Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...

[sfrench/cifs-2.6.git] / drivers / scsi / ibmvscsi / ibmvscsi.c

diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index e3a18e0ef276511e33061eb86b8cfb5f8f763241..ff5ec5ac1fb5803651dd45501b10c0e8a117cdc9 100644 (file)
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -70,7 +70,9 @@
 #include <linux/moduleparam.h>
 #include <linux/dma-mapping.h>
 #include <linux/delay.h>
+#include <linux/slab.h>
 #include <linux/of.h>
+#include <linux/pm.h>
 #include <asm/firmware.h>
 #include <asm/vio.h>
 #include <scsi/scsi.h>
@@ -1990,6 +1992,19 @@ static int ibmvscsi_remove(struct vio_dev *vdev)
        return 0;
 }
 
+/**
+ * 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 +2015,10 @@ 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 +2027,7 @@ static struct vio_driver ibmvscsi_driver = {
        .driver = {
                .name = "ibmvscsi",
                .owner = THIS_MODULE,
+               .pm = &ibmvscsi_pm_ops,
        }
 };