diff options
Diffstat (limited to 'drivers/acpi/osi.c')
| -rw-r--r-- | drivers/acpi/osi.c | 63 |
1 files changed, 14 insertions, 49 deletions
diff --git a/drivers/acpi/osi.c b/drivers/acpi/osi.c index 723bee58bbcf..f2c943b934be 100644 --- a/drivers/acpi/osi.c +++ b/drivers/acpi/osi.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * osi.c - _OSI implementation * * Copyright (C) 2016 Intel Corporation * Author: Lv Zheng <lv.zheng@intel.com> - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ /* Uncomment next line to get verbose printout */ @@ -27,6 +14,7 @@ #include <linux/kernel.h> #include <linux/acpi.h> #include <linux/dmi.h> +#include <linux/platform_data/x86/apple.h> #include "internal.h" @@ -54,7 +42,6 @@ static struct acpi_osi_entry osi_setup_entries[OSI_STRING_ENTRIES_MAX] __initdata = { {"Module Device", true}, {"Processor Device", true}, - {"3.0 _SCP Extensions", true}, {"Processor Aggregator Device", true}, }; @@ -122,7 +109,7 @@ void __init acpi_osi_setup(char *str) break; } else if (osi->string[0] == '\0') { osi->enable = enable; - strncpy(osi->string, str, OSI_STRING_LENGTH_MAX); + strscpy(osi->string, str, OSI_STRING_LENGTH_MAX); break; } } @@ -257,12 +244,11 @@ bool acpi_osi_is_win8(void) } EXPORT_SYMBOL(acpi_osi_is_win8); -static void __init acpi_osi_dmi_darwin(bool enable, - const struct dmi_system_id *d) +static void __init acpi_osi_dmi_darwin(void) { - pr_notice("DMI detected to setup _OSI(\"Darwin\"): %s\n", d->ident); + pr_notice("DMI detected to setup _OSI(\"Darwin\"): Apple hardware\n"); osi_config.darwin_dmi = 1; - __acpi_osi_setup_darwin(enable); + __acpi_osi_setup_darwin(true); } static void __init acpi_osi_dmi_linux(bool enable, @@ -273,13 +259,6 @@ static void __init acpi_osi_dmi_linux(bool enable, __acpi_osi_setup_linux(enable); } -static int __init dmi_enable_osi_darwin(const struct dmi_system_id *d) -{ - acpi_osi_dmi_darwin(true, d); - - return 0; -} - static int __init dmi_enable_osi_linux(const struct dmi_system_id *d) { acpi_osi_dmi_linux(true, d); @@ -319,7 +298,7 @@ static int __init dmi_disable_osi_win8(const struct dmi_system_id *d) * Note that _OSI("Linux")/_OSI("Darwin") determined here can be overridden * by acpi_osi=!Linux/acpi_osi=!Darwin command line options. */ -static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { +static const struct dmi_system_id acpi_osi_dmi_table[] __initconst = { { .callback = dmi_disable_osi_vista, .ident = "Fujitsu Siemens", @@ -469,9 +448,9 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { */ /* - * Without this this EEEpc exports a non working WMI interface, with - * this it exports a working "good old" eeepc_laptop interface, fixing - * both brightness control, and rfkill not working. + * Without this EEEpc exports a non working WMI interface, with + * this it exports a working "good old" eeepc_laptop interface, + * fixing both brightness control, and rfkill not working. */ { .callback = dmi_enable_osi_linux, @@ -481,30 +460,16 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { DMI_MATCH(DMI_PRODUCT_NAME, "1015PX"), }, }, - - /* - * Enable _OSI("Darwin") for all apple platforms. - */ - { - .callback = dmi_enable_osi_darwin, - .ident = "Apple hardware", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), - }, - }, - { - .callback = dmi_enable_osi_darwin, - .ident = "Apple hardware", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Apple Computer, Inc."), - }, - }, {} }; static __init void acpi_osi_dmi_blacklisted(void) { dmi_check_system(acpi_osi_dmi_table); + + /* Enable _OSI("Darwin") for Apple platforms. */ + if (x86_apple_machine) + acpi_osi_dmi_darwin(); } int __init early_acpi_osi_init(void) |