mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 19:29:37 +00:00
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>
This commit is contained in:
parent
c77a2f4e6b
commit
6481f2b52c
1 changed files with 43 additions and 0 deletions
43
drivers/ata/sata_mv.c
Normal file → Executable file
43
drivers/ata/sata_mv.c
Normal file → Executable file
|
@ -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,
|
||||
|
|
Loading…
Reference in a new issue