[PATCH 4/9] crypto: ux500/cryp - Prepare clock before enabling it

Lee Jones lee.jones at linaro.org
Thu Apr 18 06:27:00 EDT 2013


If we fail to prepare the ux500-cryp 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/cryp/cryp_core.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/ux500/cryp/cryp_core.c b/drivers/crypto/ux500/cryp/cryp_core.c
index 8bc5fef..a56cbc4 100644
--- a/drivers/crypto/ux500/cryp/cryp_core.c
+++ b/drivers/crypto/ux500/cryp/cryp_core.c
@@ -670,7 +670,7 @@ static int cryp_disable_power(struct device *dev,
 	}
 	spin_unlock(&device_data->ctx_lock);
 
-	clk_disable(device_data->clk);
+	clk_disable_unprepare(device_data->clk);
 	ret = regulator_disable(device_data->pwr_regulator);
 	if (ret)
 		dev_err(dev, "[%s]: "
@@ -703,9 +703,9 @@ static int cryp_enable_power(
 			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__);
 			regulator_disable(device_data->pwr_regulator);
 			goto out;
-- 
1.7.10.4




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