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Commit a707edeb authored May 03, 2016 by Lv Zheng Committed by Rafael J. Wysocki May 05, 2016

ACPI / osi: Add acpi_osi=!! to allow reverting acpi_osi=!



This patch introduces acpi_osi=!! so that quirks may use it to revert
acpi_osi=!.

Tested-by: Lukas Wunner <lukas@wunner.de>
Tested-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

parent dbee890b

Documentation/kernel-parameters.txt

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -312,6 +312,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
	acpi_osi=!* # remove all strings		acpi_osi=!* # remove all strings
	acpi_osi=! # disable all built-in OS vendor		acpi_osi=! # disable all built-in OS vendor
	strings		strings
			acpi_osi=!! # enable all built-in OS vendor
			strings
	acpi_osi= # disable all strings		acpi_osi= # disable all strings

	'acpi_osi=!' can be used in combination with single or		'acpi_osi=!' can be used in combination with single or

drivers/acpi/osl.c

+3 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1763,6 +1763,9 @@ void __init acpi_osi_setup(char *str)
	osi->enable = false;		osi->enable = false;
	}		}
	return;		return;
			} else if (*str == '!') {
			osi_config.default_disabling = 0;
			return;
	}		}
	enable = false;		enable = false;
	}		}