p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[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>
This commit is contained in:
Marek Szyprowski 2016-11-16 07:04:54 -02:00 committed by Mauro Carvalho Chehab
parent 8accb8fdf6
commit 7e55a016fa
3 changed files with 5 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/media/platform/s5p-mfc/s5p_mfc.c
View File

@ -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 = {

1
drivers/media/platform/s5p-mfc/s5p_mfc_common.h
View File

@ -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;
};

30
drivers/media/platform/s5p-mfc/s5p_mfc_pm.c
View File

@ -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
}