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hwrng: atmel - use clk_prepapre_enable/_disable_unprepare 

Use clk_prepare_enable/_disable_unprepare instead of clk_enable/disable
to work properly with the CCF.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Peter Korsgaard <peter@korsgaard.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Boris Brezillon 2014-11-20 10:43:22 +01:00 committed by Herbert Xu
parent 1e0bdad025
commit 21961efa13
1 changed files with 4 additions and 4 deletions
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8
drivers/char/hw_random/atmel-rng.c
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@ -67,7 +67,7 @@ static int atmel_trng_probe(struct platform_device *pdev)
if (IS_ERR(trng->clk))
return PTR_ERR(trng->clk);
ret = clk_enable(trng->clk);
ret = clk_prepare_enable(trng->clk);
if (ret)
return ret;
@ -95,7 +95,7 @@ static int atmel_trng_remove(struct platform_device *pdev)
hwrng_unregister(&trng->rng);
writel(TRNG_KEY, trng->base + TRNG_CR);
clk_disable(trng->clk);
clk_disable_unprepare(trng->clk);
return 0;
}
@ -105,7 +105,7 @@ static int atmel_trng_suspend(struct device *dev)
{
struct atmel_trng *trng = dev_get_drvdata(dev);
clk_disable(trng->clk);
clk_disable_unprepare(trng->clk);
return 0;
}
@ -114,7 +114,7 @@ static int atmel_trng_resume(struct device *dev)
{
struct atmel_trng *trng = dev_get_drvdata(dev);
return clk_enable(trng->clk);
return clk_prepare_enable(trng->clk);
}
static const struct dev_pm_ops atmel_trng_pm_ops = {