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path: root/drivers/scsi/ibmvscsi/ibmvscsi.c
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Diffstat (limited to 'drivers/scsi/ibmvscsi/ibmvscsi.c')
-rw-r--r--drivers/scsi/ibmvscsi/ibmvscsi.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index e3a18e0..dc1bcbe 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -71,6 +71,7 @@
#include <linux/dma-mapping.h>
#include <linux/delay.h>
#include <linux/of.h>
+#include <linux/pm.h>
#include <asm/firmware.h>
#include <asm/vio.h>
#include <scsi/scsi.h>
@@ -1991,6 +1992,19 @@ static int ibmvscsi_remove(struct vio_dev *vdev)
}
/**
+ * ibmvscsi_resume: Resume from suspend
+ * @dev: device struct
+ *
+ * We may have lost an interrupt across suspend/resume, so kick the
+ * interrupt handler
+ */
+static int ibmvscsi_resume(struct device *dev)
+{
+ struct ibmvscsi_host_data *hostdata = dev_get_drvdata(dev);
+ return ibmvscsi_ops->resume(hostdata);
+}
+
+/**
* ibmvscsi_device_table: Used by vio.c to match devices in the device tree we
* support.
*/
@@ -2000,6 +2014,10 @@ static struct vio_device_id ibmvscsi_device_table[] __devinitdata = {
};
MODULE_DEVICE_TABLE(vio, ibmvscsi_device_table);
+static struct dev_pm_ops ibmvscsi_pm_ops = {
+ .resume = ibmvscsi_resume
+};
+
static struct vio_driver ibmvscsi_driver = {
.id_table = ibmvscsi_device_table,
.probe = ibmvscsi_probe,
@@ -2008,6 +2026,7 @@ static struct vio_driver ibmvscsi_driver = {
.driver = {
.name = "ibmvscsi",
.owner = THIS_MODULE,
+ .pm = &ibmvscsi_pm_ops,
}
};