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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-03-25 11:54:29 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-03-25 12:57:27 +0100 |
| commit | 0ce792d660bda990c675eaf14ce09594a9b85cbf (patch) | |
| tree | ad2f6424591b3aed57ee2ce8ce8e0927c0ebcf94 /drivers/acpi/sleep.c | |
| parent | 243a98894dc525ad2fbeb608722fcb682be3186d (diff) | |
| download | linux-0ce792d660bda990c675eaf14ce09594a9b85cbf.tar.gz | |
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.c | 2 |
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; /* |