[PATCH -next] hwrng: atmel - use clk_disable_unprepare instead of clk_disable

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From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>

Since clk_prepare_enable() is used to get trng->clk, we should
use clk_disable_unprepare() to release it for the error path.

Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
 drivers/char/hw_random/atmel-rng.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/hw_random/atmel-rng.c b/drivers/char/hw_random/atmel-rng.c
index ae7cae5..661c82c 100644
--- a/drivers/char/hw_random/atmel-rng.c
+++ b/drivers/char/hw_random/atmel-rng.c
@@ -94,7 +94,7 @@ static int atmel_trng_probe(struct platform_device *pdev)
 	return 0;
 
 err_register:
-	clk_disable(trng->clk);
+	clk_disable_unprepare(trng->clk);
 	return ret;
 }

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