hwrng: amd - use the BIT macro

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>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/char/hw_random/amd-rng.c b/drivers/char/hw_random/amd-rng.c
index 45b79654e071..d0042f5d857d 100644
--- a/drivers/char/hw_random/amd-rng.c
+++ b/drivers/char/hw_random/amd-rng.c
@@ -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);
 }