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Commit 0df1ed4b authored by Prashant Gaikwad's avatar Prashant Gaikwad Committed by Stephen Warren
Browse files

crypto: add clk_prepare/clk_unprepare 



Use clk_prepare/clk_unprepare as required by the generic clk framework.

Signed-off-by: default avatarPrashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: default avatarStephen Warren <swarren@nvidia.com>
Acked-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 65d2bdd3

drivers/crypto/tegra-aes.c

+6 −6
Original line number Diff line number Diff line
@@ -572,7 +572,7 @@ static void aes_workqueue_handler(struct work_struct *work) 
	struct tegra_aes_dev *dd = aes_dev;

	int ret;



	ret = clk_enable(dd->aes_clk);

	ret = clk_prepare_enable(dd->aes_clk);

	if (ret)

		BUG_ON("clock enable failed");
@@ -581,7 +581,7 @@ static void aes_workqueue_handler(struct work_struct *work) 
		ret = tegra_aes_handle_req(dd);

	} while (!ret);



	clk_disable(dd->aes_clk);

	clk_disable_unprepare(dd->aes_clk);

}



static irqreturn_t aes_irq(int irq, void *dev_id)
@@ -673,7 +673,7 @@ static int tegra_aes_get_random(struct crypto_rng *tfm, u8 *rdata, 
	/* take mutex to access the aes hw */

	mutex_lock(&aes_lock);



	ret = clk_enable(dd->aes_clk);

	ret = clk_prepare_enable(dd->aes_clk);

	if (ret)

		return ret;
@@ -700,7 +700,7 @@ static int tegra_aes_get_random(struct crypto_rng *tfm, u8 *rdata, 
	}



out:

	clk_disable(dd->aes_clk);

	clk_disable_unprepare(dd->aes_clk);

	mutex_unlock(&aes_lock);



	dev_dbg(dd->dev, "%s: done\n", __func__);
@@ -758,7 +758,7 @@ static int tegra_aes_rng_reset(struct crypto_rng *tfm, u8 *seed, 


	dd->flags = FLAGS_ENCRYPT | FLAGS_RNG;



	ret = clk_enable(dd->aes_clk);

	ret = clk_prepare_enable(dd->aes_clk);

	if (ret)

		return ret;
@@ -788,7 +788,7 @@ static int tegra_aes_rng_reset(struct crypto_rng *tfm, u8 *seed, 
	memcpy(dd->dt, dt, DEFAULT_RNG_BLK_SZ);



out:

	clk_disable(dd->aes_clk);

	clk_disable_unprepare(dd->aes_clk);

	mutex_unlock(&aes_lock);



	dev_dbg(dd->dev, "%s: done\n", __func__);