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scsi: ufs: rockchip: Add shutdown support

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Disable vcc if it exists, so the rom code could relink the device
from the init state.

Change-Id: I4493df466f3ea60b8c7a7e3befd110311fce6f6c
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
This commit is contained in:
Shawn Lin 2024-07-03 17:11:49 +08:00 • committed by Tao Huang
commit 892834cb62
1 changed files with 11 additions and 1 deletions
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12
drivers/ufs/host/ufs-rockchip.c
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@ -615,6 +615,16 @@ static int ufs_rockchip_resume(struct device *dev)
return 0;
}
static void ufs_rockchip_shutdown(struct platform_device *pdev)
{
struct ufs_hba *hba = platform_get_drvdata(pdev);
dev_info(&pdev->dev, "shutting down...\n");
ufshcd_pltfrm_shutdown(pdev);
ufs_rockchip_device_reset(hba);
}
static const struct dev_pm_ops ufs_rockchip_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(ufs_rockchip_suspend, ufs_rockchip_resume)
SET_RUNTIME_PM_OPS(ufs_rockchip_runtime_suspend, ufs_rockchip_runtime_resume, NULL)
@ -625,7 +635,7 @@ static const struct dev_pm_ops ufs_rockchip_pm_ops = {
static struct platform_driver ufs_rockchip_pltform = {
.probe = ufs_rockchip_probe,
.remove = ufs_rockchip_remove,
.shutdown = ufshcd_pltfrm_shutdown,
.shutdown = ufs_rockchip_shutdown,
.driver = {
.name = "ufshcd-rockchip",
.pm = &ufs_rockchip_pm_ops,