1 files changed, 17 insertions, 50 deletions

diff --git a/drivers/media/platform/davinci/vpif.c b/drivers/media/platform/davinci/vpif.c
index 3bc4db8f0f2..cd08e524838 100644
--- a/drivers/media/platform/davinci/vpif.c
+++ b/drivers/media/platform/davinci/vpif.c
@@ -17,37 +17,31 @@
  * GNU General Public License for more details.
  */
 
+#include <linux/err.h>
 #include <linux/init.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
 #include <linux/spinlock.h>
-#include <linux/kernel.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-#include <linux/err.h>
 #include <linux/v4l2-dv-timings.h>
 
-#include <mach/hardware.h>
-
 #include "vpif.h"
 
 MODULE_DESCRIPTION("TI DaVinci Video Port Interface driver");
 MODULE_LICENSE("GPL");
 
-#define VPIF_CH0_MAX_MODES	(22)
-#define VPIF_CH1_MAX_MODES	(02)
-#define VPIF_CH2_MAX_MODES	(15)
-#define VPIF_CH3_MAX_MODES	(02)
+#define VPIF_CH0_MAX_MODES	22
+#define VPIF_CH1_MAX_MODES	2
+#define VPIF_CH2_MAX_MODES	15
+#define VPIF_CH3_MAX_MODES	2
 
-static resource_size_t	res_len;
-static struct resource	*res;
 spinlock_t vpif_lock;
 
 void __iomem *vpif_base;
 EXPORT_SYMBOL_GPL(vpif_base);
 
-struct clk *vpif_clk;
-
 /**
  * vpif_ch_params: video standard configuration parameters for vpif
  * The table must include all presets from supported subdevices.
@@ -425,64 +419,37 @@ EXPORT_SYMBOL(vpif_channel_getfid);
 
 static int vpif_probe(struct platform_device *pdev)
 {
-	int status = 0;
+	static struct resource	*res;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENOENT;
+	vpif_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(vpif_base))
+		return PTR_ERR(vpif_base);
 
-	res_len = resource_size(res);
-
-	res = request_mem_region(res->start, res_len, res->name);
-	if (!res)
-		return -EBUSY;
-
-	vpif_base = ioremap(res->start, res_len);
-	if (!vpif_base) {
-		status = -EBUSY;
-		goto fail;
-	}
-
-	vpif_clk = clk_get(&pdev->dev, "vpif");
-	if (IS_ERR(vpif_clk)) {
-		status = PTR_ERR(vpif_clk);
-		goto clk_fail;
-	}
-	clk_prepare_enable(vpif_clk);
+	pm_runtime_enable(&pdev->dev);
+	pm_runtime_get(&pdev->dev);
 
 	spin_lock_init(&vpif_lock);
 	dev_info(&pdev->dev, "vpif probe success\n");
 	return 0;
-
-clk_fail:
-	iounmap(vpif_base);
-fail:
-	release_mem_region(res->start, res_len);
-	return status;
 }
 
 static int vpif_remove(struct platform_device *pdev)
 {
-	if (vpif_clk) {
-		clk_disable_unprepare(vpif_clk);
-		clk_put(vpif_clk);
-	}
-
-	iounmap(vpif_base);
-	release_mem_region(res->start, res_len);
+	pm_runtime_disable(&pdev->dev);
 	return 0;
 }
 
 #ifdef CONFIG_PM
 static int vpif_suspend(struct device *dev)
 {
-	clk_disable_unprepare(vpif_clk);
+	pm_runtime_put(dev);
 	return 0;
 }
 
 static int vpif_resume(struct device *dev)
 {
-	clk_prepare_enable(vpif_clk);
+	pm_runtime_get(dev);
 	return 0;
 }