From b516b88a7946c92d418c8ad2673b94ea568d1cf5 Mon Sep 17 00:00:00 2001
From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Fri, 11 Nov 2016 14:56:47 +0000
Subject: [PATCH] hwrng: atmel - use clk_disable_unprepare instead of
 clk_disable

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@huawei.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 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 ae7cae579eac..661c82cde0f2 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;
 }