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hwrng: imx-rngc - fix the timeout for init and self check
Fix the timeout that is used for the initialisation and for the self
test. wait_for_completion_timeout expects a timeout in jiffies, but
RNGC_TIMEOUT is in milliseconds. Call msecs_to_jiffies to do the
conversion.
Cc: stable@vger.kernel.org
Fixes: 1d5449445b
("hwrng: mx-rngc - add a driver for Freescale RNGC")
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
parent
63ba4d6759
commit
d744ae7477
1 changed files with 2 additions and 4 deletions
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@ -110,7 +110,7 @@ static int imx_rngc_self_test(struct imx_rngc *rngc)
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cmd = readl(rngc->base + RNGC_COMMAND);
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writel(cmd | RNGC_CMD_SELF_TEST, rngc->base + RNGC_COMMAND);
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ret = wait_for_completion_timeout(&rngc->rng_op_done, RNGC_TIMEOUT);
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ret = wait_for_completion_timeout(&rngc->rng_op_done, msecs_to_jiffies(RNGC_TIMEOUT));
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imx_rngc_irq_mask_clear(rngc);
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if (!ret)
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return -ETIMEDOUT;
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@ -182,9 +182,7 @@ static int imx_rngc_init(struct hwrng *rng)
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cmd = readl(rngc->base + RNGC_COMMAND);
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writel(cmd | RNGC_CMD_SEED, rngc->base + RNGC_COMMAND);
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ret = wait_for_completion_timeout(&rngc->rng_op_done,
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RNGC_TIMEOUT);
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ret = wait_for_completion_timeout(&rngc->rng_op_done, msecs_to_jiffies(RNGC_TIMEOUT));
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if (!ret) {
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ret = -ETIMEDOUT;
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goto err;
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