diff options
| author | Gwendal Grignou <gwendal@chromium.org> | 2019-03-11 16:07:55 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2019-03-26 04:42:56 -0700 |
| commit | ac77140b7f4f42075d2377fc9d956a636b05aacf (patch) | |
| tree | c64c6a30916ff741a2ab235141f7bd071cd54483 /core/cortex-m/mpu.c | |
| parent | bb266fc26fc05d4ab22de6ad7bce5b477c9f9140 (diff) | |
| download | chrome-ec-ac77140b7f4f42075d2377fc9d956a636b05aacf.tar.gz | |
common: bit change 1 << constants with BIT(constants)
Mechanical replacement of bit operation where operand is a constant.
More bit operation exist, but prone to errors.
Reveal a bug in npcx:
chip/npcx/system-npcx7.c:114:54: error: conversion from 'long unsigned int' to 'uint8_t' {aka 'volatile unsigned char'} changes value from '16777215' to '255' [-Werror=overflow]
BUG=None
BRANCH=None
TEST=None
Change-Id: I006614026143fa180702ac0d1cc2ceb1b3c6eeb0
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1518660
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
Diffstat (limited to 'core/cortex-m/mpu.c')
| -rw-r--r-- | core/cortex-m/mpu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/core/cortex-m/mpu.c b/core/cortex-m/mpu.c index 795f809eca..8376a00b32 100644 --- a/core/cortex-m/mpu.c +++ b/core/cortex-m/mpu.c @@ -95,7 +95,7 @@ static int mpu_config_region(uint8_t region, uint32_t addr, uint32_t size, blocks = size >> (size_bit - 2); /* Represent occupied blocks of two regions with srd mask. */ - srd1 = (1 << blocks) - 1; + srd1 = BIT(blocks) - 1; srd2 = (1 << ((size >> (size_bit - 5)) & 0x7)) - 1; /* |