<commit_before>#include <linux/pci.h>
#include <linux/acpi.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/dmi.h>
#include <linux/slab.h>
#include <asm/numa.h>
#include <asm/pci_x86.h>

struct pci_root_info {
	struct acpi_device *bridge;
	char *name;
	unsigned int res_num;
	struct resource *res;
	struct pci_bus *bus;
	int busnum;
};

static bool pci_use_crs = true;

static int __init set_use_crs(const struct dmi_system_id *id)
{
	pci_use_crs = true;
	return 0;
}

static int __init set_nouse_crs(const struct dmi_system_id *id)
{
	pci_use_crs = false;
	return 0;
}

static const struct dmi_system_id pci_use_crs_table[] __initconst = {
	/* http://bugzilla.kernel.org/show_bug.cgi?id=14183 */
	{
		.callback = set_use_crs,
		.ident = "IBM System x3800",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
			DMI_MATCH(DMI_PRODUCT_NAME, "x3800"),
		},
	},
	/* https://bugzilla.kernel.org/show_bug.cgi?id=16007 */
	/* 2006 AMD HT/VIA system with two host bridges */
        {
		.callback = set_use_crs,
		.ident = "ASRock ALiveSATA2-GLAN",
		.matches = {
			DMI_MATCH(DMI_PRODUCT_NAME, "ALiveSATA2-GLAN"),
                },
        },
	/* https://bugzilla.kernel.org/show_bug.cgi?id=30552 */
	/* 2006 AMD HT/VIA system with two host bridges */
	{
		.callback = set_use_crs,
		.ident = "ASUS M2V-MX SE",
		.matches = {
			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
			DMI_MATCH(DMI_BOARD_NAME, "M2V-MX SE"),
			DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
		},
	},

	{}
};
<commit_msg>PCI: Add Dell Studio 1557 to pci=nocrs blacklist<commit_after>#include <linux/pci.h>
#include <linux/acpi.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/dmi.h>
#include <linux/slab.h>
#include <asm/numa.h>
#include <asm/pci_x86.h>

struct pci_root_info {
	struct acpi_device *bridge;
	char *name;
	unsigned int res_num;
	struct resource *res;
	struct pci_bus *bus;
	int busnum;
};

static bool pci_use_crs = true;

static int __init set_use_crs(const struct dmi_system_id *id)
{
	pci_use_crs = true;
	return 0;
}

static int __init set_nouse_crs(const struct dmi_system_id *id)
{
	pci_use_crs = false;
	return 0;
}

static const struct dmi_system_id pci_use_crs_table[] __initconst = {
	/* http://bugzilla.kernel.org/show_bug.cgi?id=14183 */
	{
		.callback = set_use_crs,
		.ident = "IBM System x3800",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
			DMI_MATCH(DMI_PRODUCT_NAME, "x3800"),
		},
	},
	/* https://bugzilla.kernel.org/show_bug.cgi?id=16007 */
	/* 2006 AMD HT/VIA system with two host bridges */
        {
		.callback = set_use_crs,
		.ident = "ASRock ALiveSATA2-GLAN",
		.matches = {
			DMI_MATCH(DMI_PRODUCT_NAME, "ALiveSATA2-GLAN"),
                },
        },
	/* https://bugzilla.kernel.org/show_bug.cgi?id=30552 */
	/* 2006 AMD HT/VIA system with two host bridges */
	{
		.callback = set_use_crs,
		.ident = "ASUS M2V-MX SE",
		.matches = {
			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
			DMI_MATCH(DMI_BOARD_NAME, "M2V-MX SE"),
			DMI_MATCH(DMI_BIOS_VENDOR, "American Megatrends Inc."),
		},
	},

	/* Now for the blacklist.. */

	/* https://bugzilla.redhat.com/show_bug.cgi?id=769657 */
	{
		.callback = set_nouse_crs,
		.ident = "Dell Studio 1557",
		.matches = {
			DMI_MATCH(DMI_BOARD_VENDOR, "Dell Inc."),
			DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1557"),
			DMI_MATCH(DMI_BIOS_VERSION, "A09"),
		},
	},
	{}
};

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