linux-kernel - [PATCH RFC v1 2/2] pinctrl: meson: wire up the gpio_chip's set

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Message-Id: <20200411170356.1578031-3-martin.blumenstingl@googlemail.com>
Date:   Sat, 11 Apr 2020 19:03:56 +0200
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     linus.walleij@...aro.org, linux-gpio@...r.kernel.org,
        linux-amlogic@...ts.infradead.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        jbrunet@...libre.com,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: [PATCH RFC v1 2/2] pinctrl: meson: wire up the gpio_chip's set_config callback

Use gpiochip_generic_config for the gpio_chip's set_config callback so
GPIO flags like GPIO_PULL_UP or GPIO_PULL_DOWN can be used in the board
.dts descriptions.
This is required for some Meson8m2 boards where GPIO_BSD_EN provides the
"MUTE" signal and requires enabling the internal pull-up resistor.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
---
 drivers/pinctrl/meson/pinctrl-meson.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c
index 291f3078e7c7..079f8ee8d353 100644
--- a/drivers/pinctrl/meson/pinctrl-meson.c
+++ b/drivers/pinctrl/meson/pinctrl-meson.c
@@ -603,6 +603,7 @@ static int meson_gpiolib_register(struct meson_pinctrl *pc)
 	pc->chip.parent = pc->dev;
 	pc->chip.request = gpiochip_generic_request;
 	pc->chip.free = gpiochip_generic_free;
+	pc->chip.set_config = gpiochip_generic_config;
 	pc->chip.get_direction = meson_gpio_get_direction;
 	pc->chip.direction_input = meson_gpio_direction_input;
 	pc->chip.direction_output = meson_gpio_direction_output;
-- 
2.26.0