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[media] video: mx2_camera: Use clk_prepare_enable/clk_disable_unprepare 

Prepare the clock before enabling it.

Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: <linux-media@vger.kernel.org>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Fabio Estevam 2012-05-25 20:14:48 -03:00 committed by Mauro Carvalho Chehab
parent 52cf3e4295
commit 561d5d78cb
1 changed files with 6 additions and 6 deletions
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12
drivers/media/platform/mx2_camera.c
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@ -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;