linux-kernel - [PATCH v2 03/15] hw_random: mxc-rnga: Use clk_prepare_enable/clk_disable

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Message-Id: <1338048232-3523-1-git-send-email-festevam@gmail.com>
Date:	Sat, 26 May 2012 13:03:52 -0300
From:	Fabio Estevam <festevam@...il.com>
To:	kernel@...gutronix.de
Cc:	shawn.guo@...escale.com,
	Fabio Estevam <fabio.estevam@...escale.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH v2 03/15] hw_random: mxc-rnga: Use clk_prepare_enable/clk_disable_unprepare

From: Fabio Estevam <fabio.estevam@...escale.com>

Prepare the clock before enabling it.

Cc: Herbert Xu <herbert@...dor.apana.org.au>
Cc: <linux-kernel@...r.kernel.org>
Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com>
---
Changes since v1:
- Add missing clk_disable_unprepare(clk) in the remove path

 drivers/char/hw_random/mxc-rnga.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/char/hw_random/mxc-rnga.c b/drivers/char/hw_random/mxc-rnga.c
index 187c6be..430582c 100644
--- a/drivers/char/hw_random/mxc-rnga.c
+++ b/drivers/char/hw_random/mxc-rnga.c
@@ -154,7 +154,7 @@ static int __init mxc_rnga_probe(struct platform_device *pdev)
 		goto out;
 	}
 
-	clk_enable(clk);
+	clk_prepare_enable(clk);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
@@ -196,7 +196,7 @@ err_ioremap:
 	release_mem_region(res->start, resource_size(res));
 
 err_region:
-	clk_disable(clk);
+	clk_disable_unprepare(clk);
 	clk_put(clk);
 
 out:
@@ -215,7 +215,7 @@ static int __exit mxc_rnga_remove(struct platform_device *pdev)
 
 	release_mem_region(res->start, resource_size(res));
 
-	clk_disable(clk);
+	clk_disable_unprepare(clk);
 	clk_put(clk);
 
 	return 0;
-- 
1.7.1

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