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iio: adc: nxp-sar-adc: Remove unnecessary type casting

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The readl_poll_timeout() macro returns a signed integer error code.

In nxp_sar_adc_calibration_wait(), the return value is casted to u32
before being returned as int, which is unnecessary.

Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Felix Gu 2026-02-22 02:09:08 +08:00 committed by Jonathan Cameron
parent 0e2af0fc30
commit d1e13ac7c2
1 changed files with 2 additions and 1 deletions
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3
drivers/iio/adc/nxp-sar-adc.c
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@ -247,7 +247,8 @@ static inline void nxp_sar_adc_calibration_start(void __iomem *base)
static inline int nxp_sar_adc_calibration_wait(void __iomem *base)
{
u32 msr, ret;
u32 msr;
int ret;
ret = readl_poll_timeout(NXP_SAR_ADC_MSR(base), msr,
!FIELD_GET(NXP_SAR_ADC_MSR_CALBUSY, msr),