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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-01-23 18:13:33 -0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-01-23 18:13:33 -0200
commit3e9caa525147e28d032a8e413d9797c21cbaf88c (patch)
treeae92a81d643f8116ad23b9ea09f8fb8a7dd1a933
parent59b30294e14fa6a370fdd2bc2921cca1f977ef16 (diff)
parent03652e0ad4b140523ec5ef7fec8d2b3c7218447b (diff)
Merge branch 'v4l_for_linus' into staging/for_v3.4
* v4l_for_linus: [media] V4L: atmel-isi: add clk_prepare()/clk_unprepare() functions
-rw-r--r--drivers/media/video/atmel-isi.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/media/video/atmel-isi.c b/drivers/media/video/atmel-isi.c
index 9fe4519176a4..ec3f6a06f9c3 100644
--- a/drivers/media/video/atmel-isi.c
+++ b/drivers/media/video/atmel-isi.c
@@ -922,7 +922,9 @@ static int __devexit atmel_isi_remove(struct platform_device *pdev)
isi->fb_descriptors_phys);
iounmap(isi->regs);
+ clk_unprepare(isi->mck);
clk_put(isi->mck);
+ clk_unprepare(isi->pclk);
clk_put(isi->pclk);
kfree(isi);
@@ -955,6 +957,10 @@ static int __devinit atmel_isi_probe(struct platform_device *pdev)
if (IS_ERR(pclk))
return PTR_ERR(pclk);
+ ret = clk_prepare(pclk);
+ if (ret)
+ goto err_clk_prepare_pclk;
+
isi = kzalloc(sizeof(struct atmel_isi), GFP_KERNEL);
if (!isi) {
ret = -ENOMEM;
@@ -978,6 +984,10 @@ static int __devinit atmel_isi_probe(struct platform_device *pdev)
goto err_clk_get;
}
+ ret = clk_prepare(isi->mck);
+ if (ret)
+ goto err_clk_prepare_mck;
+
/* Set ISI_MCK's frequency, it should be faster than pixel clock */
ret = clk_set_rate(isi->mck, pdata->mck_hz);
if (ret < 0)
@@ -1059,10 +1069,14 @@ err_alloc_ctx:
isi->fb_descriptors_phys);
err_alloc_descriptors:
err_set_mck_rate:
+ clk_unprepare(isi->mck);
+err_clk_prepare_mck:
clk_put(isi->mck);
err_clk_get:
kfree(isi);
err_alloc_isi:
+ clk_unprepare(pclk);
+err_clk_prepare_pclk:
clk_put(pclk);
return ret;