diff options
Diffstat (limited to 'drivers/char/hw_random/timeriomem-rng.c')
| -rw-r--r-- | drivers/char/hw_random/timeriomem-rng.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/char/hw_random/timeriomem-rng.c b/drivers/char/hw_random/timeriomem-rng.c index e262445fed5f..8ea1fc831eb7 100644 --- a/drivers/char/hw_random/timeriomem-rng.c +++ b/drivers/char/hw_random/timeriomem-rng.c @@ -69,7 +69,7 @@ static int timeriomem_rng_read(struct hwrng *hwrng, void *data, */ if (retval > 0) usleep_range(period_us, - period_us + min(1, period_us / 100)); + period_us + max(1, period_us / 100)); *(u32 *)data = readl(priv->io_base); retval += sizeof(u32); @@ -169,7 +169,7 @@ static int timeriomem_rng_probe(struct platform_device *pdev) priv->present = 1; complete(&priv->completion); - err = hwrng_register(&priv->rng_ops); + err = devm_hwrng_register(&pdev->dev, &priv->rng_ops); if (err) { dev_err(&pdev->dev, "problem registering\n"); return err; @@ -185,7 +185,6 @@ static int timeriomem_rng_remove(struct platform_device *pdev) { struct timeriomem_rng_private *priv = platform_get_drvdata(pdev); - hwrng_unregister(&priv->rng_ops); hrtimer_cancel(&priv->timer); return 0; |