linux-kernel - [PATCH 3/3] net: dsa: mt7530: add GPIOLIB dependency

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Message-Id: <20210225143910.3964364-3-arnd@kernel.org>
Date:   Thu, 25 Feb 2021 15:38:33 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        DENG Qingfang <dqfext@...il.com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Landen Chao <landen.chao@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] net: dsa: mt7530: add GPIOLIB dependency

From: Arnd Bergmann <arnd@...db.de>

The new gpio support may be optional at runtime, but it requires
building against gpiolib:

ERROR: modpost: "gpiochip_get_data" [drivers/net/dsa/mt7530.ko] undefined!
ERROR: modpost: "devm_gpiochip_add_data_with_key" [drivers/net/dsa/mt7530.ko] undefined!

Add a Kconfig dependency to enforce this.

Fixes: 429a0edeefd8 ("net: dsa: mt7530: MT7530 optional GPIO support")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/net/dsa/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/dsa/Kconfig b/drivers/net/dsa/Kconfig
index 3af373e90806..07fc2a732597 100644
--- a/drivers/net/dsa/Kconfig
+++ b/drivers/net/dsa/Kconfig
@@ -37,6 +37,7 @@ config NET_DSA_LANTIQ_GSWIP
 config NET_DSA_MT7530
 	tristate "MediaTek MT753x and MT7621 Ethernet switch support"
 	depends on NET_DSA
+	depends on GPIOLIB
 	select NET_DSA_TAG_MTK
 	help
 	  This enables support for the MediaTek MT7530, MT7531, and MT7621
-- 
2.29.2