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| author | John Stultz <john.stultz@linaro.org> | 2013-09-26 23:05:54 +0400 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2013-09-26 23:05:54 +0400 |
| commit | 17deb9c2db01c7813611291d251d8c7dbdfd3c9d (patch) | |
| tree | 6e023c0be7c64de84dd51a671eb09c5c82b56615 /drivers/acpi/acpica/uteval.c | |
| parent | f4e6e1ea19737077d958f2bc6c196eb579d97544 (diff) | |
| parent | 389e067032fbb96e439abafae848dd447e4cafb4 (diff) | |
| download | linux-17deb9c2db01c7813611291d251d8c7dbdfd3c9d.tar.xz | |
Merge remote-tracking branch 'tip/timers/core' into fordlezcano/3.13/sched-clock64-conversion
Update to tip/timers/core and resolve minor conflict.
Conflicts:
drivers/clocksource/samsung_pwm_timer.c
Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'drivers/acpi/acpica/uteval.c')
| -rw-r--r-- | drivers/acpi/acpica/uteval.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c index ee83adb97b1e..4fd68971019b 100644 --- a/drivers/acpi/acpica/uteval.c +++ b/drivers/acpi/acpica/uteval.c @@ -239,7 +239,8 @@ acpi_ut_evaluate_numeric_object(char *object_name, * RETURN: Status * * DESCRIPTION: Executes _STA for selected device and stores results in - * *Flags. + * *Flags. If _STA does not exist, then the device is assumed + * to be present/functional/enabled (as per the ACPI spec). * * NOTE: Internal function, no parameter validation * @@ -257,6 +258,11 @@ acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 * flags) ACPI_BTYPE_INTEGER, &obj_desc); if (ACPI_FAILURE(status)) { if (AE_NOT_FOUND == status) { + /* + * if _STA does not exist, then (as per the ACPI specification), + * the returned flags will indicate that the device is present, + * functional, and enabled. + */ ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "_STA on %4.4s was not found, assuming device is present\n", acpi_ut_get_node_name(device_node))); |