github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-09-22 12:44:03 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

ACPI: APEI: Fix ERST timeout unit conversion

Browse Source 
The ACPI specification defines bits 63:32 returned by
GET_EXECUTE_OPERATION_TIMINGS as the maximum execution time in
microseconds. erst_get_timeout() instead multiplies the value by
NSEC_PER_MSEC.

Use NSEC_PER_USEC to express the firmware-provided microsecond timeout
in the nanosecond units expected by erst_timedout().

Fixes: fac475aab7 ("ACPI: APEI: Use ERST timeout for slow devices")
Cc: stable@vger.kernel.org
Signed-off-by: Nirmoy Das <nirmoyd@nvidia.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Link: https://patch.msgid.link/20260721182551.2434933-1-nirmoyd@nvidia.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Nirmoy Das 2026-07-21 11:25:51 -07:00 committed by Rafael J. Wysocki
parent 903308ea40
commit a685d8eea4
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/acpi/apei/erst.c
View File

@ -108,7 +108,7 @@ static inline u64 erst_get_timeout(void)
if (erst_erange.attr & ERST_RANGE_SLOW) {
timeout = ((erst_erange.timings & ERST_EXEC_TIMING_MAX_MASK) >>
ERST_EXEC_TIMING_MAX_SHIFT) * NSEC_PER_MSEC;
ERST_EXEC_TIMING_MAX_SHIFT) * NSEC_PER_USEC;
if (timeout < FIRMWARE_TIMEOUT)
timeout = FIRMWARE_TIMEOUT;
}