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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.c98
1 files changed, 26 insertions, 72 deletions
diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c
index 7db9564f5..9714f2a8b 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -38,20 +38,7 @@
#include <linux/of.h>
#include "ufshcd.h"
-
-static const struct of_device_id ufs_of_match[];
-static struct ufs_hba_variant_ops *get_variant_ops(struct device *dev)
-{
- if (dev->of_node) {
- const struct of_device_id *match;
-
- match = of_match_node(ufs_of_match, dev->of_node);
- if (match)
- return (struct ufs_hba_variant_ops *)match->data;
- }
-
- return NULL;
-}
+#include "ufshcd-pltfrm.h"
static int ufshcd_parse_clock_info(struct ufs_hba *hba)
{
@@ -245,10 +232,11 @@ out:
* Returns 0 if successful
* Returns non-zero otherwise
*/
-static int ufshcd_pltfrm_suspend(struct device *dev)
+int ufshcd_pltfrm_suspend(struct device *dev)
{
return ufshcd_system_suspend(dev_get_drvdata(dev));
}
+EXPORT_SYMBOL_GPL(ufshcd_pltfrm_suspend);
/**
* ufshcd_pltfrm_resume - resume power management function
@@ -257,43 +245,47 @@ static int ufshcd_pltfrm_suspend(struct device *dev)
* Returns 0 if successful
* Returns non-zero otherwise
*/
-static int ufshcd_pltfrm_resume(struct device *dev)
+int ufshcd_pltfrm_resume(struct device *dev)
{
return ufshcd_system_resume(dev_get_drvdata(dev));
}
+EXPORT_SYMBOL_GPL(ufshcd_pltfrm_resume);
-static int ufshcd_pltfrm_runtime_suspend(struct device *dev)
+int ufshcd_pltfrm_runtime_suspend(struct device *dev)
{
return ufshcd_runtime_suspend(dev_get_drvdata(dev));
}
-static int ufshcd_pltfrm_runtime_resume(struct device *dev)
+EXPORT_SYMBOL_GPL(ufshcd_pltfrm_runtime_suspend);
+
+int ufshcd_pltfrm_runtime_resume(struct device *dev)
{
return ufshcd_runtime_resume(dev_get_drvdata(dev));
}
-static int ufshcd_pltfrm_runtime_idle(struct device *dev)
+EXPORT_SYMBOL_GPL(ufshcd_pltfrm_runtime_resume);
+
+int ufshcd_pltfrm_runtime_idle(struct device *dev)
{
return ufshcd_runtime_idle(dev_get_drvdata(dev));
}
-#else /* !CONFIG_PM */
-#define ufshcd_pltfrm_suspend NULL
-#define ufshcd_pltfrm_resume NULL
-#define ufshcd_pltfrm_runtime_suspend NULL
-#define ufshcd_pltfrm_runtime_resume NULL
-#define ufshcd_pltfrm_runtime_idle NULL
+EXPORT_SYMBOL_GPL(ufshcd_pltfrm_runtime_idle);
+
#endif /* CONFIG_PM */
-static void ufshcd_pltfrm_shutdown(struct platform_device *pdev)
+void ufshcd_pltfrm_shutdown(struct platform_device *pdev)
{
ufshcd_shutdown((struct ufs_hba *)platform_get_drvdata(pdev));
}
+EXPORT_SYMBOL_GPL(ufshcd_pltfrm_shutdown);
/**
- * ufshcd_pltfrm_probe - probe routine of the driver
+ * ufshcd_pltfrm_init - probe routine of the driver
* @pdev: pointer to Platform device handle
+ * @vops: pointer to variant ops
*
* Returns 0 on success, non-zero value on failure
*/
-static int ufshcd_pltfrm_probe(struct platform_device *pdev)
+int ufshcd_pltfrm_init(struct platform_device *pdev,
+ struct ufs_hba_variant_ops *vops)
{
struct ufs_hba *hba;
void __iomem *mmio_base;
@@ -321,19 +313,19 @@ static int ufshcd_pltfrm_probe(struct platform_device *pdev)
goto out;
}
- hba->vops = get_variant_ops(&pdev->dev);
+ hba->vops = vops;
err = ufshcd_parse_clock_info(hba);
if (err) {
dev_err(&pdev->dev, "%s: clock parse failed %d\n",
__func__, err);
- goto out;
+ goto dealloc_host;
}
err = ufshcd_parse_regulator_info(hba);
if (err) {
dev_err(&pdev->dev, "%s: regulator init failed %d\n",
__func__, err);
- goto out;
+ goto dealloc_host;
}
pm_runtime_set_active(&pdev->dev);
@@ -352,50 +344,12 @@ static int ufshcd_pltfrm_probe(struct platform_device *pdev)
out_disable_rpm:
pm_runtime_disable(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
+dealloc_host:
+ ufshcd_dealloc_host(hba);
out:
return err;
}
-
-/**
- * ufshcd_pltfrm_remove - remove platform driver routine
- * @pdev: pointer to platform device handle
- *
- * Returns 0 on success, non-zero value on failure
- */
-static int ufshcd_pltfrm_remove(struct platform_device *pdev)
-{
- struct ufs_hba *hba = platform_get_drvdata(pdev);
-
- pm_runtime_get_sync(&(pdev)->dev);
- ufshcd_remove(hba);
- return 0;
-}
-
-static const struct of_device_id ufs_of_match[] = {
- { .compatible = "jedec,ufs-1.1"},
- {},
-};
-
-static const struct dev_pm_ops ufshcd_dev_pm_ops = {
- .suspend = ufshcd_pltfrm_suspend,
- .resume = ufshcd_pltfrm_resume,
- .runtime_suspend = ufshcd_pltfrm_runtime_suspend,
- .runtime_resume = ufshcd_pltfrm_runtime_resume,
- .runtime_idle = ufshcd_pltfrm_runtime_idle,
-};
-
-static struct platform_driver ufshcd_pltfrm_driver = {
- .probe = ufshcd_pltfrm_probe,
- .remove = ufshcd_pltfrm_remove,
- .shutdown = ufshcd_pltfrm_shutdown,
- .driver = {
- .name = "ufshcd",
- .pm = &ufshcd_dev_pm_ops,
- .of_match_table = ufs_of_match,
- },
-};
-
-module_platform_driver(ufshcd_pltfrm_driver);
+EXPORT_SYMBOL_GPL(ufshcd_pltfrm_init);
MODULE_AUTHOR("Santosh Yaragnavi <santosh.sy@samsung.com>");
MODULE_AUTHOR("Vinayak Holikatti <h.vinayak@samsung.com>");