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path: root/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c
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Diffstat (limited to 'drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c')
-rw-r--r--drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c51
1 files changed, 19 insertions, 32 deletions
diff --git a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c
index 187849841a28..ae4241408383 100644
--- a/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c
+++ b/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_pm.c
@@ -14,17 +14,11 @@
#include "s5p_mfc_debug.h"
#include "s5p_mfc_pm.h"
-static struct s5p_mfc_pm *pm;
-static struct s5p_mfc_dev *p_dev;
-static atomic_t clk_ref;
-
int s5p_mfc_init_pm(struct s5p_mfc_dev *dev)
{
+ struct s5p_mfc_pm *pm = &dev->pm;
int i;
- pm = &dev->pm;
- p_dev = dev;
-
pm->num_clocks = dev->variant->num_clocks;
pm->clk_names = dev->variant->clk_names;
pm->device = &dev->plat_dev->dev;
@@ -49,70 +43,63 @@ int s5p_mfc_init_pm(struct s5p_mfc_dev *dev)
pm->clock_gate = pm->clocks[0];
pm_runtime_enable(pm->device);
- atomic_set(&clk_ref, 0);
return 0;
}
void s5p_mfc_final_pm(struct s5p_mfc_dev *dev)
{
- pm_runtime_disable(pm->device);
+ pm_runtime_disable(dev->pm.device);
}
-int s5p_mfc_clock_on(void)
+int s5p_mfc_clock_on(struct s5p_mfc_dev *dev)
{
- atomic_inc(&clk_ref);
- mfc_debug(3, "+ %d\n", atomic_read(&clk_ref));
-
- return clk_enable(pm->clock_gate);
+ return clk_enable(dev->pm.clock_gate);
}
-void s5p_mfc_clock_off(void)
+void s5p_mfc_clock_off(struct s5p_mfc_dev *dev)
{
- atomic_dec(&clk_ref);
- mfc_debug(3, "- %d\n", atomic_read(&clk_ref));
-
- clk_disable(pm->clock_gate);
+ clk_disable(dev->pm.clock_gate);
}
-int s5p_mfc_power_on(void)
+int s5p_mfc_power_on(struct s5p_mfc_dev *dev)
{
int i, ret = 0;
- ret = pm_runtime_resume_and_get(pm->device);
+ ret = pm_runtime_resume_and_get(dev->pm.device);
if (ret < 0)
return ret;
/* clock control */
- for (i = 0; i < pm->num_clocks; i++) {
- ret = clk_prepare_enable(pm->clocks[i]);
+ for (i = 0; i < dev->pm.num_clocks; i++) {
+ ret = clk_prepare_enable(dev->pm.clocks[i]);
if (ret < 0) {
mfc_err("clock prepare failed for clock: %s\n",
- pm->clk_names[i]);
+ dev->pm.clk_names[i]);
goto err;
}
}
/* prepare for software clock gating */
- clk_disable(pm->clock_gate);
+ clk_disable(dev->pm.clock_gate);
return 0;
err:
while (--i >= 0)
- clk_disable_unprepare(pm->clocks[i]);
- pm_runtime_put(pm->device);
+ clk_disable_unprepare(dev->pm.clocks[i]);
+ pm_runtime_put(dev->pm.device);
return ret;
}
-int s5p_mfc_power_off(void)
+int s5p_mfc_power_off(struct s5p_mfc_dev *dev)
{
int i;
/* finish software clock gating */
- clk_enable(pm->clock_gate);
+ clk_enable(dev->pm.clock_gate);
- for (i = 0; i < pm->num_clocks; i++)
- clk_disable_unprepare(pm->clocks[i]);
+ for (i = 0; i < dev->pm.num_clocks; i++)
+ clk_disable_unprepare(dev->pm.clocks[i]);
- return pm_runtime_put_sync(pm->device);
+ return pm_runtime_put_sync(dev->pm.device);
}