From d4ff6121b44081601206980cafcd6ed3ecb367b6 Mon Sep 17 00:00:00 2001
From: Colin Cross <ccross@android.com>
Date: Tue, 31 May 2011 12:00:09 -0700
Subject: [PATCH] ARM: omap2+: mux: Allow board mux settings to be NULL
OMAP4 has two mux instances, and the board may not have settings
for one of them. Allow the board file to pass NULL for an
instance's mux settings, which will initialize the mux instance
but skip writing board settings.
Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
arch/arm/mach-omap2/mux.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index b4f90661382c..c7fb22abc219 100644
--- 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);
--
2.30.2