port->baudclk_rate should be compared to the rate of port->baudclk,
because port->baudclk_rate was assigned as the rate of port->baudclk previously.
So to check that the current baudclk rate is same as previous rate,
the target of comparison sholud be the rate of port->baudclk.
Signed-off-by: Jun-Ho, Yoon <junho78.yoon@xxxxxxxxxxx>
Signed-off-by: Kyoungil Kim <ki0351.kim@xxxxxxxxxxx>
---
drivers/tty/serial/samsung.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index d8b0aee..c4867ea 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1014,10 +1014,10 @@ static int s3c24xx_serial_cpufreq_transition(struct notifier_block *nb,
* a disturbance in the clock-rate over the change.
*/
- if (IS_ERR(port->clk))
+ if (IS_ERR_OR_NULL(port->baudclk))
goto exit;
- if (port->baudclk_rate == clk_get_rate(port->clk))
+ if (port->baudclk_rate == clk_get_rate(port->baudclk))
goto exit;
if (val == CPUFREQ_PRECHANGE) {
--
1.7.1
--
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