spi: core: Replace msleep with usleep_range to get more accurate sleep time

Fixes below checkpatch warning:
WARNING: msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.txt
+               msleep(10);

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 1b53eee..d5ee965 100644 (file)
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -892,7 +892,7 @@ static int spi_stop_queue(struct spi_master *master)
         */
        while ((!list_empty(&master->queue) || master->busy) && limit--) {
                spin_unlock_irqrestore(&master->queue_lock, flags);
-               msleep(10);
+               usleep_range(10000, 11000);
                spin_lock_irqsave(&master->queue_lock, flags);
        }