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| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2015-11-03 20:14:10 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2015-12-17 13:18:10 +0300 |
| commit | dcafbb47bdfde32b9f3c275aa4b435c120d02f15 (patch) | |
| tree | 1bc92686374d97e8f8d9f648f7a9f41ae73e4caf /drivers/tty/serial/sh-sci.c | |
| parent | 176ae5f674ebd2049f99e97eb8319200f1d211b6 (diff) | |
| download | linux-dcafbb47bdfde32b9f3c275aa4b435c120d02f15.tar.xz | |
serial: sh-sci: Drop useless check for zero sampling_rate
sci_port.sampling_rate is always non-zero, except for HSCIF, which uses
sci_baud_calc_hscif() instead of sci_scbrr_calc().
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/sh-sci.c')
| -rw-r--r-- | drivers/tty/serial/sh-sci.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index cc6fa55231ba..dfee7a2f51f1 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1863,13 +1863,7 @@ static void sci_shutdown(struct uart_port *port) static unsigned int sci_scbrr_calc(struct sci_port *s, unsigned int bps, unsigned long freq) { - if (s->sampling_rate) - return DIV_ROUND_CLOSEST(freq, s->sampling_rate * bps) - 1; - - /* Warn, but use a safe default */ - WARN_ON(1); - - return ((freq + 16 * bps) / (32 * bps) - 1); + return DIV_ROUND_CLOSEST(freq, s->sampling_rate * bps) - 1; } /* calculate frame length from SMR */ |