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authorDomen Puncer <domen.puncer@telargo.com>2007-07-03 12:27:38 +0400
committerJeff Garzik <jeff@garzik.org>2007-07-11 05:14:20 +0400
commit35142ddbf7d81ff3f1d9521611e734b8d5014df2 (patch)
tree2cad95f5a9d3896d9ead31ffe5407bc7a9185912 /drivers/ata/pata_mpc52xx.c
parenta77720ad0a4049e4bc6355e4febf899966a48222 (diff)
downloadlinux-35142ddbf7d81ff3f1d9521611e734b8d5014df2.tar.xz
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>
Diffstat (limited to 'drivers/ata/pata_mpc52xx.c')
-rw-r--r--drivers/ata/pata_mpc52xx.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index 368fac7d168b..182e83c9047b 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -467,13 +467,27 @@ mpc52xx_ata_remove(struct of_device *op)
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