iio: adc: ti_am335x_adc: Add a unit to the timeout delay

The lack of unit in the macro name kind of tricked me when I was
troubleshooting an issue. Physical constants should always get a unit.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-44-miquel.raynal@bootlin.com

diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
index 6f47a1a..e7dba10 100644 (file)
--- a/drivers/iio/adc/ti_am335x_adc.c
+++ b/drivers/iio/adc/ti_am335x_adc.c
@@ -101,7 +101,7 @@ static int tiadc_wait_idle(struct tiadc_device *adc_dev)
 
        return readl_poll_timeout(adc_dev->mfd_tscadc->tscadc_base + REG_ADCFSM,
                                  val, !(val & SEQ_STATUS), 10,
-                                 IDLE_TIMEOUT * 1000 * adc_dev->channels);
+                                 IDLE_TIMEOUT_MS * 1000 * adc_dev->channels);
 }
 
 static void tiadc_step_config(struct iio_dev *indio_dev)
@@ -461,7 +461,7 @@ static int tiadc_read_raw(struct iio_dev *indio_dev,
        am335x_tsc_se_set_once(adc_dev->mfd_tscadc, step_en);
 
        /* Wait for Fifo threshold interrupt */
-       timeout = jiffies + msecs_to_jiffies(IDLE_TIMEOUT * adc_dev->channels);
+       timeout = jiffies + msecs_to_jiffies(IDLE_TIMEOUT_MS * adc_dev->channels);
        while (1) {
                fifo1count = tiadc_readl(adc_dev, REG_FIFO1CNT);
                if (fifo1count)

diff --git a/include/linux/mfd/ti_am335x_tscadc.h b/include/linux/mfd/ti_am335x_tscadc.h
index 5225e3f..ba13e04 100644 (file)
--- a/include/linux/mfd/ti_am335x_tscadc.h
+++ b/include/linux/mfd/ti_am335x_tscadc.h
@@ -141,7 +141,7 @@
  *
  * max processing time: 266431 * 308ns = 83ms(approx)
  */
-#define IDLE_TIMEOUT           83 /* milliseconds */
+#define IDLE_TIMEOUT_MS                83 /* milliseconds */
 
 #define TSCADC_CELLS           2