1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index 5318dd3774ae..6f1b51e231e4 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -131,7 +131,12 @@ static int sport_uart_setup(struct sport_uart_port *up, int size, int baud_rate)
         pr_debug("%s RCR1:%x, RCR2:%x\n", __func__, SPORT_GET_RCR1(up), SPORT_GET_RCR2(up));
 
         tclkdiv = sclk / (2 * baud_rate) - 1;
-        rclkdiv = sclk / (2 * baud_rate * 2) - 1;
+        /* The actual uart baud rate of devices vary between +/-2%. The sport
+         * RX sample rate should be faster than the double of the worst case,
+         * otherwise, wrong data are received. So, set sport RX clock to be
+         * 3% faster.
+         */
+        rclkdiv = sclk / (2 * baud_rate * 2 * 97 / 100) - 1;
         SPORT_PUT_TCLKDIV(up, tclkdiv);
         SPORT_PUT_RCLKDIV(up, rclkdiv);
         SSYNC();