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authorMarek Szyprowski <m.szyprowski@samsung.com>2016-11-16 12:04:54 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-11-30 14:19:17 +0300
commit7e55a016fac080118a634179405c821c31d8bd2e (patch)
tree42c6f3faf947243a85ac1c6bccf1ee4cd05e4e37 /drivers/media
parent8accb8fdf6ea6e1e4eb513e88e06d629ed01103b (diff)
downloadlinux-7e55a016fac080118a634179405c821c31d8bd2e.tar.xz
[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: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/platform/s5p-mfc/s5p_mfc.c22
-rw-r--r--drivers/media/platform/s5p-mfc/s5p_mfc_common.h1
-rw-r--r--drivers/media/platform/s5p-mfc/s5p_mfc_pm.c30
3 files changed, 5 insertions, 48 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 991649111e77..b34ccbefbb02 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/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 = {
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
index c068ee3ece6e..58b15c212dd2 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
+++ b/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;
};
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c b/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
index 818c04646061..11a918eb7564 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
+++ b/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
}