* [PATCH] ARM: OMAP2+: Fix serial init for device tree based booting
@ 2013-06-07 21:55 Tony Lindgren
2013-06-07 22:20 ` Kevin Hilman
0 siblings, 1 reply; 2+ messages in thread
From: Tony Lindgren @ 2013-06-07 21:55 UTC (permalink / raw)
To: linux-arm-kernel
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.
Signed-off-by: Tony Lindgren <tony@atomide.com>
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -176,6 +176,9 @@ static char *cmdline_find_option(char *str)
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;
^ permalink raw reply [flat|nested] 2+ messages in thread* [PATCH] ARM: OMAP2+: Fix serial init for device tree based booting
2013-06-07 21:55 [PATCH] ARM: OMAP2+: Fix serial init for device tree based booting Tony Lindgren
@ 2013-06-07 22:20 ` Kevin Hilman
0 siblings, 0 replies; 2+ messages in thread
From: Kevin Hilman @ 2013-06-07 22:20 UTC (permalink / raw)
To: linux-arm-kernel
Tony Lindgren <tony@atomide.com> writes:
> 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.
>
> Signed-off-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
> --- a/arch/arm/mach-omap2/serial.c
> +++ b/arch/arm/mach-omap2/serial.c
> @@ -176,6 +176,9 @@ static char *cmdline_find_option(char *str)
>
> 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;
> --
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^ permalink raw reply [flat|nested] 2+ messages in thread
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2013-06-07 21:55 [PATCH] ARM: OMAP2+: Fix serial init for device tree based booting Tony Lindgren
2013-06-07 22:20 ` Kevin Hilman
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