[media] s5p-mfc: Remove dead conditional code

CONFIG_PM is always enabled on Exynos platforms, so remove dead code
related to early development of MFC driver on platform without PM support.
Signed-off-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/s5p-mfc/s5p_mfc.c

@@ -1405,31 +1405,9 @@ static int s5p_mfc_resume(struct device *dev)
 }
 #endif
 
-#ifdef CONFIG_PM
-static int s5p_mfc_runtime_suspend(struct device *dev)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-	struct s5p_mfc_dev *m_dev = platform_get_drvdata(pdev);
-
-	atomic_set(&m_dev->pm.power, 0);
-	return 0;
-}
-
-static int s5p_mfc_runtime_resume(struct device *dev)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-	struct s5p_mfc_dev *m_dev = platform_get_drvdata(pdev);
-
-	atomic_set(&m_dev->pm.power, 1);
-	return 0;
-}
-#endif
-
 /* Power management */
 static const struct dev_pm_ops s5p_mfc_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(s5p_mfc_suspend, s5p_mfc_resume)
-	SET_RUNTIME_PM_OPS(s5p_mfc_runtime_suspend, s5p_mfc_runtime_resume,
-			   NULL)
 };
 
 static struct s5p_mfc_buf_size_v5 mfc_buf_size_v5 = {

drivers/media/platform/s5p-mfc/s5p_mfc_common.h

@@ -200,7 +200,6 @@ struct s5p_mfc_pm {
 	struct clk	*clock;
 	struct clk	*clock_gate;
 	bool		use_clock_gating;
-	atomic_t	power;
 	struct device	*device;
 };
 

drivers/media/platform/s5p-mfc/s5p_mfc_pm.c

@@ -21,14 +21,9 @@
 #define MFC_GATE_CLK_NAME	"mfc"
 #define MFC_SCLK_NAME		"sclk_mfc"
 
-#define CLK_DEBUG
-
 static struct s5p_mfc_pm *pm;
 static struct s5p_mfc_dev *p_dev;
-
-#ifdef CLK_DEBUG
 static atomic_t clk_ref;
-#endif
 
 int s5p_mfc_init_pm(struct s5p_mfc_dev *dev)
 {
@@ -64,14 +59,10 @@ int s5p_mfc_init_pm(struct s5p_mfc_dev *dev)
 		}
 	}
 
-	atomic_set(&pm->power, 0);
-#ifdef CONFIG_PM
 	pm->device = &dev->plat_dev->dev;
 	pm_runtime_enable(pm->device);
-#endif
-#ifdef CLK_DEBUG
 	atomic_set(&clk_ref, 0);
-#endif
+
 	return 0;
 
 err_s_clk:
@@ -95,18 +86,16 @@ void s5p_mfc_final_pm(struct s5p_mfc_dev *dev)
 	clk_unprepare(pm->clock_gate);
 	clk_put(pm->clock_gate);
 	pm->clock_gate = NULL;
-#ifdef CONFIG_PM
 	pm_runtime_disable(pm->device);
-#endif
 }
 
 int s5p_mfc_clock_on(void)
 {
 	int ret = 0;
-#ifdef CLK_DEBUG
+
 	atomic_inc(&clk_ref);
 	mfc_debug(3, "+ %d\n", atomic_read(&clk_ref));
-#endif
+
 	if (!pm->use_clock_gating)
 		return 0;
 	if (!IS_ERR_OR_NULL(pm->clock_gate))
@@ -116,10 +105,9 @@ int s5p_mfc_clock_on(void)
 
 void s5p_mfc_clock_off(void)
 {
-#ifdef CLK_DEBUG
 	atomic_dec(&clk_ref);
 	mfc_debug(3, "- %d\n", atomic_read(&clk_ref));
-#endif
+
 	if (!pm->use_clock_gating)
 		return;
 	if (!IS_ERR_OR_NULL(pm->clock_gate))
@@ -130,13 +118,10 @@ int s5p_mfc_power_on(void)
 {
 	int ret = 0;
 
-#ifdef CONFIG_PM
 	ret = pm_runtime_get_sync(pm->device);
 	if (ret)
 		return ret;
-#else
-	atomic_set(&pm->power, 1);
-#endif
+
 	if (!pm->use_clock_gating && !IS_ERR_OR_NULL(pm->clock_gate))
 		ret = clk_enable(pm->clock_gate);
 	return ret;
@@ -146,12 +131,7 @@ int s5p_mfc_power_off(void)
 {
 	if (!pm->use_clock_gating && !IS_ERR_OR_NULL(pm->clock_gate))
 		clk_disable(pm->clock_gate);
-#ifdef CONFIG_PM
 	return pm_runtime_put_sync(pm->device);
-#else
-	atomic_set(&pm->power, 0);
-	return 0;
-#endif
 }