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crypto: add clk_prepare/clk_unprepare

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

Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Prashant Gaikwad 2012-06-05 09:59:43 +05:30 committed by Stephen Warren
parent 65d2bdd343
commit 0df1ed4b12
1 changed files with 6 additions and 6 deletions
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12
drivers/crypto/tegra-aes.c
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@ -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__);