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authorMark Brown <broonie@kernel.org>2018-06-01 11:40:46 +0100
committerMark Brown <broonie@kernel.org>2018-06-01 11:40:46 +0100
commit1e82572e5f806782cc1bf06e6d22905c28b0a9f5 (patch)
treec428a640fca2ee5c6bfe259482b941f5e0ece927 /drivers/acpi/acpica/evevent.c
parent29e8549d35499289ce6211a553f956a2ab9a3905 (diff)
parent86a04ba0955e3c806ed301cf178f1e130f1cb785 (diff)
Merge branch 'linux-linaro-lsk-v4.9' into linux-linaro-lsk-v4.9-rtlsk-v4.9-18.05-rt
Diffstat (limited to 'drivers/acpi/acpica/evevent.c')
-rw-r--r--drivers/acpi/acpica/evevent.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/evevent.c b/drivers/acpi/acpica/evevent.c
index 80fc0b9b11e5..f362841881e6 100644
--- a/drivers/acpi/acpica/evevent.c
+++ b/drivers/acpi/acpica/evevent.c
@@ -204,6 +204,7 @@ u32 acpi_ev_fixed_event_detect(void)
u32 fixed_status;
u32 fixed_enable;
u32 i;
+ acpi_status status;
ACPI_FUNCTION_NAME(ev_fixed_event_detect);
@@ -211,8 +212,12 @@ u32 acpi_ev_fixed_event_detect(void)
* Read the fixed feature status and enable registers, as all the cases
* depend on their values. Ignore errors here.
*/
- (void)acpi_hw_register_read(ACPI_REGISTER_PM1_STATUS, &fixed_status);
- (void)acpi_hw_register_read(ACPI_REGISTER_PM1_ENABLE, &fixed_enable);
+ status = acpi_hw_register_read(ACPI_REGISTER_PM1_STATUS, &fixed_status);
+ status |=
+ acpi_hw_register_read(ACPI_REGISTER_PM1_ENABLE, &fixed_enable);
+ if (ACPI_FAILURE(status)) {
+ return (int_status);
+ }
ACPI_DEBUG_PRINT((ACPI_DB_INTERRUPTS,
"Fixed Event Block: Enable %08X Status %08X\n",