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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-20 09:45:38 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-20 09:45:38 -0700 |
commit | 04afb40593f9a3007e5ea817d009529ef10fb685 (patch) | |
tree | de5a16c2b1e5f2d97a7c2eccea4677719817f282 /drivers/acpi/bus.c | |
parent | 7f06a8b26aba1dc03b42272dc0089a800372c575 (diff) | |
parent | cce4f632db200aef147c59084437168174b23f11 (diff) | |
download | linux-3.10-04afb40593f9a3007e5ea817d009529ef10fb685.tar.gz linux-3.10-04afb40593f9a3007e5ea817d009529ef10fb685.tar.bz2 linux-3.10-04afb40593f9a3007e5ea817d009529ef10fb685.zip |
Merge branch 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (22 commits)
ACPI: fix early DSDT dmi check warnings on ia64
ACPICA: Update version to 20100428.
ACPICA: Update/clarify some parameter names associated with acpi_handle
ACPICA: Rename acpi_ex_system_do_suspend->acpi_ex_system_do_sleep
ACPICA: Prevent possible allocation overrun during object copy
ACPICA: Split large file, evgpeblk
ACPICA: Add GPE support for dynamically loaded ACPI tables
ACPICA: Clarify/rename some root table descriptor fields
ACPICA: Update version to 20100331.
ACPICA: Minimize the differences between linux GPE code and ACPICA code base
ACPI: add boot option acpi=copy_dsdt to fix corrupt DSDT
ACPICA: Update DSDT copy/detection.
ACPICA: Add subsystem option to force copy of DSDT to local memory
ACPICA: Add detection of corrupted/replaced DSDT
ACPICA: Add write support for DataTable operation regions
ACPICA: Fix for acpi_reallocate_root_table for incorrect root table copy
ACPICA: Update comments/headers, no functional change
ACPICA: Update version to 20100304
ACPICA: Fix for possible fault in acpi_ex_release_mutex
ACPICA: Standardize integer output for ACPICA warnings/errors
...
Diffstat (limited to 'drivers/acpi/bus.c')
-rw-r--r-- | drivers/acpi/bus.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 743576bf1bd..9042a857966 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -69,6 +69,44 @@ static struct dmi_system_id __cpuinitdata power_nocheck_dmi_table[] = { }; +#ifdef CONFIG_X86 +static int set_copy_dsdt(const struct dmi_system_id *id) +{ + printk(KERN_NOTICE "%s detected - " + "force copy of DSDT to local memory\n", id->ident); + acpi_gbl_copy_dsdt_locally = 1; + return 0; +} + +static struct dmi_system_id dsdt_dmi_table[] __initdata = { + /* + * Insyde BIOS on some TOSHIBA machines corrupt the DSDT. + * https://bugzilla.kernel.org/show_bug.cgi?id=14679 + */ + { + .callback = set_copy_dsdt, + .ident = "TOSHIBA Satellite A505", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A505"), + }, + }, + { + .callback = set_copy_dsdt, + .ident = "TOSHIBA Satellite L505D", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "Satellite L505D"), + }, + }, + {} +}; +#else +static struct dmi_system_id dsdt_dmi_table[] __initdata = { + {} +}; +#endif + /* -------------------------------------------------------------------------- Device Management -------------------------------------------------------------------------- */ @@ -813,6 +851,12 @@ void __init acpi_early_init(void) acpi_gbl_permanent_mmap = 1; + /* + * If the machine falls into the DMI check table, + * DSDT will be copied to memory + */ + dmi_check_system(dsdt_dmi_table); + status = acpi_reallocate_root_table(); if (ACPI_FAILURE(status)) { printk(KERN_ERR PREFIX |