Re: [PATCHv2 1/3] leds: Add of_led_get() and led_put()

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On 09/09/2015 02:16 PM, Tomi Valkeinen wrote:


On 08/09/15 17:04, Jacek Anaszewski wrote:

+#endif /* __LINUX_LEDS_OF_H_INCLUDED */
diff --git a/include/linux/leds.h b/include/linux/leds.h
index b122eeafb5dc..0fce71a06d68 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -113,6 +113,8 @@ extern void devm_led_classdev_unregister(struct
device *parent,
   extern void led_classdev_suspend(struct led_classdev *led_cdev);
   extern void led_classdev_resume(struct led_classdev *led_cdev);

+extern void led_put(struct led_classdev *led_cdev);
+

This also needs no-op version.

Ok, but... I think other already existing functions need no-ops also. If
there's a driver that uses of_led_get and led_put, it's sure to use some
other led_* functions also.

So if we want that driver to be compilable when LED support is disabled
in the kernel, we need to provide no-ops for all those functions.

Probably:

led_set_brightness
led_blink_set_oneshot
led_blink_set

That's right. It needs to be addressed soon too. Potentially
this could show up by breaking randconfig build.

--
Best Regards,
Jacek Anaszewski
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