This changes negative values of error rate to be checked, because these
values are valid as error rate. And this changes in the process of adopting
a value close to 0.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@xxxxxxxxxxx>
---
drivers/tty/serial/sh-sci.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 3081e46..ae7ac07 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1812,9 +1812,6 @@ static void sci_baud_calc_hscif(unsigned int bps, unsigned long freq,
err = DIV_ROUND_CLOSEST(freq, ((br + 1) * bps * sr *
(1 << (2 * c + 1)) / 1000)) -
1000;
- if (err < 0)
- continue;
-
/* Calc recv margin
* M: Receive margin (%)
* N: Ratio of bit rate to clock (N = sampling rate)
@@ -1829,7 +1826,7 @@ static void sci_baud_calc_hscif(unsigned int bps, unsigned long freq,
*/
recv_margin = abs((500 -
DIV_ROUND_CLOSEST(1000, sr << 1)) / 10);
- if (min_err > err) {
+ if (abs(min_err) > abs(err)) {
min_err = err;
recv_max_margin = recv_margin;
} else if ((min_err == err) &&
--
2.1.1
--
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