From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kalle Valo Subject: Re: [PATCH] [wireless-next] mt76: fix building without CONFIG_LEDS_CLASS Date: Thu, 18 Jan 2018 15:23:23 +0200 Message-ID: <87bmhrb8s4.fsf@kamboji.qca.qualcomm.com> References: <20180118131524.817297-1-arnd@arndb.de> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20180118131524.817297-1-arnd@arndb.de> (Arnd Bergmann's message of "Thu, 18 Jan 2018 14:14:11 +0100") Sender: linux-kernel-owner@vger.kernel.org To: Arnd Bergmann Cc: Lorenzo Bianconi , Felix Fietkau , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org List-Id: linux-mediatek@lists.infradead.org Arnd Bergmann writes: > When CONFIG_LEDS_CLASS is disabled, or it is a loadable module while > mt76 is built-in, we run into a link error: > > drivers/net/wireless/mediatek/mt76/mac80211.o: In function `mt76_register_device': > mac80211.c:(.text+0xb78): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `devm_of_led_classdev_register' > > We don't really need a hard dependency here as the driver can presumably > work just fine without LEDs, so this follows the iwlwifi example and > adds a separate Kconfig option for the LED support, this will be available > whenever it will link, and otherwise the respective code gets left out from > the driver object. > > Fixes: 17f1de56df05 ("mt76: add common code shared between multiple chipsets") > Signed-off-by: Arnd Bergmann I'm planning to queue this for 4.16. -- Kalle Valo