pata_mpc52xx: suspend/resume support
Implement suspend and resume routines for mpc52xx ata driver.
Tested on Lite5200b with deep-sleep and low-power (not yet in-tree)
modes.
Signed-off-by: Domen Puncer <domen.puncer@telargo.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index 368fac7..182e83c 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -467,13 +467,27 @@
static int
mpc52xx_ata_suspend(struct of_device *op, pm_message_t state)
{
- return 0; /* FIXME : What to do here ? */
+ struct ata_host *host = dev_get_drvdata(&op->dev);
+
+ return ata_host_suspend(host, state);
}
static int
mpc52xx_ata_resume(struct of_device *op)
{
- return 0; /* FIXME : What to do here ? */
+ struct ata_host *host = dev_get_drvdata(&op->dev);
+ struct mpc52xx_ata_priv *priv = host->private_data;
+ int rv;
+
+ rv = mpc52xx_ata_hw_init(priv);
+ if (rv) {
+ printk(KERN_ERR DRV_NAME ": Error during HW init\n");
+ return rv;
+ }
+
+ ata_host_resume(host);
+
+ return 0;
}
#endif