From 561d5d78cb03fe08519a166594820c5a70f3931c Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Fri, 25 May 2012 20:14:48 -0300 Subject: [PATCH] [media] video: mx2_camera: Use clk_prepare_enable/clk_disable_unprepare Prepare the clock before enabling it. Cc: Guennadi Liakhovetski Cc: Signed-off-by: Fabio Estevam Signed-off-by: Guennadi Liakhovetski Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/mx2_camera.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/media/platform/mx2_camera.c b/drivers/media/platform/mx2_camera.c index 637bde8..2c3ec94 100644 --- a/drivers/media/platform/mx2_camera.c +++ b/drivers/media/platform/mx2_camera.c @@ -407,7 +407,7 @@ static void mx2_camera_deactivate(struct mx2_camera_dev *pcdev) { unsigned long flags; - clk_disable(pcdev->clk_csi); + clk_disable_unprepare(pcdev->clk_csi); writel(0, pcdev->base_csi + CSICR1); if (cpu_is_mx27()) { writel(0, pcdev->base_emma + PRP_CNTL); @@ -435,7 +435,7 @@ static int mx2_camera_add_device(struct soc_camera_device *icd) if (pcdev->icd) return -EBUSY; - ret = clk_enable(pcdev->clk_csi); + ret = clk_prepare_enable(pcdev->clk_csi); if (ret < 0) return ret; @@ -1639,7 +1639,7 @@ static int __devinit mx27_camera_emma_init(struct mx2_camera_dev *pcdev) goto exit_free_irq; } - clk_enable(pcdev->clk_emma); + clk_prepare_enable(pcdev->clk_emma); err = mx27_camera_emma_prp_reset(pcdev); if (err) @@ -1648,7 +1648,7 @@ static int __devinit mx27_camera_emma_init(struct mx2_camera_dev *pcdev) return err; exit_clk_emma_put: - clk_disable(pcdev->clk_emma); + clk_disable_unprepare(pcdev->clk_emma); clk_put(pcdev->clk_emma); exit_free_irq: free_irq(pcdev->irq_emma, pcdev); @@ -1785,7 +1785,7 @@ exit_free_emma: eallocctx: if (cpu_is_mx27()) { free_irq(pcdev->irq_emma, pcdev); - clk_disable(pcdev->clk_emma); + clk_disable_unprepare(pcdev->clk_emma); clk_put(pcdev->clk_emma); iounmap(pcdev->base_emma); release_mem_region(pcdev->res_emma->start, resource_size(pcdev->res_emma)); @@ -1825,7 +1825,7 @@ static int __devexit mx2_camera_remove(struct platform_device *pdev) iounmap(pcdev->base_csi); if (cpu_is_mx27()) { - clk_disable(pcdev->clk_emma); + clk_disable_unprepare(pcdev->clk_emma); clk_put(pcdev->clk_emma); iounmap(pcdev->base_emma); res = pcdev->res_emma; -- 2.7.4