From: Geert Uytterhoeven Date: Mon, 21 Feb 2022 16:29:25 +0000 (+0100) Subject: serial: sh-sci: Simplify multiplication/shift logic X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=81ddb200f63604a3df21ad82584c62dab8fb0300;p=linux.git serial: sh-sci: Simplify multiplication/shift logic "a * (1 << b)" == "a << b". No change in generated code. Reviewed-by: Ulrich Hecht Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/118d62e167f6cf5e98bdf9a738634b4590ea8d09.1645460901.git.geert+renesas@glider.be Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 968967d722d49..77d76973858f7 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -2293,7 +2293,7 @@ static int sci_scbrr_calc(struct sci_port *s, unsigned int bps, for_each_sr(sr, s) { for (c = 0; c <= 3; c++) { /* integerized formulas from HSCIF documentation */ - prediv = sr * (1 << (2 * c + 1)); + prediv = sr << (2 * c + 1); /* * We need to calculate: