ARM: OMAP2+: Fix serial init for device tree based booting
We don't want to call omap_serial_early_init() for device
tree based booting as the ports are initialized based on
the .dts entries.
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index f660156..a7cf8d7 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -176,6 +176,9 @@
static int __init omap_serial_early_init(void)
{
+ if (of_have_populated_dt())
+ return -ENODEV;
+
do {
char oh_name[MAX_UART_HWMOD_NAME_LEN];
struct omap_hwmod *oh;