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 75934e3ea34e848b4e3612b031d77635da1451d1..de5e3d65a6fac3416f1fce9e37f0ae103cd4c337 100644 (file)
--- 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;