mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-24 01:41:39 +00:00
![Hanjun Guo](/assets/img/avatar_default.png)
Intoduce pr_fmt() and use pr_*() macros to replace printk(), to generate a unified format string for prefix, then remove the PREFIX. Signed-off-by: Hanjun Guo <guohanjun@huawei.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
140 lines
3.7 KiB
C
140 lines
3.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* blacklist.c
|
|
*
|
|
* Check to see if the given machine has a known bad ACPI BIOS
|
|
* or if the BIOS is too old.
|
|
* Check given machine against acpi_rev_dmi_table[].
|
|
*
|
|
* Copyright (C) 2004 Len Brown <len.brown@intel.com>
|
|
* Copyright (C) 2002 Andy Grover <andrew.grover@intel.com>
|
|
*/
|
|
|
|
#define pr_fmt(fmt) "ACPI: " fmt
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/acpi.h>
|
|
#include <linux/dmi.h>
|
|
|
|
#include "internal.h"
|
|
|
|
#ifdef CONFIG_DMI
|
|
static const struct dmi_system_id acpi_rev_dmi_table[] __initconst;
|
|
#endif
|
|
|
|
/*
|
|
* POLICY: If *anything* doesn't work, put it on the blacklist.
|
|
* If they are critical errors, mark it critical, and abort driver load.
|
|
*/
|
|
static struct acpi_platform_list acpi_blacklist[] __initdata = {
|
|
/* Compaq Presario 1700 */
|
|
{"PTLTD ", " DSDT ", 0x06040000, ACPI_SIG_DSDT, less_than_or_equal,
|
|
"Multiple problems", 1},
|
|
/* Sony FX120, FX140, FX150? */
|
|
{"SONY ", "U0 ", 0x20010313, ACPI_SIG_DSDT, less_than_or_equal,
|
|
"ACPI driver problem", 1},
|
|
/* Compaq Presario 800, Insyde BIOS */
|
|
{"INT440", "SYSFexxx", 0x00001001, ACPI_SIG_DSDT, less_than_or_equal,
|
|
"Does not use _REG to protect EC OpRegions", 1},
|
|
/* IBM 600E - _ADR should return 7, but it returns 1 */
|
|
{"IBM ", "TP600E ", 0x00000105, ACPI_SIG_DSDT, less_than_or_equal,
|
|
"Incorrect _ADR", 1},
|
|
|
|
{ }
|
|
};
|
|
|
|
int __init acpi_blacklisted(void)
|
|
{
|
|
int i;
|
|
int blacklisted = 0;
|
|
|
|
i = acpi_match_platform_list(acpi_blacklist);
|
|
if (i >= 0) {
|
|
pr_err("Vendor \"%6.6s\" System \"%8.8s\" Revision 0x%x has a known ACPI BIOS problem.\n",
|
|
acpi_blacklist[i].oem_id,
|
|
acpi_blacklist[i].oem_table_id,
|
|
acpi_blacklist[i].oem_revision);
|
|
|
|
pr_err("Reason: %s. This is a %s error\n",
|
|
acpi_blacklist[i].reason,
|
|
(acpi_blacklist[i].data ?
|
|
"non-recoverable" : "recoverable"));
|
|
|
|
blacklisted = acpi_blacklist[i].data;
|
|
}
|
|
|
|
(void)early_acpi_osi_init();
|
|
#ifdef CONFIG_DMI
|
|
dmi_check_system(acpi_rev_dmi_table);
|
|
#endif
|
|
|
|
return blacklisted;
|
|
}
|
|
#ifdef CONFIG_DMI
|
|
#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
|
|
static int __init dmi_enable_rev_override(const struct dmi_system_id *d)
|
|
{
|
|
pr_notice("DMI detected: %s (force ACPI _REV to 5)\n", d->ident);
|
|
acpi_rev_override_setup(NULL);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static const struct dmi_system_id acpi_rev_dmi_table[] __initconst = {
|
|
#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
|
|
/*
|
|
* DELL XPS 13 (2015) switches sound between HDA and I2S
|
|
* depending on the ACPI _REV callback. If userspace supports
|
|
* I2S sufficiently (or if you do not care about sound), you
|
|
* can safely disable this quirk.
|
|
*/
|
|
{
|
|
.callback = dmi_enable_rev_override,
|
|
.ident = "DELL XPS 13 (2015)",
|
|
.matches = {
|
|
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
|
|
DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"),
|
|
},
|
|
},
|
|
{
|
|
.callback = dmi_enable_rev_override,
|
|
.ident = "DELL Precision 5520",
|
|
.matches = {
|
|
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
|
|
DMI_MATCH(DMI_PRODUCT_NAME, "Precision 5520"),
|
|
},
|
|
},
|
|
{
|
|
.callback = dmi_enable_rev_override,
|
|
.ident = "DELL Precision 3520",
|
|
.matches = {
|
|
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
|
|
DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3520"),
|
|
},
|
|
},
|
|
/*
|
|
* Resolves a quirk with the Dell Latitude 3350 that
|
|
* causes the ethernet adapter to not function.
|
|
*/
|
|
{
|
|
.callback = dmi_enable_rev_override,
|
|
.ident = "DELL Latitude 3350",
|
|
.matches = {
|
|
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
|
|
DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3350"),
|
|
},
|
|
},
|
|
{
|
|
.callback = dmi_enable_rev_override,
|
|
.ident = "DELL Inspiron 7537",
|
|
.matches = {
|
|
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
|
|
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7537"),
|
|
},
|
|
},
|
|
#endif
|
|
{}
|
|
};
|
|
|
|
#endif /* CONFIG_DMI */
|