ACPI: ThinkPad Z60m: usb mouse stops working after suspend to RAM

(http://www.mail-archive.com/linux-acpi@vger.kernel.org/msg05270.html):

References : http://lkml.org/lkml/2007/2/21/413
             http://lkml.org/lkml/2007/2/28/172
Submitter  : Arkadiusz Miskiewicz <arekm@maven.pl>
Caused-By  : Konstantin Karasyov <konstantin.a.karasyov@intel.com>
             commit 0a6139027f3986162233adc17285151e78b39cac

Do not disable power resources on resume even if there are no devices referencing it.

Signed-off-by: Konstantin Karasyov <konstantin.a.karasyov@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 0 insertions, 7 deletions

diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 1ef338545dfe..ccecfe0d695c 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -687,13 +687,6 @@ static int acpi_power_resume(struct acpi_device *device)
                 return result;
 
         mutex_lock(&resource->resource_lock);
-        if ((resource->state == ACPI_POWER_RESOURCE_STATE_ON) &&
-            list_empty(&resource->reference)) {
-                mutex_unlock(&resource->resource_lock);
-                result = acpi_power_off_device(device->handle, NULL);
-                return result;
-        }
-
         if ((resource->state == ACPI_POWER_RESOURCE_STATE_OFF) &&
             !list_empty(&resource->reference)) {
                 ref = container_of(resource->reference.next, struct acpi_power_reference, node);