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Commit ff24ba74 authored by Konstantin Karasyov's avatar Konstantin Karasyov Committed by Len Brown
Browse files

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 0a613902

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

Signed-off-by: default avatarKonstantin Karasyov <konstantin.a.karasyov@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 03d926f8

drivers/acpi/power.c

+0 −7
Original line number Diff line number Diff line
@@ -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);