linux-kernel - [PATCH] pinctrl: lochnagar: select GPIOLIB

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Date:   Wed, 18 Dec 2019 17:36:46 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>,
        Linus Walleij <linus.walleij@...aro.org>
Cc:     Arnd Bergmann <arnd@...db.de>, alsa-devel@...a-project.org,
        patches@...nsource.cirrus.com, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] pinctrl: lochnagar: select GPIOLIB

In a rare randconfig build I came across one configuration that does
not enable CONFIG_GPIOLIB, which is needed by lochnagar:

ERROR: "devm_gpiochip_add_data" [drivers/pinctrl/cirrus/pinctrl-lochnagar.ko] undefined!
ERROR: "gpiochip_generic_free" [drivers/pinctrl/cirrus/pinctrl-lochnagar.ko] undefined!
ERROR: "gpiochip_generic_request" [drivers/pinctrl/cirrus/pinctrl-lochnagar.ko] undefined!
ERROR: "gpiochip_get_data" [drivers/pinctrl/cirrus/pinctrl-lochnagar.ko] undefined!

Add another 'select' like all other pinctrl drivers have.

Fixes: 0548448b719a ("pinctrl: lochnagar: Add support for the Cirrus Logic Lochnagar")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
I wonder if GPIOLIB should just become mandatory when enabling the pinctrl
subsystem, or if there are still good reasons for leaving it disabled
on any machine that uses CONFIG_PINCTRL.
---
 drivers/pinctrl/cirrus/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pinctrl/cirrus/Kconfig b/drivers/pinctrl/cirrus/Kconfig
index f1806fd781a0..530426a74f75 100644
--- a/drivers/pinctrl/cirrus/Kconfig
+++ b/drivers/pinctrl/cirrus/Kconfig
@@ -2,6 +2,7 @@
 config PINCTRL_LOCHNAGAR
 	tristate "Cirrus Logic Lochnagar pinctrl driver"
 	depends on MFD_LOCHNAGAR
+	select GPIOLIB
 	select PINMUX
 	select PINCONF
 	select GENERIC_PINCONF
-- 
2.20.0