[PATCH 1/9] crypto: ux500/hash - Prepare clock before enabling it

Lee Jones lee.jones at linaro.org
Thu Apr 18 06:26:57 EDT 2013


If we fail to prepare the ux500-hash clock before enabling it the
platform will fail to boot. Here we insure this happens.

Cc: Herbert Xu <herbert at gondor.apana.org.au>
Cc: David S. Miller <davem at davemloft.net>
Cc: Andreas Westin <andreas.westin at stericsson.com>
Cc: linux-crypto at vger.kernel.org
Signed-off-by: Lee Jones <lee.jones at linaro.org>
---
 drivers/crypto/ux500/hash/hash_core.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/ux500/hash/hash_core.c b/drivers/crypto/ux500/hash/hash_core.c
index 632c333..118386a 100644
--- a/drivers/crypto/ux500/hash/hash_core.c
+++ b/drivers/crypto/ux500/hash/hash_core.c
@@ -308,10 +308,10 @@ static int hash_disable_power(
 		device_data->restore_dev_state = true;
 	}
 
-	clk_disable(device_data->clk);
+	clk_disable_unprepare(device_data->clk);
 	ret = regulator_disable(device_data->regulator);
 	if (ret)
-		dev_err(dev, "[%s] regulator_disable() failed!", __func__);
+		dev_err(dev, "[%s] regulator_disable_unprepare() failed!", __func__);
 
 	device_data->power_state = false;
 
@@ -344,9 +344,9 @@ static int hash_enable_power(
 					__func__);
 			goto out;
 		}
-		ret = clk_enable(device_data->clk);
+		ret = clk_prepare_enable(device_data->clk);
 		if (ret) {
-			dev_err(dev, "[%s]: clk_enable() failed!",
+			dev_err(dev, "[%s]: clk_prepare_enable() failed!",
 					__func__);
 			ret = regulator_disable(
 					device_data->regulator);
-- 
1.7.10.4




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