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path: root/drivers/scsi/ufs/ufshcd-pltfrm.c
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Diffstat (limited to 'drivers/scsi/ufs/ufshcd-pltfrm.c')
-rw-r--r--drivers/scsi/ufs/ufshcd-pltfrm.c60
1 files changed, 15 insertions, 45 deletions
diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c
index dde4e6e3be70..2482bbac3681 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -225,45 +225,24 @@ out:
* ufshcd_pltfrm_suspend - suspend power management function
* @dev: pointer to device handle
*
- *
- * Returns 0
+ * Returns 0 if successful
+ * Returns non-zero otherwise
*/
static int ufshcd_pltfrm_suspend(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct ufs_hba *hba = platform_get_drvdata(pdev);
-
- /*
- * TODO:
- * 1. Call ufshcd_suspend
- * 2. Do bus specific power management
- */
-
- disable_irq(hba->irq);
-
- return 0;
+ return ufshcd_system_suspend(dev_get_drvdata(dev));
}
/**
* ufshcd_pltfrm_resume - resume power management function
* @dev: pointer to device handle
*
- * Returns 0
+ * Returns 0 if successful
+ * Returns non-zero otherwise
*/
static int ufshcd_pltfrm_resume(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct ufs_hba *hba = platform_get_drvdata(pdev);
-
- /*
- * TODO:
- * 1. Call ufshcd_resume.
- * 2. Do bus specific wake up
- */
-
- enable_irq(hba->irq);
-
- return 0;
+ return ufshcd_system_resume(dev_get_drvdata(dev));
}
#else
#define ufshcd_pltfrm_suspend NULL
@@ -273,30 +252,15 @@ static int ufshcd_pltfrm_resume(struct device *dev)
#ifdef CONFIG_PM_RUNTIME
static int ufshcd_pltfrm_runtime_suspend(struct device *dev)
{
- struct ufs_hba *hba = dev_get_drvdata(dev);
-
- if (!hba)
- return 0;
-
- return ufshcd_runtime_suspend(hba);
+ return ufshcd_runtime_suspend(dev_get_drvdata(dev));
}
static int ufshcd_pltfrm_runtime_resume(struct device *dev)
{
- struct ufs_hba *hba = dev_get_drvdata(dev);
-
- if (!hba)
- return 0;
-
- return ufshcd_runtime_resume(hba);
+ return ufshcd_runtime_resume(dev_get_drvdata(dev));
}
static int ufshcd_pltfrm_runtime_idle(struct device *dev)
{
- struct ufs_hba *hba = dev_get_drvdata(dev);
-
- if (!hba)
- return 0;
-
- return ufshcd_runtime_idle(hba);
+ return ufshcd_runtime_idle(dev_get_drvdata(dev));
}
#else /* !CONFIG_PM_RUNTIME */
#define ufshcd_pltfrm_runtime_suspend NULL
@@ -304,6 +268,11 @@ static int ufshcd_pltfrm_runtime_idle(struct device *dev)
#define ufshcd_pltfrm_runtime_idle NULL
#endif /* CONFIG_PM_RUNTIME */
+static void ufshcd_pltfrm_shutdown(struct platform_device *pdev)
+{
+ ufshcd_shutdown((struct ufs_hba *)platform_get_drvdata(pdev));
+}
+
/**
* ufshcd_pltfrm_probe - probe routine of the driver
* @pdev: pointer to Platform device handle
@@ -404,6 +373,7 @@ static const struct dev_pm_ops ufshcd_dev_pm_ops = {
static struct platform_driver ufshcd_pltfrm_driver = {
.probe = ufshcd_pltfrm_probe,
.remove = ufshcd_pltfrm_remove,
+ .shutdown = ufshcd_pltfrm_shutdown,
.driver = {
.name = "ufshcd",
.owner = THIS_MODULE,