Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [PATCH][v6] ACPI / PM: Introduce efi poweroff for HW-full platforms without _S5 | Date | Thu, 21 Apr 2016 02:17:27 +0200 |
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On Tuesday, March 22, 2016 08:51:10 AM Chen Yu wrote: > The problem is Linux registers pm_power_off = efi_power_off only if > we are in hardware reduced mode. Actually, what we also want is to do > this when ACPI S5 is simply not supported on non-legacy platforms. > Since some future Intel platforms are HW-full mode where the DSDT > fails to supply an _S5 object(without SLP_TYP), we should let such > kind of platform to leverage efi runtime service to poweroff. > > This patch uses efi power off as first choice when S5 is unavailable, > even if there is a customized poweroff(driver provided, eg). > Meanwhile, the legacy platforms will not be affected because there is > no path for them to overwrite the pm_power_off to efi power off. > > Suggested-by: Len Brown <len.brown@intel.com> > Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk> > Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Applied, thanks!
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