| Message ID | 1357809870-18816-7-git-send-email-aaron.lu@intel.com |
|---|---|
| State | Not Applicable |
| Delegated to: | David Miller |
| Headers | show |
On Thu, Jan 10, 2013 at 05:24:27PM +0800, Aaron Lu wrote: > Expose pm qos flags to user space so that user has a chance to disable > ZPODD feature, if he/she has a broken platform or devices or simply does > not like this feature. > > This flag is exposed to user space only for ZPODD devices. > > Signed-off-by: Aaron Lu <aaron.lu@intel.com> Acked-by: Tejun Heo <tj@kernel.org> Thanks.
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 6f72c64..9709449 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -17,6 +17,7 @@ #include <linux/pci.h> #include <linux/slab.h> #include <linux/pm_runtime.h> +#include <linux/pm_qos.h> #include <scsi/scsi_device.h> #include "libata.h" @@ -1022,6 +1023,8 @@ static void ata_acpi_unregister_power_resource(struct ata_device *dev) void ata_acpi_bind(struct ata_device *dev) { ata_acpi_register_power_resource(dev); + if (zpodd_dev_enabled(dev)) + dev_pm_qos_expose_flags(&dev->sdev->sdev_gendev, 0); } void ata_acpi_unbind(struct ata_device *dev)
Expose pm qos flags to user space so that user has a chance to disable ZPODD feature, if he/she has a broken platform or devices or simply does not like this feature. This flag is exposed to user space only for ZPODD devices. Signed-off-by: Aaron Lu <aaron.lu@intel.com> --- drivers/ata/libata-acpi.c | 3 +++ 1 file changed, 3 insertions(+)