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-rw-r--r--drivers/staging/iio/adc/mxs-lradc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index 5f1375c..bb1f152 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -319,7 +319,7 @@ struct mxs_lradc {
#define LRADC_CH_VALUE_OFFSET 0
#define LRADC_DELAY(n) (0xd0 + (0x10 * (n)))
-#define LRADC_DELAY_TRIGGER_LRADCS_MASK (0xff << 24)
+#define LRADC_DELAY_TRIGGER_LRADCS_MASK (0xffUL << 24)
#define LRADC_DELAY_TRIGGER_LRADCS_OFFSET 24
#define LRADC_DELAY_TRIGGER(x) \
(((x) << LRADC_DELAY_TRIGGER_LRADCS_OFFSET) & \