diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-12-22 22:46:24 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-12-22 22:46:24 +0000 |
| commit | 25cf0398bdf365d027e171116aa4a281e9cd3c1c (patch) | |
| tree | a8be3d3d314625a376be0e62c67809dc22274dd4 /drivers/acpi/power.c | |
| parent | 9326845f45650f6af9953a4b6a31e89b54fab82f (diff) | |
| parent | 59bdd133561a432c4655146e283caf85fa64c2fb (diff) | |
Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into devel-stable
Diffstat (limited to 'drivers/acpi/power.c')
| -rw-r--r-- | drivers/acpi/power.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 67dedeed144c..4c9c2fb5d98f 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -213,11 +213,13 @@ static int acpi_power_on(acpi_handle handle) resource->name)); } else { result = __acpi_power_on(resource); + if (result) + resource->ref_count--; } mutex_unlock(&resource->resource_lock); - return 0; + return result; } static int acpi_power_off_device(acpi_handle handle) @@ -465,10 +467,12 @@ int acpi_power_transition(struct acpi_device *device, int state) struct acpi_handle_list *tl = NULL; /* Target Resources */ int i = 0; - if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3)) return -EINVAL; + if (device->power.state == state) + return 0; + if ((device->power.state < ACPI_STATE_D0) || (device->power.state > ACPI_STATE_D3)) return -ENODEV; @@ -488,10 +492,6 @@ int acpi_power_transition(struct acpi_device *device, int state) goto end; } - if (device->power.state == state) { - goto end; - } - /* * Then we dereference all power resources used in the current list. */ |