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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2020-03-25 13:54:29 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2020-03-25 14:57:27 +0300
commit0ce792d660bda990c675eaf14ce09594a9b85cbf (patch)
treead2f6424591b3aed57ee2ce8ce8e0927c0ebcf94 /drivers/acpi/sleep.c
parent243a98894dc525ad2fbeb608722fcb682be3186d (diff)
downloadlinux-0ce792d660bda990c675eaf14ce09594a9b85cbf.tar.xz
ACPICA: Allow acpi_any_gpe_status_set() to skip one GPE
The check carried out by acpi_any_gpe_status_set() is not precise enough for the suspend-to-idle implementation in Linux and in some cases it is necessary make it skip one GPE (specifically, the EC GPE) from the check to prevent a race condition leading to a premature system resume from occurring. For this reason, redefine acpi_any_gpe_status_set() to take the number of a GPE to skip as an argument. Link: https://bugzilla.kernel.org/show_bug.cgi?id=206629 Tested-by: Ondřej Caletka <ondrej@caletka.cz> Cc: 5.4+ <stable@vger.kernel.org> # 5.4+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/sleep.c')
-rw-r--r--drivers/acpi/sleep.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 22b8af33e15f..a66078644fc5 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -1019,7 +1019,7 @@ static bool acpi_s2idle_wake(void)
* status bit from unset to set between the checks with the
* status bits of all the other GPEs unset.
*/
- if (acpi_any_gpe_status_set() && !acpi_ec_dispatch_gpe())
+ if (acpi_any_gpe_status_set(U32_MAX) && !acpi_ec_dispatch_gpe())
return true;
/*