[PATCH] serial: sh-sci: Simplify multiplication/shift logic

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

No change in generated code.

Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
 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 968967d722d494c2..77d76973858f7d7f 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:
-- 
2.25.1




[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux PPP]     [Linux FS]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Linmodem]     [Device Mapper]     [Linux Kernel for ARM]

  Powered by Linux