diff --git a/arch/arm/plat-samsung/setup-mipiphy.c b/arch/arm/plat-samsung/setup-mipiphy.c
index 683c466c0e6a..147459327601 100644
--- a/arch/arm/plat-samsung/setup-mipiphy.c
+++ b/arch/arm/plat-samsung/setup-mipiphy.c
@@ -14,24 +14,18 @@
 #include <linux/spinlock.h>
 #include <mach/regs-clock.h>
 
-static int __s5p_mipi_phy_control(struct platform_device *pdev,
-				  bool on, u32 reset)
+static int __s5p_mipi_phy_control(int id, bool on, u32 reset)
 {
 	static DEFINE_SPINLOCK(lock);
 	void __iomem *addr;
 	unsigned long flags;
-	int pid;
 	u32 cfg;
 
-	if (!pdev)
+	id = max(0, id);
+	if (id > 1)
 		return -EINVAL;
 
-	pid = (pdev->id == -1) ? 0 : pdev->id;
-
-	if (pid != 0 && pid != 1)
-		return -EINVAL;
-
-	addr = S5P_MIPI_DPHY_CONTROL(pid);
+	addr = S5P_MIPI_DPHY_CONTROL(id);
 
 	spin_lock_irqsave(&lock, flags);
 
@@ -52,12 +46,12 @@ static int __s5p_mipi_phy_control(struct platform_device *pdev,
 	return 0;
 }
 
-int s5p_csis_phy_enable(struct platform_device *pdev, bool on)
+int s5p_csis_phy_enable(int id, bool on)
 {
-	return __s5p_mipi_phy_control(pdev, on, S5P_MIPI_DPHY_SRESETN);
+	return __s5p_mipi_phy_control(id, on, S5P_MIPI_DPHY_SRESETN);
 }
 
 int s5p_dsim_phy_enable(struct platform_device *pdev, bool on)
 {
-	return __s5p_mipi_phy_control(pdev, on, S5P_MIPI_DPHY_MRESETN);
+	return __s5p_mipi_phy_control(pdev->id, on, S5P_MIPI_DPHY_MRESETN);
 }