diff --git a/drivers/staging/media/omap4iss/iss.c b/drivers/staging/media/omap4iss/iss.c
index 3103093f843d..043a3f3b2426 100644
--- a/drivers/staging/media/omap4iss/iss.c
+++ b/drivers/staging/media/omap4iss/iss.c
@@ -836,7 +836,7 @@ int omap4iss_subclk_disable(struct iss_device *iss,
 				 ISP5_CTRL_IPIPE_CLK_ENABLE |\
 				 ISP5_CTRL_IPIPEIF_CLK_ENABLE)
 
-static int __iss_isp_subclk_update(struct iss_device *iss)
+static void __iss_isp_subclk_update(struct iss_device *iss)
 {
 	u32 clk = 0;
 
@@ -861,24 +861,22 @@ static int __iss_isp_subclk_update(struct iss_device *iss)
 	writel((readl(iss->regs[OMAP4_ISS_MEM_ISP_SYS1] + ISP5_CTRL) &
 		~ISS_ISP5_CLKCTRL_MASK) | clk,
 		iss->regs[OMAP4_ISS_MEM_ISP_SYS1] + ISP5_CTRL);
-
-	return 0;
 }
 
-int omap4iss_isp_subclk_enable(struct iss_device *iss,
+void omap4iss_isp_subclk_enable(struct iss_device *iss,
 				enum iss_isp_subclk_resource res)
 {
 	iss->isp_subclk_resources |= res;
 
-	return __iss_isp_subclk_update(iss);
+	__iss_isp_subclk_update(iss);
 }
 
-int omap4iss_isp_subclk_disable(struct iss_device *iss,
-				enum iss_isp_subclk_resource res)
+void omap4iss_isp_subclk_disable(struct iss_device *iss,
+				 enum iss_isp_subclk_resource res)
 {
 	iss->isp_subclk_resources &= ~res;
 
-	return __iss_isp_subclk_update(iss);
+	__iss_isp_subclk_update(iss);
 }
 
 /*
diff --git a/drivers/staging/media/omap4iss/iss.h b/drivers/staging/media/omap4iss/iss.h
index cc24f1ae17c6..f33664d1d7cf 100644
--- a/drivers/staging/media/omap4iss/iss.h
+++ b/drivers/staging/media/omap4iss/iss.h
@@ -136,10 +136,10 @@ int omap4iss_subclk_enable(struct iss_device *iss,
 			   enum iss_subclk_resource res);
 int omap4iss_subclk_disable(struct iss_device *iss,
 			    enum iss_subclk_resource res);
-int omap4iss_isp_subclk_enable(struct iss_device *iss,
-				enum iss_isp_subclk_resource res);
-int omap4iss_isp_subclk_disable(struct iss_device *iss,
+void omap4iss_isp_subclk_enable(struct iss_device *iss,
 				enum iss_isp_subclk_resource res);
+void omap4iss_isp_subclk_disable(struct iss_device *iss,
+				 enum iss_isp_subclk_resource res);
 
 void omap4iss_isp_enable_interrupts(struct iss_device *iss);
 void omap4iss_isp_disable_interrupts(struct iss_device *iss);