Contributors: 17
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Andy Grover |
145 |
32.81% |
3 |
12.00% |
Len Brown |
113 |
25.57% |
4 |
16.00% |
Rafael J. Wysocki |
75 |
16.97% |
1 |
4.00% |
Toshi Kani |
26 |
5.88% |
1 |
4.00% |
Alex Hung |
12 |
2.71% |
1 |
4.00% |
Hanjun Guo |
12 |
2.71% |
1 |
4.00% |
Lv Zheng |
9 |
2.04% |
1 |
4.00% |
Linus Torvalds (pre-git) |
8 |
1.81% |
4 |
16.00% |
Michael Pobega |
7 |
1.58% |
1 |
4.00% |
Arnd Bergmann |
7 |
1.58% |
1 |
4.00% |
Kai-Heng Feng |
6 |
1.36% |
1 |
4.00% |
Edward Lin |
5 |
1.13% |
1 |
4.00% |
Alexey Y. Starikovskiy |
4 |
0.90% |
1 |
4.00% |
Robert Moore |
4 |
0.90% |
1 |
4.00% |
Christoph Hellwig |
4 |
0.90% |
1 |
4.00% |
Andrey Panin |
3 |
0.68% |
1 |
4.00% |
Thomas Gleixner |
2 |
0.45% |
1 |
4.00% |
Total |
442 |
|
25 |
|
// 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 */