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| author | Zhao Yakui <yakui.zhao@intel.com> | 2008-08-11 14:54:16 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-10-22 17:59:36 -0400 |
| commit | eab4b645769fa2f8703f5a3cb0cc4ac090d347af (patch) | |
| tree | 50c488ec8c020223af71931fe35d872de3c02ade | |
| parent | a51e145f379ae48003129610922595893e8efde0 (diff) | |
| download | lwn-eab4b645769fa2f8703f5a3cb0cc4ac090d347af.tar.gz lwn-eab4b645769fa2f8703f5a3cb0cc4ac090d347af.zip | |
ACPI: Attach the ACPI device to the ACPI handle as early as possible
Attach the ACPI device to the ACPI handle as early as possible so that OS
can get the corresponding ACPI device by the acpi handle in the course
of getting the power/wakeup/performance flags.
http://bugzilla.kernel.org/show_bug.cgi?id=8049
http://bugzilla.kernel.org/show_bug.cgi?id=11000
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
| -rw-r--r-- | drivers/acpi/scan.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 308ddb1c207c..ad0679843bd5 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1253,6 +1253,16 @@ acpi_add_single_object(struct acpi_device **child, acpi_device_set_id(device, parent, handle, type); /* + * The ACPI device is attached to acpi handle before getting + * the power/wakeup/peformance flags. Otherwise OS can't get + * the corresponding ACPI device by the acpi handle in the course + * of getting the power/wakeup/performance flags. + */ + result = acpi_device_set_context(device, type); + if (result) + goto end; + + /* * Power Management * ---------------- */ @@ -1282,8 +1292,6 @@ acpi_add_single_object(struct acpi_device **child, goto end; } - if ((result = acpi_device_set_context(device, type))) - goto end; result = acpi_device_register(device, parent); |