From: Lee Jones Subject: [PATCH 1/9] crypto: ux500/hash - Prepare clock before enabling it Date: Thu, 18 Apr 2013 11:26:57 +0100 Message-ID: <1366280825-31136-2-git-send-email-lee.jones@linaro.org> References: <1366280825-31136-1-git-send-email-lee.jones@linaro.org> Cc: arnd@arndb.de, linus.walleij@stericsson.com, Lee Jones , Herbert Xu , "David S. Miller" , Andreas Westin , linux-crypto@vger.kernel.org To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Return-path: In-Reply-To: <1366280825-31136-1-git-send-email-lee.jones@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org 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 Cc: David S. Miller Cc: Andreas Westin Cc: linux-crypto@vger.kernel.org Signed-off-by: Lee Jones --- 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