Re: [PATCH] arm: remove it8152 PCI controller driver

From: Mike Rapoport
Date: Mon Jul 13 2020 - 13:08:39 EST

Any comments?

Shall I put it into the patch system or will it go via arm-soc tree?

On Wed, Jul 08, 2020 at 09:30:59PM +0300, Mike Rapoport wrote:
> From: Mike Rapoport <rppt@xxxxxxxxxxxxx>
>
> The it8152 PCI host controller was only used by cm-x2xx platforms.
> Since these platforms were removed, there is no point to keep it8152
> driver.
>
> Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
> ---
> arch/arm/Kconfig | 6 -
> arch/arm/common/Makefile | 1 -
> arch/arm/common/it8152.c | 352 -------------------------
> arch/arm/include/asm/hardware/it8152.h | 116 --------
> arch/arm/kernel/bios32.c | 17 --
> 5 files changed, 492 deletions(-)
> delete mode 100644 arch/arm/common/it8152.c
> delete mode 100644 arch/arm/include/asm/hardware/it8152.h
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 2ac74904a3ce..fa1d1f36937a 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -1148,12 +1148,6 @@ config PCI_NANOENGINE
> help
> Enable PCI on the BSE nanoEngine board.
>
> -config PCI_HOST_ITE8152
> - bool
> - depends on PCI && MACH_ARMCORE
> - default y
> - select DMABOUNCE
> -
> config ARM_ERRATA_814220
> bool "ARM errata: Cache maintenance by set/way operations can execute out of order"
> depends on CPU_V7
> diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile
> index 219a260bbe5f..8cd574be94cf 100644
> --- a/arch/arm/common/Makefile
> +++ b/arch/arm/common/Makefile
> @@ -12,7 +12,6 @@ obj-$(CONFIG_SHARP_LOCOMO) += locomo.o
> obj-$(CONFIG_SHARP_PARAM) += sharpsl_param.o
> obj-$(CONFIG_SHARP_SCOOP) += scoop.o
> obj-$(CONFIG_CPU_V7) += secure_cntvoff.o
> -obj-$(CONFIG_PCI_HOST_ITE8152) += it8152.o
> obj-$(CONFIG_MCPM) += mcpm_head.o mcpm_entry.o mcpm_platsmp.o vlock.o
> CFLAGS_REMOVE_mcpm_entry.o = -pg
> AFLAGS_mcpm_head.o := -march=armv7-a
> diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c
> deleted file mode 100644
> index 9ec740cac469..000000000000
> --- a/arch/arm/common/it8152.c
> +++ /dev/null
> @@ -1,352 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0-only
> -/*
> - * linux/arch/arm/common/it8152.c
> - *
> - * Copyright Compulab Ltd, 2002-2007
> - * Mike Rapoport <mike@xxxxxxxxxxxxxx>
> - *
> - * The DMA bouncing part is taken from arch/arm/mach-ixp4xx/common-pci.c
> - * (see this file for respective copyrights)
> - *
> - * Thanks to Guennadi Liakhovetski <gl@xxxxxxxxx> for IRQ enumberation
> - * and demux code.
> - */
> -
> -#include <linux/sched.h>
> -#include <linux/kernel.h>
> -#include <linux/pci.h>
> -#include <linux/ptrace.h>
> -#include <linux/interrupt.h>
> -#include <linux/mm.h>
> -#include <linux/init.h>
> -#include <linux/ioport.h>
> -#include <linux/irq.h>
> -#include <linux/io.h>
> -#include <linux/export.h>
> -
> -#include <asm/mach/pci.h>
> -#include <asm/hardware/it8152.h>
> -
> -#define MAX_SLOTS 21
> -
> -static void it8152_mask_irq(struct irq_data *d)
> -{
> - unsigned int irq = d->irq;
> -
> - if (irq >= IT8152_LD_IRQ(0)) {
> - __raw_writel((__raw_readl(IT8152_INTC_LDCNIMR) |
> - (1 << (irq - IT8152_LD_IRQ(0)))),
> - IT8152_INTC_LDCNIMR);
> - } else if (irq >= IT8152_LP_IRQ(0)) {
> - __raw_writel((__raw_readl(IT8152_INTC_LPCNIMR) |
> - (1 << (irq - IT8152_LP_IRQ(0)))),
> - IT8152_INTC_LPCNIMR);
> - } else if (irq >= IT8152_PD_IRQ(0)) {
> - __raw_writel((__raw_readl(IT8152_INTC_PDCNIMR) |
> - (1 << (irq - IT8152_PD_IRQ(0)))),
> - IT8152_INTC_PDCNIMR);
> - }
> -}
> -
> -static void it8152_unmask_irq(struct irq_data *d)
> -{
> - unsigned int irq = d->irq;
> -
> - if (irq >= IT8152_LD_IRQ(0)) {
> - __raw_writel((__raw_readl(IT8152_INTC_LDCNIMR) &
> - ~(1 << (irq - IT8152_LD_IRQ(0)))),
> - IT8152_INTC_LDCNIMR);
> - } else if (irq >= IT8152_LP_IRQ(0)) {
> - __raw_writel((__raw_readl(IT8152_INTC_LPCNIMR) &
> - ~(1 << (irq - IT8152_LP_IRQ(0)))),
> - IT8152_INTC_LPCNIMR);
> - } else if (irq >= IT8152_PD_IRQ(0)) {
> - __raw_writel((__raw_readl(IT8152_INTC_PDCNIMR) &
> - ~(1 << (irq - IT8152_PD_IRQ(0)))),
> - IT8152_INTC_PDCNIMR);
> - }
> -}
> -
> -static struct irq_chip it8152_irq_chip = {
> - .name = "it8152",
> - .irq_ack = it8152_mask_irq,
> - .irq_mask = it8152_mask_irq,
> - .irq_unmask = it8152_unmask_irq,
> -};
> -
> -void it8152_init_irq(void)
> -{
> - int irq;
> -
> - __raw_writel((0xffff), IT8152_INTC_PDCNIMR);
> - __raw_writel((0), IT8152_INTC_PDCNIRR);
> - __raw_writel((0xffff), IT8152_INTC_LPCNIMR);
> - __raw_writel((0), IT8152_INTC_LPCNIRR);
> - __raw_writel((0xffff), IT8152_INTC_LDCNIMR);
> - __raw_writel((0), IT8152_INTC_LDCNIRR);
> -
> - for (irq = IT8152_IRQ(0); irq <= IT8152_LAST_IRQ; irq++) {
> - irq_set_chip_and_handler(irq, &it8152_irq_chip,
> - handle_level_irq);
> - irq_clear_status_flags(irq, IRQ_NOREQUEST | IRQ_NOPROBE);
> - }
> -}
> -
> -void it8152_irq_demux(struct irq_desc *desc)
> -{
> - int bits_pd, bits_lp, bits_ld;
> - int i;
> -
> - while (1) {
> - /* Read all */
> - bits_pd = __raw_readl(IT8152_INTC_PDCNIRR);
> - bits_lp = __raw_readl(IT8152_INTC_LPCNIRR);
> - bits_ld = __raw_readl(IT8152_INTC_LDCNIRR);
> -
> - /* Ack */
> - __raw_writel((~bits_pd), IT8152_INTC_PDCNIRR);
> - __raw_writel((~bits_lp), IT8152_INTC_LPCNIRR);
> - __raw_writel((~bits_ld), IT8152_INTC_LDCNIRR);
> -
> - if (!(bits_ld | bits_lp | bits_pd)) {
> - /* Re-read to guarantee, that there was a moment of
> - time, when they all three were 0. */
> - bits_pd = __raw_readl(IT8152_INTC_PDCNIRR);
> - bits_lp = __raw_readl(IT8152_INTC_LPCNIRR);
> - bits_ld = __raw_readl(IT8152_INTC_LDCNIRR);
> - if (!(bits_ld | bits_lp | bits_pd))
> - return;
> - }
> -
> - bits_pd &= ((1 << IT8152_PD_IRQ_COUNT) - 1);
> - while (bits_pd) {
> - i = __ffs(bits_pd);
> - generic_handle_irq(IT8152_PD_IRQ(i));
> - bits_pd &= ~(1 << i);
> - }
> -
> - bits_lp &= ((1 << IT8152_LP_IRQ_COUNT) - 1);
> - while (bits_lp) {
> - i = __ffs(bits_lp);
> - generic_handle_irq(IT8152_LP_IRQ(i));
> - bits_lp &= ~(1 << i);
> - }
> -
> - bits_ld &= ((1 << IT8152_LD_IRQ_COUNT) - 1);
> - while (bits_ld) {
> - i = __ffs(bits_ld);
> - generic_handle_irq(IT8152_LD_IRQ(i));
> - bits_ld &= ~(1 << i);
> - }
> - }
> -}
> -
> -/* mapping for on-chip devices */
> -int __init it8152_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
> -{
> - if ((dev->vendor == PCI_VENDOR_ID_ITE) &&
> - (dev->device == PCI_DEVICE_ID_ITE_8152)) {
> - if ((dev->class >> 8) == PCI_CLASS_MULTIMEDIA_AUDIO)
> - return IT8152_AUDIO_INT;
> - if ((dev->class >> 8) == PCI_CLASS_SERIAL_USB)
> - return IT8152_USB_INT;
> - if ((dev->class >> 8) == PCI_CLASS_SYSTEM_DMA)
> - return IT8152_CDMA_INT;
> - }
> -
> - return 0;
> -}
> -
> -static unsigned long it8152_pci_dev_base_address(struct pci_bus *bus,
> - unsigned int devfn)
> -{
> - unsigned long addr = 0;
> -
> - if (bus->number == 0) {
> - if (devfn < PCI_DEVFN(MAX_SLOTS, 0))
> - addr = (devfn << 8);
> - } else
> - addr = (bus->number << 16) | (devfn << 8);
> -
> - return addr;
> -}
> -
> -static int it8152_pci_read_config(struct pci_bus *bus,
> - unsigned int devfn, int where,
> - int size, u32 *value)
> -{
> - unsigned long addr = it8152_pci_dev_base_address(bus, devfn);
> - u32 v;
> - int shift;
> -
> - shift = (where & 3);
> -
> - __raw_writel((addr + where), IT8152_PCI_CFG_ADDR);
> - v = (__raw_readl(IT8152_PCI_CFG_DATA) >> (8 * (shift)));
> -
> - *value = v;
> -
> - return PCIBIOS_SUCCESSFUL;
> -}
> -
> -static int it8152_pci_write_config(struct pci_bus *bus,
> - unsigned int devfn, int where,
> - int size, u32 value)
> -{
> - unsigned long addr = it8152_pci_dev_base_address(bus, devfn);
> - u32 v, vtemp, mask = 0;
> - int shift;
> -
> - if (size == 1)
> - mask = 0xff;
> - if (size == 2)
> - mask = 0xffff;
> -
> - shift = (where & 3);
> -
> - __raw_writel((addr + where), IT8152_PCI_CFG_ADDR);
> - vtemp = __raw_readl(IT8152_PCI_CFG_DATA);
> -
> - if (mask)
> - vtemp &= ~(mask << (8 * shift));
> - else
> - vtemp = 0;
> -
> - v = (value << (8 * shift));
> - __raw_writel((addr + where), IT8152_PCI_CFG_ADDR);
> - __raw_writel((v | vtemp), IT8152_PCI_CFG_DATA);
> -
> - return PCIBIOS_SUCCESSFUL;
> -}
> -
> -struct pci_ops it8152_ops = {
> - .read = it8152_pci_read_config,
> - .write = it8152_pci_write_config,
> -};
> -
> -static struct resource it8152_io = {
> - .name = "IT8152 PCI I/O region",
> - .flags = IORESOURCE_IO,
> -};
> -
> -static struct resource it8152_mem = {
> - .name = "IT8152 PCI memory region",
> - .start = 0x10000000,
> - .end = 0x13e00000,
> - .flags = IORESOURCE_MEM,
> -};
> -
> -/*
> - * The following functions are needed for DMA bouncing.
> - * ITE8152 chip can address up to 64MByte, so all the devices
> - * connected to ITE8152 (PCI and USB) should have limited DMA window
> - */
> -static int it8152_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)
> -{
> - dev_dbg(dev, "%s: dma_addr %08x, size %08x\n",
> - __func__, dma_addr, size);
> - return (dma_addr + size - PHYS_OFFSET) >= SZ_64M;
> -}
> -
> -/*
> - * Setup DMA mask to 64MB on devices connected to ITE8152. Ignore all
> - * other devices.
> - */
> -static int it8152_pci_platform_notify(struct device *dev)
> -{
> - if (dev_is_pci(dev)) {
> - if (dev->dma_mask)
> - *dev->dma_mask = (SZ_64M - 1) | PHYS_OFFSET;
> - dev->coherent_dma_mask = (SZ_64M - 1) | PHYS_OFFSET;
> - dmabounce_register_dev(dev, 2048, 4096, it8152_needs_bounce);
> - }
> - return 0;
> -}
> -
> -static int it8152_pci_platform_notify_remove(struct device *dev)
> -{
> - if (dev_is_pci(dev))
> - dmabounce_unregister_dev(dev);
> -
> - return 0;
> -}
> -
> -int dma_set_coherent_mask(struct device *dev, u64 mask)
> -{
> - if (mask >= PHYS_OFFSET + SZ_64M - 1)
> - return 0;
> -
> - return -EIO;
> -}
> -
> -int __init it8152_pci_setup(int nr, struct pci_sys_data *sys)
> -{
> - /*
> - * FIXME: use pci_ioremap_io to remap the IO space here and
> - * move over to the generic io.h implementation.
> - * This requires solving the same problem for PXA PCMCIA
> - * support.
> - */
> - it8152_io.start = (unsigned long)IT8152_IO_BASE + 0x12000;
> - it8152_io.end = (unsigned long)IT8152_IO_BASE + 0x12000 + 0x100000;
> -
> - sys->mem_offset = 0x10000000;
> - sys->io_offset = (unsigned long)IT8152_IO_BASE;
> -
> - if (request_resource(&ioport_resource, &it8152_io)) {
> - printk(KERN_ERR "PCI: unable to allocate IO region\n");
> - goto err0;
> - }
> - if (request_resource(&iomem_resource, &it8152_mem)) {
> - printk(KERN_ERR "PCI: unable to allocate memory region\n");
> - goto err1;
> - }
> -
> - pci_add_resource_offset(&sys->resources, &it8152_io, sys->io_offset);
> - pci_add_resource_offset(&sys->resources, &it8152_mem, sys->mem_offset);
> -
> - if (platform_notify || platform_notify_remove) {
> - printk(KERN_ERR "PCI: Can't use platform_notify\n");
> - goto err2;
> - }
> -
> - platform_notify = it8152_pci_platform_notify;
> - platform_notify_remove = it8152_pci_platform_notify_remove;
> -
> - return 1;
> -
> -err2:
> - release_resource(&it8152_io);
> -err1:
> - release_resource(&it8152_mem);
> -err0:
> - return -EBUSY;
> -}
> -
> -/* ITE bridge requires setting latency timer to avoid early bus access
> - termination by PCI bus master devices
> -*/
> -void pcibios_set_master(struct pci_dev *dev)
> -{
> - u8 lat;
> -
> - /* no need to update on-chip OHCI controller */
> - if ((dev->vendor == PCI_VENDOR_ID_ITE) &&
> - (dev->device == PCI_DEVICE_ID_ITE_8152) &&
> - ((dev->class >> 8) == PCI_CLASS_SERIAL_USB))
> - return;
> -
> - pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
> - if (lat < 16)
> - lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency;
> - else if (lat > pcibios_max_latency)
> - lat = pcibios_max_latency;
> - else
> - return;
> - printk(KERN_DEBUG "PCI: Setting latency timer of device %s to %d\n",
> - pci_name(dev), lat);
> - pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat);
> -}
> -
> -
> -EXPORT_SYMBOL(dma_set_coherent_mask);
> diff --git a/arch/arm/include/asm/hardware/it8152.h b/arch/arm/include/asm/hardware/it8152.h
> deleted file mode 100644
> index e175c2384f28..000000000000
> --- a/arch/arm/include/asm/hardware/it8152.h
> +++ /dev/null
> @@ -1,116 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * linux/include/arm/hardware/it8152.h
> - *
> - * Copyright Compulab Ltd., 2006,2007
> - * Mike Rapoport <mike@xxxxxxxxxxxxxx>
> - *
> - * ITE 8152 companion chip register definitions
> - */
> -
> -#ifndef __ASM_HARDWARE_IT8152_H
> -#define __ASM_HARDWARE_IT8152_H
> -
> -#include <mach/irqs.h>
> -
> -extern void __iomem *it8152_base_address;
> -
> -#define IT8152_IO_BASE (it8152_base_address + 0x03e00000)
> -#define IT8152_CFGREG_BASE (it8152_base_address + 0x03f00000)
> -
> -#define __REG_IT8152(x) (it8152_base_address + (x))
> -
> -#define IT8152_PCI_CFG_ADDR __REG_IT8152(0x3f00800)
> -#define IT8152_PCI_CFG_DATA __REG_IT8152(0x3f00804)
> -
> -#define IT8152_INTC_LDCNIRR __REG_IT8152(0x3f00300)
> -#define IT8152_INTC_LDPNIRR __REG_IT8152(0x3f00304)
> -#define IT8152_INTC_LDCNIMR __REG_IT8152(0x3f00308)
> -#define IT8152_INTC_LDPNIMR __REG_IT8152(0x3f0030C)
> -#define IT8152_INTC_LDNITR __REG_IT8152(0x3f00310)
> -#define IT8152_INTC_LDNIAR __REG_IT8152(0x3f00314)
> -#define IT8152_INTC_LPCNIRR __REG_IT8152(0x3f00320)
> -#define IT8152_INTC_LPPNIRR __REG_IT8152(0x3f00324)
> -#define IT8152_INTC_LPCNIMR __REG_IT8152(0x3f00328)
> -#define IT8152_INTC_LPPNIMR __REG_IT8152(0x3f0032C)
> -#define IT8152_INTC_LPNITR __REG_IT8152(0x3f00330)
> -#define IT8152_INTC_LPNIAR __REG_IT8152(0x3f00334)
> -#define IT8152_INTC_PDCNIRR __REG_IT8152(0x3f00340)
> -#define IT8152_INTC_PDPNIRR __REG_IT8152(0x3f00344)
> -#define IT8152_INTC_PDCNIMR __REG_IT8152(0x3f00348)
> -#define IT8152_INTC_PDPNIMR __REG_IT8152(0x3f0034C)
> -#define IT8152_INTC_PDNITR __REG_IT8152(0x3f00350)
> -#define IT8152_INTC_PDNIAR __REG_IT8152(0x3f00354)
> -#define IT8152_INTC_INTC_TYPER __REG_IT8152(0x3f003FC)
> -
> -#define IT8152_GPIO_GPDR __REG_IT8152(0x3f00500)
> -
> -/*
> - Interrupt controller per register summary:
> - ---------------------------------------
> - LCDNIRR:
> - IT8152_LD_IRQ(8) PCICLK stop
> - IT8152_LD_IRQ(7) MCLK ready
> - IT8152_LD_IRQ(6) s/w
> - IT8152_LD_IRQ(5) UART
> - IT8152_LD_IRQ(4) GPIO
> - IT8152_LD_IRQ(3) TIMER 4
> - IT8152_LD_IRQ(2) TIMER 3
> - IT8152_LD_IRQ(1) TIMER 2
> - IT8152_LD_IRQ(0) TIMER 1
> -
> - LPCNIRR:
> - IT8152_LP_IRQ(x) serial IRQ x
> -
> - PCIDNIRR:
> - IT8152_PD_IRQ(14) PCISERR
> - IT8152_PD_IRQ(13) CPU/PCI bridge target abort (h2pTADR)
> - IT8152_PD_IRQ(12) CPU/PCI bridge master abort (h2pMADR)
> - IT8152_PD_IRQ(11) PCI INTD
> - IT8152_PD_IRQ(10) PCI INTC
> - IT8152_PD_IRQ(9) PCI INTB
> - IT8152_PD_IRQ(8) PCI INTA
> - IT8152_PD_IRQ(7) serial INTD
> - IT8152_PD_IRQ(6) serial INTC
> - IT8152_PD_IRQ(5) serial INTB
> - IT8152_PD_IRQ(4) serial INTA
> - IT8152_PD_IRQ(3) serial IRQ IOCHK (IOCHKR)
> - IT8152_PD_IRQ(2) chaining DMA (CDMAR)
> - IT8152_PD_IRQ(1) USB (USBR)
> - IT8152_PD_IRQ(0) Audio controller (ACR)
> - */
> -#define IT8152_IRQ(x) (IRQ_BOARD_START + (x))
> -#define IT8152_LAST_IRQ (IRQ_BOARD_START + 40)
> -
> -/* IRQ-sources in 3 groups - local devices, LPC (serial), and external PCI */
> -#define IT8152_LD_IRQ_COUNT 9
> -#define IT8152_LP_IRQ_COUNT 16
> -#define IT8152_PD_IRQ_COUNT 15
> -
> -/* Priorities: */
> -#define IT8152_PD_IRQ(i) IT8152_IRQ(i)
> -#define IT8152_LP_IRQ(i) (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT)
> -#define IT8152_LD_IRQ(i) (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT + IT8152_LP_IRQ_COUNT)
> -
> -/* frequently used interrupts */
> -#define IT8152_PCISERR IT8152_PD_IRQ(14)
> -#define IT8152_H2PTADR IT8152_PD_IRQ(13)
> -#define IT8152_H2PMAR IT8152_PD_IRQ(12)
> -#define IT8152_PCI_INTD IT8152_PD_IRQ(11)
> -#define IT8152_PCI_INTC IT8152_PD_IRQ(10)
> -#define IT8152_PCI_INTB IT8152_PD_IRQ(9)
> -#define IT8152_PCI_INTA IT8152_PD_IRQ(8)
> -#define IT8152_CDMA_INT IT8152_PD_IRQ(2)
> -#define IT8152_USB_INT IT8152_PD_IRQ(1)
> -#define IT8152_AUDIO_INT IT8152_PD_IRQ(0)
> -
> -struct pci_dev;
> -struct pci_sys_data;
> -
> -extern void it8152_irq_demux(struct irq_desc *desc);
> -extern void it8152_init_irq(void);
> -extern int it8152_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
> -extern int it8152_pci_setup(int nr, struct pci_sys_data *sys);
> -extern struct pci_ops it8152_ops;
> -
> -#endif /* __ASM_HARDWARE_IT8152_H */
> diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
> index ed46ca69813d..eecec16aa708 100644
> --- a/arch/arm/kernel/bios32.c
> +++ b/arch/arm/kernel/bios32.c
> @@ -252,23 +252,6 @@ static void pci_fixup_cy82c693(struct pci_dev *dev)
> }
> DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_CONTAQ, PCI_DEVICE_ID_CONTAQ_82C693, pci_fixup_cy82c693);
>
> -static void pci_fixup_it8152(struct pci_dev *dev)
> -{
> - int i;
> - /* fixup for ITE 8152 devices */
> - /* FIXME: add defines for class 0x68000 and 0x80103 */
> - if ((dev->class >> 8) == PCI_CLASS_BRIDGE_HOST ||
> - dev->class == 0x68000 ||
> - dev->class == 0x80103) {
> - for (i = 0; i < PCI_NUM_RESOURCES; i++) {
> - dev->resource[i].start = 0;
> - dev->resource[i].end = 0;
> - dev->resource[i].flags = 0;
> - }
> - }
> -}
> -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ITE, PCI_DEVICE_ID_ITE_8152, pci_fixup_it8152);
> -
> /*
> * If the bus contains any of these devices, then we must not turn on
> * parity checking of any kind. Currently this is CyberPro 20x0 only.
> --
> 2.26.2
>

--
Sincerely yours,
Mike.