From 407ccc65bfd2899ed008c4f8900f23ac15f75f9f Mon Sep 17 00:00:00 2001 From: "Lad, Prabhakar" Date: Tue, 2 Apr 2013 09:41:30 -0300 Subject: [PATCH] [media] davinci: vpif: add pm_runtime support Add pm_runtime support to the TI Davinci VPIF driver. Signed-off-by: Lad, Prabhakar Acked-by: Hans Verkuil Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/davinci/vpif.c | 24 ++++++------------------ 1 file changed, 6 insertions(+), 18 deletions(-) diff --git a/drivers/media/platform/davinci/vpif.c b/drivers/media/platform/davinci/vpif.c index 3bc4db8f0f27..ea82a8bd2803 100644 --- a/drivers/media/platform/davinci/vpif.c +++ b/drivers/media/platform/davinci/vpif.c @@ -23,8 +23,8 @@ #include #include #include -#include #include +#include #include #include @@ -46,8 +46,6 @@ spinlock_t vpif_lock; void __iomem *vpif_base; EXPORT_SYMBOL_GPL(vpif_base); -struct clk *vpif_clk; - /** * vpif_ch_params: video standard configuration parameters for vpif * The table must include all presets from supported subdevices. @@ -443,19 +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; @@ -463,11 +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; @@ -476,13 +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; } -- 2.30.2