Re: [PATCH] mt76: fix LED link time failure
From: Kalle Valo
Date: Wed Dec 18 2019 - 13:25:23 EST
Arnd Bergmann <arnd@xxxxxxxx> wrote:
> The mt76_led_cleanup() function is called unconditionally, which
> leads to a link error when CONFIG_LEDS is a loadable module or
> disabled but mt76 is built-in:
>
> drivers/net/wireless/mediatek/mt76/mac80211.o: In function `mt76_unregister_device':
> mac80211.c:(.text+0x2ac): undefined reference to `led_classdev_unregister'
>
> Use the same trick that is guarding the registration, using an
> IS_ENABLED() check for the CONFIG_MT76_LEDS symbol that indicates
> whether LEDs can be used or not.
>
> Fixes: 36f7e2b2bb1d ("mt76: do not use devm API for led classdev")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Acked-by: Felix Fietkau <nbd@xxxxxxxx>
Patch applied to wireless-drivers.git, thanks.
d68f4e43a46f mt76: fix LED link time failure
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https://patchwork.kernel.org/patch/11294195/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches