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hwrng: amd - use the BIT macro

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This patch add usage of the BIT() macro

Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Corentin LABBE 2016-08-26 13:11:30 +02:00 committed by Herbert Xu
parent 6020721320
commit 1c335d4487
1 changed files with 3 additions and 3 deletions
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6
drivers/char/hw_random/amd-rng.c
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@ -78,11 +78,11 @@ static int amd_rng_init(struct hwrng *rng)
u8 rnen;
pci_read_config_byte(amd_pdev, 0x40, &rnen);
rnen |= (1 << 7); /* RNG on */
rnen |= BIT(7); /* RNG on */
pci_write_config_byte(amd_pdev, 0x40, rnen);
pci_read_config_byte(amd_pdev, 0x41, &rnen);
rnen |= (1 << 7); /* PMIO enable */
rnen |= BIT(7); /* PMIO enable */
pci_write_config_byte(amd_pdev, 0x41, rnen);
return 0;
@ -93,7 +93,7 @@ static void amd_rng_cleanup(struct hwrng *rng)
u8 rnen;
pci_read_config_byte(amd_pdev, 0x40, &rnen);
rnen &= ~(1 << 7); /* RNG off */
rnen &= ~BIT(7); /* RNG off */
pci_write_config_byte(amd_pdev, 0x40, rnen);
}