diff options
| author | Jay Fang <f.fangjian@huawei.com> | 2021-03-04 18:47:52 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-03-10 12:47:01 +0000 |
| commit | 31890269c0a031e704f995bbd39e1fd77a381207 (patch) | |
| tree | 18c6f62a4156825dbed332329c9966cc41851c12 | |
| parent | 2c94b1b7dda187f654f925f32985d9121431730e (diff) | |
spi: cadence-quadspi: Silence shiftTooManyBitsSigned warning
drivers/spi/spi-cadence-quadspi.c:267:18: warning: Shifting signed 32-bit
value by 31 bits is undefined behaviour [shiftTooManyBitsSigned]
return reg & (1 << CQSPI_REG_CONFIG_IDLE_LSB);
^
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jay Fang <f.fangjian@huawei.com>
Link: https://lore.kernel.org/r/1614854872-8694-1-git-send-email-f.fangjian@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | drivers/spi/spi-cadence-quadspi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 14a712058fac..e2d6ea833423 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -264,7 +264,7 @@ static bool cqspi_is_idle(struct cqspi_st *cqspi) { u32 reg = readl(cqspi->iobase + CQSPI_REG_CONFIG); - return reg & (1 << CQSPI_REG_CONFIG_IDLE_LSB); + return reg & (1UL << CQSPI_REG_CONFIG_IDLE_LSB); } static u32 cqspi_get_rd_sram_level(struct cqspi_st *cqspi) |