diff options
Diffstat (limited to 'drivers/media/platform/davinci/vpif.c')
| -rw-r--r-- | drivers/media/platform/davinci/vpif.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/drivers/media/platform/davinci/vpif.c b/drivers/media/platform/davinci/vpif.c index 28638a86f129..ea82a8bd2803 100644 --- a/drivers/media/platform/davinci/vpif.c +++ b/drivers/media/platform/davinci/vpif.c @@ -23,8 +23,8 @@ #include <linux/spinlock.h> #include <linux/kernel.h> #include <linux/io.h> -#include <linux/clk.h> #include <linux/err.h> +#include <linux/pm_runtime.h> #include <linux/v4l2-dv-timings.h> #include <mach/hardware.h> @@ -44,13 +44,13 @@ static struct resource *res; spinlock_t vpif_lock; void __iomem *vpif_base; -struct clk *vpif_clk; +EXPORT_SYMBOL_GPL(vpif_base); /** - * ch_params: video standard configuration parameters for vpif + * vpif_ch_params: video standard configuration parameters for vpif * The table must include all presets from supported subdevices. */ -const struct vpif_channel_config_params ch_params[] = { +const struct vpif_channel_config_params vpif_ch_params[] = { /* HDTV formats */ { .name = "480p59_94", @@ -220,8 +220,10 @@ const struct vpif_channel_config_params ch_params[] = { .stdid = V4L2_STD_625_50, }, }; +EXPORT_SYMBOL_GPL(vpif_ch_params); -const unsigned int vpif_ch_params_count = ARRAY_SIZE(ch_params); +const unsigned int vpif_ch_params_count = ARRAY_SIZE(vpif_ch_params); +EXPORT_SYMBOL_GPL(vpif_ch_params_count); static inline void vpif_wr_bit(u32 reg, u32 bit, u32 val) { @@ -439,19 +441,13 @@ static int vpif_probe(struct platform_device *pdev) goto fail; } - vpif_clk = clk_get(&pdev->dev, "vpif"); - if (IS_ERR(vpif_clk)) { - status = PTR_ERR(vpif_clk); - goto clk_fail; - } - clk_prepare_enable(vpif_clk); + pm_runtime_enable(&pdev->dev); + pm_runtime_get(&pdev->dev); spin_lock_init(&vpif_lock); dev_info(&pdev->dev, "vpif probe success\n"); return 0; -clk_fail: - iounmap(vpif_base); fail: release_mem_region(res->start, res_len); return status; @@ -459,11 +455,7 @@ fail: static int vpif_remove(struct platform_device *pdev) { - if (vpif_clk) { - clk_disable_unprepare(vpif_clk); - clk_put(vpif_clk); - } - + pm_runtime_disable(&pdev->dev); iounmap(vpif_base); release_mem_region(res->start, res_len); return 0; @@ -472,13 +464,13 @@ static int vpif_remove(struct platform_device *pdev) #ifdef CONFIG_PM static int vpif_suspend(struct device *dev) { - clk_disable_unprepare(vpif_clk); + pm_runtime_put(dev); return 0; } static int vpif_resume(struct device *dev) { - clk_prepare_enable(vpif_clk); + pm_runtime_get(dev); return 0; } |