From 81ddb200f63604a3df21ad82584c62dab8fb0300 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 21 Feb 2022 17:29:25 +0100 Subject: [PATCH] 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 --- drivers/tty/serial/sh-sci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 968967d722d4..77d76973858f 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: