Commit 81ddb200 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Greg Kroah-Hartman
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serial: sh-sci: Simplify multiplication/shift logic 



"a * (1 << b)" == "a << b".

No change in generated code.

Reviewed-by: default avatarUlrich Hecht <uli+renesas@fpond.eu>
Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/118d62e167f6cf5e98bdf9a738634b4590ea8d09.1645460901.git.geert+renesas@glider.be


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent aab68e95

drivers/tty/serial/sh-sci.c

+1 −1
Original line number Diff line number Diff line
@@ -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: