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 0a6139027f
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>
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@ -687,13 +687,6 @@ static int acpi_power_resume(struct acpi_device *device)
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return result;
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mutex_lock(&resource->resource_lock);
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if ((resource->state == ACPI_POWER_RESOURCE_STATE_ON) &&
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list_empty(&resource->reference)) {
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mutex_unlock(&resource->resource_lock);
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result = acpi_power_off_device(device->handle, NULL);
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return result;
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}
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if ((resource->state == ACPI_POWER_RESOURCE_STATE_OFF) &&
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!list_empty(&resource->reference)) {
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ref = container_of(resource->reference.next, struct acpi_power_reference, node);
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