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| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2023-06-10 17:59:27 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-06-13 12:33:22 +0200 |
| commit | f3710f5e9e1a68da53202cffba73f4b604f05b15 (patch) | |
| tree | 2a19bbc6f4cc0dcda72c137e6d5bb8eb68736686 /drivers/tty/serial/samsung_tty.c | |
| parent | 832e231cff476102e8204a9e7bddfe5c6154a375 (diff) | |
| download | lwn-f3710f5e9e1a68da53202cffba73f4b604f05b15.tar.gz lwn-f3710f5e9e1a68da53202cffba73f4b604f05b15.zip | |
tty: serial: samsung_tty: Use abs() to simplify some code
Use abs() instead of hand-writing it.
Suggested-by: Walter Harms <wharms@bfs.de>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Message-ID: <7bd165e82ed3675d4ddee343ab373031e995a126.1686412569.git.christophe.jaillet@wanadoo.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/samsung_tty.c')
| -rw-r--r-- | drivers/tty/serial/samsung_tty.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c index 0b37019820b4..b29e9dfd81a6 100644 --- a/drivers/tty/serial/samsung_tty.c +++ b/drivers/tty/serial/samsung_tty.c @@ -24,6 +24,7 @@ #include <linux/dmaengine.h> #include <linux/dma-mapping.h> #include <linux/slab.h> +#include <linux/math.h> #include <linux/module.h> #include <linux/ioport.h> #include <linux/io.h> @@ -1485,9 +1486,7 @@ static unsigned int s3c24xx_serial_getclk(struct s3c24xx_uart_port *ourport, } quot--; - calc_deviation = req_baud - baud; - if (calc_deviation < 0) - calc_deviation = -calc_deviation; + calc_deviation = abs(req_baud - baud); if (calc_deviation < deviation) { /* |