crypto: add clk_prepare/clk_unprepare
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>
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@ -572,7 +572,7 @@ static void aes_workqueue_handler(struct work_struct *work)
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struct tegra_aes_dev *dd = aes_dev;
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int ret;
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ret = clk_enable(dd->aes_clk);
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ret = clk_prepare_enable(dd->aes_clk);
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if (ret)
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BUG_ON("clock enable failed");
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@ -581,7 +581,7 @@ static void aes_workqueue_handler(struct work_struct *work)
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ret = tegra_aes_handle_req(dd);
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} while (!ret);
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clk_disable(dd->aes_clk);
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clk_disable_unprepare(dd->aes_clk);
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}
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static irqreturn_t aes_irq(int irq, void *dev_id)
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@ -673,7 +673,7 @@ static int tegra_aes_get_random(struct crypto_rng *tfm, u8 *rdata,
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/* take mutex to access the aes hw */
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mutex_lock(&aes_lock);
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ret = clk_enable(dd->aes_clk);
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ret = clk_prepare_enable(dd->aes_clk);
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if (ret)
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return ret;
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@ -700,7 +700,7 @@ static int tegra_aes_get_random(struct crypto_rng *tfm, u8 *rdata,
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}
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out:
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clk_disable(dd->aes_clk);
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clk_disable_unprepare(dd->aes_clk);
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mutex_unlock(&aes_lock);
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dev_dbg(dd->dev, "%s: done\n", __func__);
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@ -758,7 +758,7 @@ static int tegra_aes_rng_reset(struct crypto_rng *tfm, u8 *seed,
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dd->flags = FLAGS_ENCRYPT | FLAGS_RNG;
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ret = clk_enable(dd->aes_clk);
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ret = clk_prepare_enable(dd->aes_clk);
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if (ret)
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return ret;
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@ -788,7 +788,7 @@ static int tegra_aes_rng_reset(struct crypto_rng *tfm, u8 *seed,
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memcpy(dd->dt, dt, DEFAULT_RNG_BLK_SZ);
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out:
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clk_disable(dd->aes_clk);
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clk_disable_unprepare(dd->aes_clk);
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mutex_unlock(&aes_lock);
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dev_dbg(dd->dev, "%s: done\n", __func__);
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