From: Domen Puncer <domen.puncer@telargo.com>
Date: Tue, 3 Jul 2007 08:27:38 +0000 (+0200)
Subject: pata_mpc52xx: suspend/resume support
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=35142ddbf7d81ff3f1d9521611e734b8d5014df2;p=openwrt%2Fstaging%2Fblogic.git

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 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