1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index 8a0eb4a04fb5..7b40925dd4ff 100644
--- a/drivers/iio/adc/at91_adc.c
+++ b/drivers/iio/adc/at91_adc.c
@@ -182,7 +182,7 @@ struct at91_adc_caps {
         u8      ts_pen_detect_sensitivity;
 
         /* startup time calculate function */
-        u32 (*calc_startup_ticks)(u8 startup_time, u32 adc_clk_khz);
+        u32 (*calc_startup_ticks)(u32 startup_time, u32 adc_clk_khz);
 
         u8      num_channels;
         struct at91_adc_reg_desc registers;
@@ -201,7 +201,7 @@ struct at91_adc_state {
         u8                      num_channels;
         void __iomem            *reg_base;
         struct at91_adc_reg_desc *registers;
-        u8                      startup_time;
+        u32                     startup_time;
         u8                      sample_hold_time;
         bool                    sleep_mode;
         struct iio_trigger      **trig;
@@ -779,7 +779,7 @@ ret:
         return ret;
 }
 
-static u32 calc_startup_ticks_9260(u8 startup_time, u32 adc_clk_khz)
+static u32 calc_startup_ticks_9260(u32 startup_time, u32 adc_clk_khz)
 {
         /*
          * Number of ticks needed to cover the startup time of the ADC
@@ -790,7 +790,7 @@ static u32 calc_startup_ticks_9260(u8 startup_time, u32 adc_clk_khz)
         return round_up((startup_time * adc_clk_khz / 1000) - 1, 8) / 8;
 }
 
-static u32 calc_startup_ticks_9x5(u8 startup_time, u32 adc_clk_khz)
+static u32 calc_startup_ticks_9x5(u32 startup_time, u32 adc_clk_khz)
 {
         /*
          * For sama5d3x and at91sam9x5, the formula changes to: