From: Kyoungil Kim Date: Sun, 20 May 2012 08:49:31 +0000 (+0900) Subject: serial: samsung: Fixed wrong comparison for baudclk_rate X-Git-Tag: firefly_0821_release~3680^2~1976^2~236 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=25f04ad423e5eb40c33a904db5a0d2c7e3bf08f5;p=firefly-linux-kernel-4.4.55.git serial: samsung: Fixed wrong comparison for baudclk_rate 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 Signed-off-by: Kyoungil Kim Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c index 56685387f8eb..cefdd2d7c58c 100644 --- a/drivers/tty/serial/samsung.c +++ b/drivers/tty/serial/samsung.c @@ -1013,10 +1013,10 @@ 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(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) {