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Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

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Pull bmc2835 crypto fix from Herbert Xu:
 "This fixes a potential boot crash on bcm2835 due to the recent change
  that now causes hardware RNGs to be accessed on registration"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  hwrng: bcm2835 - fix oops when rng h/w is accessed during registration
This commit is contained in:
Linus Torvalds 2014-04-14 16:04:14 -07:00
commit dafe344d22
1 changed files with 5 additions and 5 deletions
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10
drivers/char/hw_random/bcm2835-rng.c
View file

@ -61,18 +61,18 @@ static int bcm2835_rng_probe(struct platform_device *pdev)
}
bcm2835_rng_ops.priv = (unsigned long)rng_base;
/* set warm-up count & enable */
__raw_writel(RNG_WARMUP_COUNT, rng_base + RNG_STATUS);
__raw_writel(RNG_RBGEN, rng_base + RNG_CTRL);
/* register driver */
err = hwrng_register(&bcm2835_rng_ops);
if (err) {
dev_err(dev, "hwrng registration failed\n");
iounmap(rng_base);
} else {
} else
dev_info(dev, "hwrng registered\n");
/* set warm-up count & enable */
__raw_writel(RNG_WARMUP_COUNT, rng_base + RNG_STATUS);
__raw_writel(RNG_RBGEN, rng_base + RNG_CTRL);
}
return err;
}