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path: root/drivers/scsi/ufs/ufshcd-pci.c
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Diffstat (limited to 'drivers/scsi/ufs/ufshcd-pci.c')
-rw-r--r--drivers/scsi/ufs/ufshcd-pci.c57
1 files changed, 20 insertions, 37 deletions
diff --git a/drivers/scsi/ufs/ufshcd-pci.c b/drivers/scsi/ufs/ufshcd-pci.c
index c007a7a69c28..955ed5587011 100644
--- a/drivers/scsi/ufs/ufshcd-pci.c
+++ b/drivers/scsi/ufs/ufshcd-pci.c
@@ -43,34 +43,24 @@
* @pdev: pointer to PCI device handle
* @state: power state
*
- * Returns -ENOSYS
+ * Returns 0 if successful
+ * Returns non-zero otherwise
*/
static int ufshcd_pci_suspend(struct device *dev)
{
- /*
- * TODO:
- * 1. Call ufshcd_suspend
- * 2. Do bus specific power management
- */
-
- return -ENOSYS;
+ return ufshcd_system_suspend(dev_get_drvdata(dev));
}
/**
* ufshcd_pci_resume - resume power management function
* @pdev: pointer to PCI device handle
*
- * Returns -ENOSYS
+ * Returns 0 if successful
+ * Returns non-zero otherwise
*/
static int ufshcd_pci_resume(struct device *dev)
{
- /*
- * TODO:
- * 1. Call ufshcd_resume.
- * 2. Do bus specific wake up
- */
-
- return -ENOSYS;
+ return ufshcd_system_resume(dev_get_drvdata(dev));
}
#else
#define ufshcd_pci_suspend NULL
@@ -80,30 +70,15 @@ static int ufshcd_pci_resume(struct device *dev)
#ifdef CONFIG_PM_RUNTIME
static int ufshcd_pci_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_pci_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_pci_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_pci_runtime_suspend NULL
@@ -117,7 +92,7 @@ static int ufshcd_pci_runtime_idle(struct device *dev)
*/
static void ufshcd_pci_shutdown(struct pci_dev *pdev)
{
- ufshcd_hba_stop((struct ufs_hba *)pci_get_drvdata(pdev));
+ ufshcd_shutdown((struct ufs_hba *)pci_get_drvdata(pdev));
}
/**
@@ -164,7 +139,15 @@ ufshcd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mmio_base = pcim_iomap_table(pdev)[0];
- err = ufshcd_init(&pdev->dev, &hba, mmio_base, pdev->irq);
+ err = ufshcd_alloc_host(&pdev->dev, &hba);
+ if (err) {
+ dev_err(&pdev->dev, "Allocation failed\n");
+ return err;
+ }
+
+ INIT_LIST_HEAD(&hba->clk_list_head);
+
+ err = ufshcd_init(hba, mmio_base, pdev->irq);
if (err) {
dev_err(&pdev->dev, "Initialization failed\n");
return err;
@@ -185,7 +168,7 @@ static const struct dev_pm_ops ufshcd_pci_pm_ops = {
.runtime_idle = ufshcd_pci_runtime_idle,
};
-static DEFINE_PCI_DEVICE_TABLE(ufshcd_pci_tbl) = {
+static const struct pci_device_id ufshcd_pci_tbl[] = {
{ PCI_VENDOR_ID_SAMSUNG, 0xC00C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
{ } /* terminate list */
};