linux-kernel - [PATCH 6/7 v8] crypto:s5p-sss: Use clk_prepare/clk

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Date:	Mon, 28 Apr 2014 16:14:58 +0530
From:	Naveen Krishna Chatradhi <ch.naveen@...sung.com>
To:	linux-crypto@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, vzapolskiy@...il.com,
	herbert@...dor.apana.org.au, naveenkrishna.ch@...il.com,
	cpgs@...sung.com, t.figa@...sung.com, davem@...emloft.net
Subject: [PATCH 6/7 v8] crypto:s5p-sss: Use clk_prepare/clk_unprepare

This patch set adds use of clk_prepare/clk_unprepare as
required by generic clock framework.

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@...sung.com>
Reviewed-by: Tomasz Figa <t.figa@...sung.com>
Acked-by: Herbert Xu <herbert@...dor.apana.org.au>
CC: David S. Miller <davem@...emloft.net>
CC: Vladimir Zapolskiy <vzapolskiy@...il.com>
TO: <linux-crypto@...r.kernel.org>
CC: <linux-samsung-soc@...r.kernel.org>
---
Changes since v7:
Added Acked-by from Herbert Xu
Changes since v6:
None

 drivers/crypto/s5p-sss.c |   10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
index 0ffc042..ea7d478 100644
--- a/drivers/crypto/s5p-sss.c
+++ b/drivers/crypto/s5p-sss.c
@@ -645,7 +645,11 @@ static int s5p_aes_probe(struct platform_device *pdev)
 		return -ENOENT;
 	}
 
-	clk_enable(pdata->clk);
+	err = clk_prepare_enable(pdata->clk);
+	if (err < 0) {
+		dev_err(dev, "Enabling SSS clk failed, err %d\n", err);
+		return err;
+	}
 
 	spin_lock_init(&pdata->lock);
 
@@ -706,7 +710,7 @@ static int s5p_aes_probe(struct platform_device *pdev)
 	tasklet_kill(&pdata->tasklet);
 
  err_irq:
-	clk_disable(pdata->clk);
+	clk_disable_unprepare(pdata->clk);
 
 	s5p_dev = NULL;
 
@@ -726,7 +730,7 @@ static int s5p_aes_remove(struct platform_device *pdev)
 
 	tasklet_kill(&pdata->tasklet);
 
-	clk_disable(pdata->clk);
+	clk_disable_unprepare(pdata->clk);
 
 	s5p_dev = NULL;
 
-- 
1.7.9.5

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