[git:v4l-dvb/for_v3.7,media] video: mx2_camera: Use clk_prepare_enable/clk_disable_unprepare

Commit Message

Mauro Carvalho Chehab Aug. 15, 2012, 8:17 p.m. UTC

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Subject: [media] video: mx2_camera: Use clk_prepare_enable/clk_disable_unprepare
Author:  Fabio Estevam <[e-mail]>
Date:    Fri May 25 20:14:48 2012 -0300

Prepare the clock before enabling it.

Cc: Guennadi Liakhovetski <[e-mail]>
Cc: <[e-mail]>
Signed-off-by: Fabio Estevam <[e-mail]>
Signed-off-by: Guennadi Liakhovetski <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

 drivers/media/platform/mx2_camera.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

---

http://git.linuxtv.org/media_tree.git?a=commitdiff;h=561d5d78cb03fe08519a166594820c5a70f3931c

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Patch

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;