From: Magnus Damm <damm@opensource.se>
Date: Mon, 17 Oct 2011 09:01:19 +0000 (+0900)
Subject: sh: pfc: get_config_reg() shift clean up
X-Git-Tag: firefly_0821_release~3680^2~4217^2~9
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c63bcc6ff135397b38cdb510c173e4a6629cede5;p=firefly-linux-kernel-4.4.55.git

sh: pfc: get_config_reg() shift clean up

Clean up the f_width shift code in get_config_reg().

Reported-by: Ryusuke Sakato <ryusuke.sakato.bx@renesas.com>
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---

diff --git a/drivers/sh/pfc.c b/drivers/sh/pfc.c
index 75934e3ea34e..de5e3d65a6fa 100644
--- a/drivers/sh/pfc.c
+++ b/drivers/sh/pfc.c
@@ -217,7 +217,7 @@ static int get_config_reg(struct pinmux_info *gpioc, pinmux_enum_t enum_id,
 
 		if (!r_width)
 			break;
-		for (n = 0; n < (r_width / f_width) * 1 << f_width; n++) {
+		for (n = 0; n < (r_width / f_width) * (1 << f_width); n++) {
 			if (config_reg->enum_ids[n] == enum_id) {
 				*crp = config_reg;
 				*indexp = n;