ++ ++ superio_exit(sioaddr); ++ pr_info("Found %s or compatible chip at %#x:%#x\n", ++ nct6775_sio_names[sio_data->kind], sioaddr, addr); ++ sio_data->sioreg = sioaddr; ++ ++ return addr; ++} ++ ++static int __init i2c_nct6775_init(void) ++{ ++ int i, err; ++ bool found = false; ++ int address; ++ struct resource res; ++ struct nct6775_sio_data sio_data; ++ int sioaddr[2] = { 0x2e, 0x4e }; ++ ++ err = platform_driver_register(&i2c_nct6775_driver); ++ if (err) ++ return err; ++ ++ /* ++ * initialize sio_data->kind and sio_data->sioreg. ++ * ++ * when Super-I/O functions move to a separate file, the Super-I/O ++ * driver will probe 0x2e and 0x4e and auto-detect the presence of a ++ * nct6775 hardware monitor, and call probe() ++ */ ++ for (i = 0; i < ARRAY_SIZE(pdev); i++) { ++ address = nct6775_find(sioaddr[i], &sio_data); ++ if (address <= 0) ++ continue; ++ ++ found = true; ++ ++ pdev[i] = platform_device_alloc(DRVNAME, address); ++ if (!pdev[i]) { ++ err = -ENOMEM; ++ goto exit_device_unregister; ++ } ++ ++ err = platform_device_add_data(pdev[i], &sio_data, ++ sizeof(struct nct6775_sio_data)); ++ if (err) ++ goto exit_device_put; ++ ++ memset(&res, 0, sizeof(res)); ++ res.name = DRVNAME; ++ res.start = address; ++ res.end = address + IOREGION_LENGTH - 1; ++ res.flags = IORESOURCE_IO; ++ ++ err = acpi_check_resource_conflict(&res); ++ if (err) { ++ platform_device_put(pdev[i]); ++ pdev[i] = NULL; ++ continue; ++ } ++ ++ err = platform_device_add_resources(pdev[i], &res, 1); ++ if (err) ++ goto exit_device_put; ++ ++ /* platform_device_add calls probe() */ ++ err = platform_device_add(pdev[i]); ++ if (err) ++ goto exit_device_put; ++ } ++ if (!found) { ++ err = -ENODEV; ++ goto exit_unregister; ++ } ++ ++ return 0; ++ ++exit_device_put: ++ platform_device_put(pdev[i]); ++exit_device_unregister: ++ while (--i >= 0) { ++ if (pdev[i]) ++ platform_device_unregister(pdev[i]); ++ } ++exit_unregister: ++ platform_driver_unregister(&i2c_nct6775_driver); ++ return err; ++} ++ ++MODULE_AUTHOR("Adam Honse "); ++MODULE_DESCRIPTION("SMBus driver for NCT6775F and compatible chips"); ++MODULE_LICENSE("GPL"); ++ ++module_init(i2c_nct6775_init); ++module_exit(i2c_nct6775_exit); +diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c +index 30ded6422e7b..e25ce84c26af 100644 +--- a/drivers/i2c/busses/i2c-piix4.c ++++ b/drivers/i2c/busses/i2c-piix4.c +@@ -467,11 +467,11 @@ static int piix4_transaction(struct i2c_adapter *piix4_adapter) + if (srvrworks_csb5_delay) /* Extra delay for SERVERWORKS_CSB5 */ + usleep_range(2000, 2100); + else +- usleep_range(250, 500); ++ usleep_range(25, 50); + + while ((++timeout < MAX_TIMEOUT) && + ((temp = inb_p(SMBHSTSTS)) & 0x01)) +- usleep_range(250, 500); ++ usleep_range(25, 50); + + /* If the SMBus is still busy, we give up */ + if (timeout == MAX_TIMEOUT) { +@@ -981,6 +981,11 @@ static int piix4_probe(struct pci_dev *dev, const struct pci_device_id *id) + retval = piix4_setup_sb800(dev, id, 1); + } + ++ if (dev->vendor == PCI_VENDOR_ID_AMD && ++ dev->device == PCI_DEVICE_ID_AMD_KERNCZ_SMBUS) { ++ retval = piix4_setup_sb800(dev, id, 1); ++ } ++ + if (retval > 0) { + /* Try to add the aux adapter if it exists, + * piix4_add_adapter will clean up if this fails */ -- cgit v1.2.3