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sata_mv: add power management support for the platform driver 

Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
hifive-unleashed-5.1
Saeed Bishara 2009-12-06 18:26:19 +02:00 committed by Jeff Garzik
parent c77a2f4e6b
commit 6481f2b52c
1 changed files with 43 additions and 0 deletions
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43
drivers/ata/sata_mv.c 100644 → 100755
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@ -4112,9 +4112,52 @@ static int __devexit mv_platform_remove(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_PM
static int mv_platform_suspend(struct platform_device *pdev, pm_message_t state)
{
struct ata_host *host = dev_get_drvdata(&pdev->dev);
if (host)
return ata_host_suspend(host, state);
else
return 0;
}
static int mv_platform_resume(struct platform_device *pdev)
{
struct ata_host *host = dev_get_drvdata(&pdev->dev);
int ret;
if (host) {
struct mv_host_priv *hpriv = host->private_data;
const struct mv_sata_platform_data *mv_platform_data = \
pdev->dev.platform_data;
/*
* (Re-)program MBUS remapping windows if we are asked to.
*/
if (mv_platform_data->dram != NULL)
mv_conf_mbus_windows(hpriv, mv_platform_data->dram);
/* initialize adapter */
ret = mv_init_host(host, chip_soc);
if (ret) {
printk(KERN_ERR DRV_NAME ": Error during HW init\n");
return ret;
}
ata_host_resume(host);
}
return 0;
}
#else
#define mv_platform_suspend NULL
#define mv_platform_resume NULL
#endif
static struct platform_driver mv_platform_driver = {
.probe = mv_platform_probe,
.remove = __devexit_p(mv_platform_remove),
.suspend = mv_platform_suspend,
.resume = mv_platform_resume,
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,