ARM: omap2+: mux: Allow board mux settings to be NULL

[karo-tx-linux.git] / arch / arm / mach-omap2 / mux.c

diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index a4ab1e364313693dcdef6292e3310a8afa9fe6be..c7fb22abc219db3756758275e0aa30c90fcdd5e6 100644 (file)
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -83,6 +83,9 @@ void omap_mux_write(struct omap_mux_partition *partition, u16 val,
 void omap_mux_write_array(struct omap_mux_partition *partition,
                                 struct omap_board_mux *board_mux)
 {
+       if (!board_mux)
+               return;
+
        while (board_mux->reg_offset != OMAP_MUX_TERMINATOR) {
                omap_mux_write(partition, board_mux->value,
                               board_mux->reg_offset);
@@ -906,7 +909,7 @@ static struct omap_mux *omap_mux_get_by_gpio(
 u16 omap_mux_get_gpio(int gpio)
 {
        struct omap_mux_partition *partition;
-       struct omap_mux *m;
+       struct omap_mux *m = NULL;
 
        list_for_each_entry(partition, &mux_partitions, node) {
                m = omap_mux_get_by_gpio(partition, gpio);