[U-Boot] [U-Boot, 2/2] allow LED initialization without STATUS_LED_BOOT

[Tom Rini]

On Fri, Aug 21, 2015 at 03:13:21PM +0200, Bernhard Nortmann wrote:

> For current U-Boot to initialize status LEDs via status_led_init(), it
> is required to have both CONFIG_STATUS_LED and STATUS_LED_BOOT defined.
> This may be a particular concern with GPIO LEDs, where __led_init() is
> required to correctly set up the GPIO (gpio_request and
> gpio_direction_output). Without STATUS_LED_BOOT the initialization isn't
> called, which could leave the user with a non-functional "led" command -
> due to the fact that the LED routines in gpio_led.c use gpio_set_value()
> just fine, but the GPIO never got set up properly in the first place.
> 
> I think having CONFIG_STATUS_LED is sufficient to justify a
> corresponding call to status_led_init(), even with no STATUS_LED_BOOT
> defined. To do so, common/board_r.c needs call that routine, so it now
> is exposed via status_led.h.
> 
> Signed-off-by: Bernhard Nortmann <bernhard.nortmann at web.de>

Applied to u-boot/master, thanks!

-- 
Tom
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