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pata_mpc52xx: suspend/resume support

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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>
This commit is contained in:
Domen Puncer 2007-07-03 10:27:38 +02:00 committed by Jeff Garzik
parent a77720ad0a
commit 35142ddbf7
1 changed files with 16 additions and 2 deletions
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18
drivers/ata/pata_mpc52xx.c
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@ -467,13 +467,27 @@ mpc52xx_ata_remove(struct of_device *op)
static int static int
mpc52xx_ata_suspend(struct of_device *op, pm_message_t state) 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 static int
mpc52xx_ata_resume(struct of_device *op) 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 #endif