Loading drivers/acpi/blacklist.c +381 −0 Original line number Diff line number Diff line Loading @@ -3,6 +3,7 @@ * * 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_osi_dmi_table[]. * * Copyright (C) 2004 Len Brown <len.brown@intel.com> * Copyright (C) 2002 Andy Grover <andrew.grover@intel.com> Loading Loading @@ -50,6 +51,8 @@ struct acpi_blacklist_item { u32 is_critical_error; }; static struct dmi_system_id acpi_osi_dmi_table[] __initdata; /* * POLICY: If *anything* doesn't work, put it on the blacklist. * If they are critical errors, mark it critical, and abort driver load. Loading Loading @@ -165,5 +168,383 @@ int __init acpi_blacklisted(void) blacklisted += blacklist_by_year(); dmi_check_system(acpi_osi_dmi_table); return blacklisted; } #ifdef CONFIG_DMI static int __init dmi_enable_osi_linux(const struct dmi_system_id *d) { acpi_dmi_osi_linux(1, d); /* enable */ return 0; } static int __init dmi_disable_osi_linux(const struct dmi_system_id *d) { acpi_dmi_osi_linux(0, d); /* disable */ return 0; } static int __init dmi_unknown_osi_linux(const struct dmi_system_id *d) { acpi_dmi_osi_linux(-1, d); /* unknown */ return 0; } /* * Most BIOS that invoke OSI(Linux) do nothing with it. * But some cause Linux to break. * Only a couple use it to make Linux run better. * * Thus, Linux should continue to disable OSI(Linux) by default, * should continue to discourage BIOS writers from using it, and * should whitelist the few existing systems that require it. * * If it appears clear a vendor isn't using OSI(Linux) * for anything constructive, blacklist them by name to disable * unnecessary dmesg warnings on all of their products. */ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { /* * Disable OSI(Linux) warnings on all "Acer, inc." * * _OSI(Linux) disables the latest Windows BIOS code: * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5050"), * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5580"), * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 3010"), * _OSI(Linux) effect unknown: * DMI_MATCH(DMI_PRODUCT_NAME, "Ferrari 5000"), */ { .callback = dmi_disable_osi_linux, .ident = "Acer, inc.", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer, inc."), }, }, /* * Disable OSI(Linux) warnings on all "Acer" * * _OSI(Linux) effect unknown: * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"), * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"), * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7720Z"), * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5520"), * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 6460"), * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 7510"), * DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5220"), */ { .callback = dmi_unknown_osi_linux, .ident = "Acer", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), }, }, /* * Disable OSI(Linux) warnings on all "Apple Computer, Inc." * * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"), * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook2,1"), * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro2,2"), * _OSI(Linux) effect unknown: * DMI_MATCH(DMI_PRODUCT_NAME, "MacPro2,1"), * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro1,1"), * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro3,1"), */ { .callback = dmi_disable_osi_linux, .ident = "Apple", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."), }, }, /* * Disable OSI(Linux) warnings on all "BenQ" * * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "Joybook S31"), */ { .callback = dmi_disable_osi_linux, .ident = "BenQ", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "BenQ"), }, }, /* * Disable OSI(Linux) warnings on all "Clevo Co." * * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "M570RU"), */ { .callback = dmi_disable_osi_linux, .ident = "Clevo", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Clevo Co."), }, }, /* * Disable OSI(Linux) warnings on all "COMPAL" * * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_BOARD_NAME, "HEL8X"), * _OSI(Linux) unknown effect: * DMI_MATCH(DMI_BOARD_NAME, "IFL91"), */ { .callback = dmi_unknown_osi_linux, .ident = "Compal", .matches = { DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"), }, }, { /* OSI(Linux) touches USB, breaks suspend to disk */ .callback = dmi_disable_osi_linux, .ident = "Dell Dimension 5150", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Dell DM051"), }, }, { /* OSI(Linux) is a NOP */ .callback = dmi_disable_osi_linux, .ident = "Dell", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1501"), }, }, { /* OSI(Linux) effect unknown */ .callback = dmi_unknown_osi_linux, .ident = "Dell", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D830"), }, }, { /* OSI(Linux) effect unknown */ .callback = dmi_unknown_osi_linux, .ident = "Dell", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex GX620"), }, }, { /* OSI(Linux) effect unknown */ .callback = dmi_unknown_osi_linux, .ident = "Dell", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1900"), }, }, { /* OSI(Linux) touches USB */ .callback = dmi_disable_osi_linux, .ident = "Dell", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 390"), }, }, { /* OSI(Linux) is a NOP */ .callback = dmi_disable_osi_linux, .ident = "Dell Vostro 1000", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1000"), }, }, { /* OSI(Linux) effect unknown */ .callback = dmi_unknown_osi_linux, .ident = "Dell", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge SC440"), }, }, { /* OSI(Linux) effect unknown */ .callback = dmi_unknown_osi_linux, .ident = "Dialogue Flybook V5", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dialogue Technology Corporation"), DMI_MATCH(DMI_PRODUCT_NAME, "Flybook V5"), }, }, /* * Disable OSI(Linux) warnings on all "FUJITSU SIEMENS" * * _OSI(Linux) disables latest Windows BIOS code: * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2510"), * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1536"), * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1556"), * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 1546"), * _OSI(Linux) unknown effect: * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo M1425"), * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo Si 1520"), * DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"), */ { .callback = dmi_disable_osi_linux, .ident = "Fujitsu Siemens", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), }, }, /* * Disable OSI(Linux) warnings on all "Hewlett-Packard" * * _OSI(Linux) confirmed to be a NOP: * .ident = "HP Pavilion tx 1000" * DMI_MATCH(DMI_BOARD_NAME, "30BF"), * .ident = "HP Pavilion dv2000" * DMI_MATCH(DMI_BOARD_NAME, "30B5"), * .ident = "HP Pavilion dv5000", * DMI_MATCH(DMI_BOARD_NAME, "30A7"), * .ident = "HP Pavilion dv6300 30BC", * DMI_MATCH(DMI_BOARD_NAME, "30BC"), * .ident = "HP Pavilion dv6000", * DMI_MATCH(DMI_BOARD_NAME, "30B7"), * DMI_MATCH(DMI_BOARD_NAME, "30B8"), * .ident = "HP Pavilion dv9000", * DMI_MATCH(DMI_BOARD_NAME, "30B9"), * .ident = "HP Pavilion dv9500", * DMI_MATCH(DMI_BOARD_NAME, "30CB"), * .ident = "HP/Compaq Presario C500", * DMI_MATCH(DMI_BOARD_NAME, "30C6"), * .ident = "HP/Compaq Presario F500", * DMI_MATCH(DMI_BOARD_NAME, "30D3"), * _OSI(Linux) unknown effect: * .ident = "HP Pavilion dv6500", * DMI_MATCH(DMI_BOARD_NAME, "30D0"), */ { .callback = dmi_disable_osi_linux, .ident = "Hewlett-Packard", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), }, }, /* * Lenovo has a mix of systems OSI(Linux) situations * and thus we can not wildcard the vendor. * * _OSI(Linux) helps sound * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), * _OSI(Linux) is a NOP: * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"), */ { .callback = dmi_enable_osi_linux, .ident = "Lenovo ThinkPad R61", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), }, }, { .callback = dmi_enable_osi_linux, .ident = "Lenovo ThinkPad T61", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), }, }, { .callback = dmi_unknown_osi_linux, .ident = "Lenovo 3000 V100", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"), }, }, { .callback = dmi_disable_osi_linux, .ident = "Lenovo 3000 N100", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"), }, }, /* * Disable OSI(Linux) warnings on all "LG Electronics" * * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "P1-J150B"), */ { .callback = dmi_disable_osi_linux, .ident = "LG", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"), }, }, /* NEC - OSI(Linux) effect unknown */ { .callback = dmi_unknown_osi_linux, .ident = "NEC VERSA M360", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "NEC Computers SAS"), DMI_MATCH(DMI_PRODUCT_NAME, "NEC VERSA M360"), }, }, /* * Disable OSI(Linux) warnings on all "Samsung Electronics" * * OSI(Linux) disables PNP0C32 and other BIOS code for Windows: * DMI_MATCH(DMI_PRODUCT_NAME, "R40P/R41P"), * DMI_MATCH(DMI_PRODUCT_NAME, "R59P/R60P/R61P"), */ { .callback = dmi_disable_osi_linux, .ident = "Samsung", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), }, }, /* * Disable OSI(Linux) warnings on all "Sony Corporation" * * _OSI(Linux) is a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ650N"), * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ38GP_C"), * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-TZ21MN_N"), * _OSI(Linux) unknown effect: * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ11M"), */ { .callback = dmi_unknown_osi_linux, .ident = "Sony", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), }, }, /* * Disable OSI(Linux) warnings on all "TOSHIBA" * * _OSI(Linux) breaks sound (bugzilla 7787): * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P100"), * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P105"), * _OSI(Linux) is a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A100"), * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A210"), * _OSI(Linux) unknown effect: * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A135"), * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A200"), * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P205"), * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U305"), */ { .callback = dmi_disable_osi_linux, .ident = "Toshiba", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), }, }, {} }; #endif /* CONFIG_DMI */ drivers/acpi/osl.c +130 −43 Original line number Diff line number Diff line Loading @@ -77,11 +77,55 @@ static struct workqueue_struct *kacpi_notify_wq; #define OSI_STRING_LENGTH_MAX 64 /* arbitrary */ static char osi_additional_string[OSI_STRING_LENGTH_MAX]; static int osi_linux; /* disable _OSI(Linux) by default */ /* * "Ode to _OSI(Linux)" * * osi_linux -- Control response to BIOS _OSI(Linux) query. * * As Linux evolves, the features that it supports change. * So an OSI string such as "Linux" is not specific enough * to be useful across multiple versions of Linux. It * doesn't identify any particular feature, interface, * or even any particular version of Linux... * * Unfortunately, Linux-2.6.22 and earlier responded "yes" * to a BIOS _OSI(Linux) query. When * a reference mobile BIOS started using it, its use * started to spread to many vendor platforms. * As it is not supportable, we need to halt that spread. * * Today, most BIOS references to _OSI(Linux) are noise -- * they have no functional effect and are just dead code * carried over from the reference BIOS. * * The next most common case is that _OSI(Linux) harms Linux, * usually by causing the BIOS to follow paths that are * not tested during Windows validation. * * Finally, there is a short list of platforms * where OSI(Linux) benefits Linux. * * In Linux-2.6.23, OSI(Linux) is first disabled by default. * DMI is used to disable the dmesg warning about OSI(Linux) * on platforms where it is known to have no effect. * But a dmesg warning remains for systems where * we do not know if OSI(Linux) is good or bad for the system. * DMI is also used to enable OSI(Linux) for the machines * that are known to need it. * * BIOS writers should NOT query _OSI(Linux) on future systems. * It will be ignored by default, and to get Linux to * not ignore it will require a kernel source update to * add a DMI entry, or a boot-time "acpi_osi=Linux" invocation. */ #define OSI_LINUX_ENABLE 0 #ifdef CONFIG_DMI static struct __initdata dmi_system_id acpi_osl_dmi_table[]; #endif struct osi_linux { unsigned int enable:1; unsigned int dmi:1; unsigned int cmdline:1; unsigned int known:1; } osi_linux = { OSI_LINUX_ENABLE, 0, 0, 0}; static void __init acpi_request_region (struct acpi_generic_address *addr, unsigned int length, char *desc) Loading Loading @@ -133,7 +177,6 @@ device_initcall(acpi_reserve_resources); acpi_status __init acpi_os_initialize(void) { dmi_check_system(acpi_osl_dmi_table); return AE_OK; } Loading Loading @@ -964,13 +1007,37 @@ static int __init acpi_os_name_setup(char *str) __setup("acpi_os_name=", acpi_os_name_setup); static void enable_osi_linux(int enable) { static void __init set_osi_linux(unsigned int enable) { if (osi_linux.enable != enable) { osi_linux.enable = enable; printk(KERN_NOTICE PREFIX "%sed _OSI(Linux)\n", enable ? "Add": "Delet"); } return; } if (osi_linux != enable) printk(KERN_INFO PREFIX "%sabled _OSI(Linux)\n", enable ? "En": "Dis"); static void __init acpi_cmdline_osi_linux(unsigned int enable) { osi_linux.cmdline = 1; /* cmdline set the default */ set_osi_linux(enable); return; } void __init acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d) { osi_linux.dmi = 1; /* DMI knows that this box asks OSI(Linux) */ printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); if (enable == -1) return; osi_linux.known = 1; /* DMI knows which OSI(Linux) default needed */ set_osi_linux(enable); osi_linux = enable; return; } Loading @@ -987,12 +1054,12 @@ static int __init acpi_osi_setup(char *str) printk(KERN_INFO PREFIX "_OSI method disabled\n"); acpi_gbl_create_osi_method = FALSE; } else if (!strcmp("!Linux", str)) { enable_osi_linux(0); acpi_cmdline_osi_linux(0); /* !enable */ } else if (*str == '!') { if (acpi_osi_invalidate(++str) == AE_OK) printk(KERN_INFO PREFIX "Deleted _OSI(%s)\n", str); } else if (!strcmp("Linux", str)) { enable_osi_linux(1); acpi_cmdline_osi_linux(1); /* enable */ } else if (*osi_additional_string == '\0') { strncpy(osi_additional_string, str, OSI_STRING_LENGTH_MAX); printk(KERN_INFO PREFIX "Added _OSI(%s)\n", str); Loading Loading @@ -1141,6 +1208,34 @@ acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object) return (AE_OK); } /** * acpi_dmi_dump - dump DMI slots needed for blacklist entry * * Returns 0 on success */ int acpi_dmi_dump(void) { if (!dmi_available) return -1; printk(KERN_NOTICE PREFIX "DMI System Vendor: %s\n", dmi_get_slot(DMI_SYS_VENDOR)); printk(KERN_NOTICE PREFIX "DMI Product Name: %s\n", dmi_get_slot(DMI_PRODUCT_NAME)); printk(KERN_NOTICE PREFIX "DMI Product Version: %s\n", dmi_get_slot(DMI_PRODUCT_VERSION)); printk(KERN_NOTICE PREFIX "DMI Board Name: %s\n", dmi_get_slot(DMI_BOARD_NAME)); printk(KERN_NOTICE PREFIX "DMI BIOS Vendor: %s\n", dmi_get_slot(DMI_BIOS_VENDOR)); printk(KERN_NOTICE PREFIX "DMI BIOS Date: %s\n", dmi_get_slot(DMI_BIOS_DATE)); return 0; } /****************************************************************************** * * FUNCTION: acpi_os_validate_interface Loading @@ -1160,13 +1255,29 @@ acpi_os_validate_interface (char *interface) if (!strncmp(osi_additional_string, interface, OSI_STRING_LENGTH_MAX)) return AE_OK; if (!strcmp("Linux", interface)) { printk(KERN_WARNING PREFIX "System BIOS is requesting _OSI(Linux)\n"); printk(KERN_WARNING PREFIX "If \"acpi_osi=Linux\" works better,\n" "Please send dmidecode " "to linux-acpi@vger.kernel.org\n"); if(osi_linux) printk(KERN_NOTICE PREFIX "BIOS _OSI(Linux) query %s%s\n", osi_linux.enable ? "honored" : "ignored", osi_linux.cmdline ? " via cmdline" : osi_linux.dmi ? " via DMI" : ""); if (!osi_linux.dmi) { if (acpi_dmi_dump()) printk(KERN_NOTICE PREFIX "[please extract dmidecode output]\n"); printk(KERN_NOTICE PREFIX "Please send DMI info above to " "linux-acpi@vger.kernel.org\n"); } if (!osi_linux.known && !osi_linux.cmdline) { printk(KERN_NOTICE PREFIX "If \"acpi_osi=%sLinux\" works better, " "please notify linux-acpi@vger.kernel.org\n", osi_linux.enable ? "!" : ""); } if (osi_linux.enable) return AE_OK; } return AE_SUPPORT; Loading Loading @@ -1198,28 +1309,4 @@ acpi_os_validate_address ( return AE_OK; } #ifdef CONFIG_DMI static int dmi_osi_linux(const struct dmi_system_id *d) { printk(KERN_NOTICE "%s detected: enabling _OSI(Linux)\n", d->ident); enable_osi_linux(1); return 0; } static struct dmi_system_id acpi_osl_dmi_table[] __initdata = { /* * Boxes that need _OSI(Linux) */ { .callback = dmi_osi_linux, .ident = "Intel Napa CRB", .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"), DMI_MATCH(DMI_BOARD_NAME, "MPAD-MSAE Customer Reference Boards"), }, }, {} }; #endif /* CONFIG_DMI */ #endif drivers/firmware/dmi-id.c +0 −2 Original line number Diff line number Diff line Loading @@ -173,8 +173,6 @@ static struct device *dmi_dev; if (dmi_get_system_info(_field)) \ sys_dmi_attributes[i++] = &sys_dmi_##_name##_attr.dev_attr.attr; extern int dmi_available; /* In a separate function to keep gcc 3.2 happy - do NOT merge this in dmi_id_init! */ static void __init dmi_id_init_attr_table(void) Loading drivers/firmware/dmi_scan.c +8 −0 Original line number Diff line number Diff line Loading @@ -470,3 +470,11 @@ int dmi_get_year(int field) return year; } /** * dmi_get_slot - return dmi_ident[slot] * @slot: index into dmi_ident[] */ char *dmi_get_slot(int slot) { return(dmi_ident[slot]); } include/linux/acpi.h +5 −2 Original line number Diff line number Diff line Loading @@ -40,6 +40,7 @@ #include <acpi/acpi_drivers.h> #include <acpi/acpi_numa.h> #include <asm/acpi.h> #include <linux/dmi.h> #ifdef CONFIG_ACPI Loading Loading @@ -192,7 +193,9 @@ extern int ec_transaction(u8 command, #endif /*CONFIG_ACPI_EC*/ extern int acpi_blacklisted(void); extern void acpi_bios_year(char *s); #ifdef CONFIG_DMI extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); #endif #ifdef CONFIG_ACPI_NUMA int acpi_get_pxm(acpi_handle handle); Loading Loading @@ -226,5 +229,5 @@ static inline int acpi_boot_table_init(void) return 0; } #endif /* CONFIG_ACPI */ #endif /* !CONFIG_ACPI */ #endif /*_LINUX_ACPI_H*/ Loading
drivers/acpi/blacklist.c +381 −0 Original line number Diff line number Diff line Loading @@ -3,6 +3,7 @@ * * 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_osi_dmi_table[]. * * Copyright (C) 2004 Len Brown <len.brown@intel.com> * Copyright (C) 2002 Andy Grover <andrew.grover@intel.com> Loading Loading @@ -50,6 +51,8 @@ struct acpi_blacklist_item { u32 is_critical_error; }; static struct dmi_system_id acpi_osi_dmi_table[] __initdata; /* * POLICY: If *anything* doesn't work, put it on the blacklist. * If they are critical errors, mark it critical, and abort driver load. Loading Loading @@ -165,5 +168,383 @@ int __init acpi_blacklisted(void) blacklisted += blacklist_by_year(); dmi_check_system(acpi_osi_dmi_table); return blacklisted; } #ifdef CONFIG_DMI static int __init dmi_enable_osi_linux(const struct dmi_system_id *d) { acpi_dmi_osi_linux(1, d); /* enable */ return 0; } static int __init dmi_disable_osi_linux(const struct dmi_system_id *d) { acpi_dmi_osi_linux(0, d); /* disable */ return 0; } static int __init dmi_unknown_osi_linux(const struct dmi_system_id *d) { acpi_dmi_osi_linux(-1, d); /* unknown */ return 0; } /* * Most BIOS that invoke OSI(Linux) do nothing with it. * But some cause Linux to break. * Only a couple use it to make Linux run better. * * Thus, Linux should continue to disable OSI(Linux) by default, * should continue to discourage BIOS writers from using it, and * should whitelist the few existing systems that require it. * * If it appears clear a vendor isn't using OSI(Linux) * for anything constructive, blacklist them by name to disable * unnecessary dmesg warnings on all of their products. */ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { /* * Disable OSI(Linux) warnings on all "Acer, inc." * * _OSI(Linux) disables the latest Windows BIOS code: * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5050"), * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5580"), * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 3010"), * _OSI(Linux) effect unknown: * DMI_MATCH(DMI_PRODUCT_NAME, "Ferrari 5000"), */ { .callback = dmi_disable_osi_linux, .ident = "Acer, inc.", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer, inc."), }, }, /* * Disable OSI(Linux) warnings on all "Acer" * * _OSI(Linux) effect unknown: * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"), * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"), * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7720Z"), * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5520"), * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 6460"), * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 7510"), * DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5220"), */ { .callback = dmi_unknown_osi_linux, .ident = "Acer", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), }, }, /* * Disable OSI(Linux) warnings on all "Apple Computer, Inc." * * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"), * DMI_MATCH(DMI_PRODUCT_NAME, "MacBook2,1"), * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro2,2"), * _OSI(Linux) effect unknown: * DMI_MATCH(DMI_PRODUCT_NAME, "MacPro2,1"), * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro1,1"), * DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro3,1"), */ { .callback = dmi_disable_osi_linux, .ident = "Apple", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."), }, }, /* * Disable OSI(Linux) warnings on all "BenQ" * * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "Joybook S31"), */ { .callback = dmi_disable_osi_linux, .ident = "BenQ", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "BenQ"), }, }, /* * Disable OSI(Linux) warnings on all "Clevo Co." * * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "M570RU"), */ { .callback = dmi_disable_osi_linux, .ident = "Clevo", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Clevo Co."), }, }, /* * Disable OSI(Linux) warnings on all "COMPAL" * * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_BOARD_NAME, "HEL8X"), * _OSI(Linux) unknown effect: * DMI_MATCH(DMI_BOARD_NAME, "IFL91"), */ { .callback = dmi_unknown_osi_linux, .ident = "Compal", .matches = { DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"), }, }, { /* OSI(Linux) touches USB, breaks suspend to disk */ .callback = dmi_disable_osi_linux, .ident = "Dell Dimension 5150", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Dell DM051"), }, }, { /* OSI(Linux) is a NOP */ .callback = dmi_disable_osi_linux, .ident = "Dell", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1501"), }, }, { /* OSI(Linux) effect unknown */ .callback = dmi_unknown_osi_linux, .ident = "Dell", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D830"), }, }, { /* OSI(Linux) effect unknown */ .callback = dmi_unknown_osi_linux, .ident = "Dell", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex GX620"), }, }, { /* OSI(Linux) effect unknown */ .callback = dmi_unknown_osi_linux, .ident = "Dell", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1900"), }, }, { /* OSI(Linux) touches USB */ .callback = dmi_disable_osi_linux, .ident = "Dell", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 390"), }, }, { /* OSI(Linux) is a NOP */ .callback = dmi_disable_osi_linux, .ident = "Dell Vostro 1000", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1000"), }, }, { /* OSI(Linux) effect unknown */ .callback = dmi_unknown_osi_linux, .ident = "Dell", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge SC440"), }, }, { /* OSI(Linux) effect unknown */ .callback = dmi_unknown_osi_linux, .ident = "Dialogue Flybook V5", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dialogue Technology Corporation"), DMI_MATCH(DMI_PRODUCT_NAME, "Flybook V5"), }, }, /* * Disable OSI(Linux) warnings on all "FUJITSU SIEMENS" * * _OSI(Linux) disables latest Windows BIOS code: * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2510"), * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1536"), * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1556"), * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 1546"), * _OSI(Linux) unknown effect: * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo M1425"), * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo Si 1520"), * DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"), */ { .callback = dmi_disable_osi_linux, .ident = "Fujitsu Siemens", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), }, }, /* * Disable OSI(Linux) warnings on all "Hewlett-Packard" * * _OSI(Linux) confirmed to be a NOP: * .ident = "HP Pavilion tx 1000" * DMI_MATCH(DMI_BOARD_NAME, "30BF"), * .ident = "HP Pavilion dv2000" * DMI_MATCH(DMI_BOARD_NAME, "30B5"), * .ident = "HP Pavilion dv5000", * DMI_MATCH(DMI_BOARD_NAME, "30A7"), * .ident = "HP Pavilion dv6300 30BC", * DMI_MATCH(DMI_BOARD_NAME, "30BC"), * .ident = "HP Pavilion dv6000", * DMI_MATCH(DMI_BOARD_NAME, "30B7"), * DMI_MATCH(DMI_BOARD_NAME, "30B8"), * .ident = "HP Pavilion dv9000", * DMI_MATCH(DMI_BOARD_NAME, "30B9"), * .ident = "HP Pavilion dv9500", * DMI_MATCH(DMI_BOARD_NAME, "30CB"), * .ident = "HP/Compaq Presario C500", * DMI_MATCH(DMI_BOARD_NAME, "30C6"), * .ident = "HP/Compaq Presario F500", * DMI_MATCH(DMI_BOARD_NAME, "30D3"), * _OSI(Linux) unknown effect: * .ident = "HP Pavilion dv6500", * DMI_MATCH(DMI_BOARD_NAME, "30D0"), */ { .callback = dmi_disable_osi_linux, .ident = "Hewlett-Packard", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), }, }, /* * Lenovo has a mix of systems OSI(Linux) situations * and thus we can not wildcard the vendor. * * _OSI(Linux) helps sound * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), * _OSI(Linux) is a NOP: * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"), */ { .callback = dmi_enable_osi_linux, .ident = "Lenovo ThinkPad R61", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), }, }, { .callback = dmi_enable_osi_linux, .ident = "Lenovo ThinkPad T61", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), }, }, { .callback = dmi_unknown_osi_linux, .ident = "Lenovo 3000 V100", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"), }, }, { .callback = dmi_disable_osi_linux, .ident = "Lenovo 3000 N100", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"), }, }, /* * Disable OSI(Linux) warnings on all "LG Electronics" * * _OSI(Linux) confirmed to be a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "P1-J150B"), */ { .callback = dmi_disable_osi_linux, .ident = "LG", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"), }, }, /* NEC - OSI(Linux) effect unknown */ { .callback = dmi_unknown_osi_linux, .ident = "NEC VERSA M360", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "NEC Computers SAS"), DMI_MATCH(DMI_PRODUCT_NAME, "NEC VERSA M360"), }, }, /* * Disable OSI(Linux) warnings on all "Samsung Electronics" * * OSI(Linux) disables PNP0C32 and other BIOS code for Windows: * DMI_MATCH(DMI_PRODUCT_NAME, "R40P/R41P"), * DMI_MATCH(DMI_PRODUCT_NAME, "R59P/R60P/R61P"), */ { .callback = dmi_disable_osi_linux, .ident = "Samsung", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), }, }, /* * Disable OSI(Linux) warnings on all "Sony Corporation" * * _OSI(Linux) is a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ650N"), * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ38GP_C"), * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-TZ21MN_N"), * _OSI(Linux) unknown effect: * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ11M"), */ { .callback = dmi_unknown_osi_linux, .ident = "Sony", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), }, }, /* * Disable OSI(Linux) warnings on all "TOSHIBA" * * _OSI(Linux) breaks sound (bugzilla 7787): * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P100"), * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P105"), * _OSI(Linux) is a NOP: * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A100"), * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A210"), * _OSI(Linux) unknown effect: * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A135"), * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A200"), * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P205"), * DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U305"), */ { .callback = dmi_disable_osi_linux, .ident = "Toshiba", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), }, }, {} }; #endif /* CONFIG_DMI */
drivers/acpi/osl.c +130 −43 Original line number Diff line number Diff line Loading @@ -77,11 +77,55 @@ static struct workqueue_struct *kacpi_notify_wq; #define OSI_STRING_LENGTH_MAX 64 /* arbitrary */ static char osi_additional_string[OSI_STRING_LENGTH_MAX]; static int osi_linux; /* disable _OSI(Linux) by default */ /* * "Ode to _OSI(Linux)" * * osi_linux -- Control response to BIOS _OSI(Linux) query. * * As Linux evolves, the features that it supports change. * So an OSI string such as "Linux" is not specific enough * to be useful across multiple versions of Linux. It * doesn't identify any particular feature, interface, * or even any particular version of Linux... * * Unfortunately, Linux-2.6.22 and earlier responded "yes" * to a BIOS _OSI(Linux) query. When * a reference mobile BIOS started using it, its use * started to spread to many vendor platforms. * As it is not supportable, we need to halt that spread. * * Today, most BIOS references to _OSI(Linux) are noise -- * they have no functional effect and are just dead code * carried over from the reference BIOS. * * The next most common case is that _OSI(Linux) harms Linux, * usually by causing the BIOS to follow paths that are * not tested during Windows validation. * * Finally, there is a short list of platforms * where OSI(Linux) benefits Linux. * * In Linux-2.6.23, OSI(Linux) is first disabled by default. * DMI is used to disable the dmesg warning about OSI(Linux) * on platforms where it is known to have no effect. * But a dmesg warning remains for systems where * we do not know if OSI(Linux) is good or bad for the system. * DMI is also used to enable OSI(Linux) for the machines * that are known to need it. * * BIOS writers should NOT query _OSI(Linux) on future systems. * It will be ignored by default, and to get Linux to * not ignore it will require a kernel source update to * add a DMI entry, or a boot-time "acpi_osi=Linux" invocation. */ #define OSI_LINUX_ENABLE 0 #ifdef CONFIG_DMI static struct __initdata dmi_system_id acpi_osl_dmi_table[]; #endif struct osi_linux { unsigned int enable:1; unsigned int dmi:1; unsigned int cmdline:1; unsigned int known:1; } osi_linux = { OSI_LINUX_ENABLE, 0, 0, 0}; static void __init acpi_request_region (struct acpi_generic_address *addr, unsigned int length, char *desc) Loading Loading @@ -133,7 +177,6 @@ device_initcall(acpi_reserve_resources); acpi_status __init acpi_os_initialize(void) { dmi_check_system(acpi_osl_dmi_table); return AE_OK; } Loading Loading @@ -964,13 +1007,37 @@ static int __init acpi_os_name_setup(char *str) __setup("acpi_os_name=", acpi_os_name_setup); static void enable_osi_linux(int enable) { static void __init set_osi_linux(unsigned int enable) { if (osi_linux.enable != enable) { osi_linux.enable = enable; printk(KERN_NOTICE PREFIX "%sed _OSI(Linux)\n", enable ? "Add": "Delet"); } return; } if (osi_linux != enable) printk(KERN_INFO PREFIX "%sabled _OSI(Linux)\n", enable ? "En": "Dis"); static void __init acpi_cmdline_osi_linux(unsigned int enable) { osi_linux.cmdline = 1; /* cmdline set the default */ set_osi_linux(enable); return; } void __init acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d) { osi_linux.dmi = 1; /* DMI knows that this box asks OSI(Linux) */ printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident); if (enable == -1) return; osi_linux.known = 1; /* DMI knows which OSI(Linux) default needed */ set_osi_linux(enable); osi_linux = enable; return; } Loading @@ -987,12 +1054,12 @@ static int __init acpi_osi_setup(char *str) printk(KERN_INFO PREFIX "_OSI method disabled\n"); acpi_gbl_create_osi_method = FALSE; } else if (!strcmp("!Linux", str)) { enable_osi_linux(0); acpi_cmdline_osi_linux(0); /* !enable */ } else if (*str == '!') { if (acpi_osi_invalidate(++str) == AE_OK) printk(KERN_INFO PREFIX "Deleted _OSI(%s)\n", str); } else if (!strcmp("Linux", str)) { enable_osi_linux(1); acpi_cmdline_osi_linux(1); /* enable */ } else if (*osi_additional_string == '\0') { strncpy(osi_additional_string, str, OSI_STRING_LENGTH_MAX); printk(KERN_INFO PREFIX "Added _OSI(%s)\n", str); Loading Loading @@ -1141,6 +1208,34 @@ acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object) return (AE_OK); } /** * acpi_dmi_dump - dump DMI slots needed for blacklist entry * * Returns 0 on success */ int acpi_dmi_dump(void) { if (!dmi_available) return -1; printk(KERN_NOTICE PREFIX "DMI System Vendor: %s\n", dmi_get_slot(DMI_SYS_VENDOR)); printk(KERN_NOTICE PREFIX "DMI Product Name: %s\n", dmi_get_slot(DMI_PRODUCT_NAME)); printk(KERN_NOTICE PREFIX "DMI Product Version: %s\n", dmi_get_slot(DMI_PRODUCT_VERSION)); printk(KERN_NOTICE PREFIX "DMI Board Name: %s\n", dmi_get_slot(DMI_BOARD_NAME)); printk(KERN_NOTICE PREFIX "DMI BIOS Vendor: %s\n", dmi_get_slot(DMI_BIOS_VENDOR)); printk(KERN_NOTICE PREFIX "DMI BIOS Date: %s\n", dmi_get_slot(DMI_BIOS_DATE)); return 0; } /****************************************************************************** * * FUNCTION: acpi_os_validate_interface Loading @@ -1160,13 +1255,29 @@ acpi_os_validate_interface (char *interface) if (!strncmp(osi_additional_string, interface, OSI_STRING_LENGTH_MAX)) return AE_OK; if (!strcmp("Linux", interface)) { printk(KERN_WARNING PREFIX "System BIOS is requesting _OSI(Linux)\n"); printk(KERN_WARNING PREFIX "If \"acpi_osi=Linux\" works better,\n" "Please send dmidecode " "to linux-acpi@vger.kernel.org\n"); if(osi_linux) printk(KERN_NOTICE PREFIX "BIOS _OSI(Linux) query %s%s\n", osi_linux.enable ? "honored" : "ignored", osi_linux.cmdline ? " via cmdline" : osi_linux.dmi ? " via DMI" : ""); if (!osi_linux.dmi) { if (acpi_dmi_dump()) printk(KERN_NOTICE PREFIX "[please extract dmidecode output]\n"); printk(KERN_NOTICE PREFIX "Please send DMI info above to " "linux-acpi@vger.kernel.org\n"); } if (!osi_linux.known && !osi_linux.cmdline) { printk(KERN_NOTICE PREFIX "If \"acpi_osi=%sLinux\" works better, " "please notify linux-acpi@vger.kernel.org\n", osi_linux.enable ? "!" : ""); } if (osi_linux.enable) return AE_OK; } return AE_SUPPORT; Loading Loading @@ -1198,28 +1309,4 @@ acpi_os_validate_address ( return AE_OK; } #ifdef CONFIG_DMI static int dmi_osi_linux(const struct dmi_system_id *d) { printk(KERN_NOTICE "%s detected: enabling _OSI(Linux)\n", d->ident); enable_osi_linux(1); return 0; } static struct dmi_system_id acpi_osl_dmi_table[] __initdata = { /* * Boxes that need _OSI(Linux) */ { .callback = dmi_osi_linux, .ident = "Intel Napa CRB", .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"), DMI_MATCH(DMI_BOARD_NAME, "MPAD-MSAE Customer Reference Boards"), }, }, {} }; #endif /* CONFIG_DMI */ #endif
drivers/firmware/dmi-id.c +0 −2 Original line number Diff line number Diff line Loading @@ -173,8 +173,6 @@ static struct device *dmi_dev; if (dmi_get_system_info(_field)) \ sys_dmi_attributes[i++] = &sys_dmi_##_name##_attr.dev_attr.attr; extern int dmi_available; /* In a separate function to keep gcc 3.2 happy - do NOT merge this in dmi_id_init! */ static void __init dmi_id_init_attr_table(void) Loading
drivers/firmware/dmi_scan.c +8 −0 Original line number Diff line number Diff line Loading @@ -470,3 +470,11 @@ int dmi_get_year(int field) return year; } /** * dmi_get_slot - return dmi_ident[slot] * @slot: index into dmi_ident[] */ char *dmi_get_slot(int slot) { return(dmi_ident[slot]); }
include/linux/acpi.h +5 −2 Original line number Diff line number Diff line Loading @@ -40,6 +40,7 @@ #include <acpi/acpi_drivers.h> #include <acpi/acpi_numa.h> #include <asm/acpi.h> #include <linux/dmi.h> #ifdef CONFIG_ACPI Loading Loading @@ -192,7 +193,9 @@ extern int ec_transaction(u8 command, #endif /*CONFIG_ACPI_EC*/ extern int acpi_blacklisted(void); extern void acpi_bios_year(char *s); #ifdef CONFIG_DMI extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); #endif #ifdef CONFIG_ACPI_NUMA int acpi_get_pxm(acpi_handle handle); Loading Loading @@ -226,5 +229,5 @@ static inline int acpi_boot_table_init(void) return 0; } #endif /* CONFIG_ACPI */ #endif /* !CONFIG_ACPI */ #endif /*_LINUX_ACPI_H*/
