When ODD is powered off, there is no need to do events checking, so
set the PM_QOS_FLAG_NO_POLL flag. And the flag is cleared on power on.
Signed-off-by: Aaron Lu <aaron.lu@xxxxxxxxx>
---
drivers/ata/libata-acpi.c | 3 ++-
drivers/ata/libata-zpodd.c | 3 +++
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 27a84de..61a90de 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -840,7 +840,8 @@ static int ata_acpi_choose_state(struct ata_device *dev)
if (zpodd_dev_enabled(dev)) {
if (zpodd_poweroff_ready(dev))
- dev_pm_qos_update_request(&dev->pm_qos_req, 0);
+ dev_pm_qos_update_request(&dev->pm_qos_req,
+ PM_QOS_FLAG_NO_POLL);
else
dev_pm_qos_update_request(&dev->pm_qos_req,
PM_QOS_FLAG_NO_POWER_OFF);
diff --git a/drivers/ata/libata-zpodd.c b/drivers/ata/libata-zpodd.c
index d4dbe42..a37833f 100644
--- a/drivers/ata/libata-zpodd.c
+++ b/drivers/ata/libata-zpodd.c
@@ -2,6 +2,7 @@
#include <linux/cdrom.h>
#include <linux/pm_runtime.h>
#include <scsi/scsi_device.h>
+#include <linux/pm_qos.h>
#include "libata.h"
@@ -215,6 +216,8 @@ void zpodd_post_resume(struct ata_device *dev)
zpodd->last_ready = 0;
zpodd->zp_ready = false;
+
+ dev_pm_qos_update_request(&dev->pm_qos_req, 0);
}
static void zpodd_wake_dev(acpi_handle handle, u32 event, void *context)
--
1.7.12.4
--
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