linux-kernel - [PATCH 3/4] gpio/rockchip: handle deferring input-enable pinconfs

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Date:   Mon, 28 Mar 2022 01:50:04 +0100
From:   Caleb Connolly <kc@...tmarketos.org>
To:     Caleb Connolly <kc@...tmarketos.org>,
        Rob Herring <robh+dt@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, martijn@...xit.nl,
        Arnaud Ferraris <arnaud.ferraris@...labora.com>
Subject: [PATCH 3/4] gpio/rockchip: handle deferring input-enable pinconfs

Add support for deferred PIN_CONFIG_INPUT_ENABLE handling.

Signed-off-by: Caleb Connolly <kc@...tmarketos.org>
---
 drivers/gpio/gpio-rockchip.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpio/gpio-rockchip.c b/drivers/gpio/gpio-rockchip.c
index bcf5214e3586..e342a6dc4c6c 100644
--- a/drivers/gpio/gpio-rockchip.c
+++ b/drivers/gpio/gpio-rockchip.c
@@ -760,6 +760,11 @@ static int rockchip_gpio_probe(struct platform_device *pdev)
 				dev_warn(dev, "setting output pin %u to %u failed\n", cfg->pin,
 					 cfg->arg);
 			break;
+		case PIN_CONFIG_INPUT_ENABLE:
+			ret = rockchip_gpio_direction_input(&bank->gpio_chip, cfg->pin);
+			if (ret)
+				dev_warn(dev, "setting input pin %u failed\n", cfg->pin);
+			break;
 		default:
 			dev_warn(dev, "unknown deferred config param %d\n", cfg->param);
 			break;
-- 
2.35.1