sh: pfc: Ignore pinmux GPIOs with invalid enum IDs.

If we encounter invalid entries in the pinmux GPIO range, make sure we've
still got a dummy pin definition but don't otherwise map it.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/sh/pfc/pinctrl.c b/drivers/sh/pfc/pinctrl.c
index 4eaf24b36a81..e79e379917fc 100644
--- a/drivers/sh/pfc/pinctrl.c
+++ b/drivers/sh/pfc/pinctrl.c
@@ -338,6 +338,10 @@ static int __devinit sh_pfc_map_gpios(struct sh_pfc *pfc,
                 pin->number = pfc->first_gpio + i;
                 pin->name = gpio->name;
 
+                /* XXX */
+                if (unlikely(!gpio->enum_id))
+                        continue;
+
                 sh_pfc_map_one_gpio(pfc, pmx, gpio, i);
         }