linux-kernel - [PATCH 02/12] gpio: eic-sprd: use new line value setter callbacks

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Message-Id: <20250407-gpiochip-set-rv-gpio-part1-v1-2-78399683ca38@linaro.org>
Date: Mon, 07 Apr 2025 09:13:11 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, Orson Zhai <orsonzhai@...il.com>, 
 Baolin Wang <baolin.wang@...ux.alibaba.com>, 
 Chunyan Zhang <zhang.lyra@...il.com>, Andy Shevchenko <andy@...nel.org>, 
 Peter Tyser <ptyser@...-inc.com>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 02/12] gpio: eic-sprd: use new line value setter callbacks

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 drivers/gpio/gpio-eic-sprd.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c
index d4bf8d187e16..f2973d0b7138 100644
--- a/drivers/gpio/gpio-eic-sprd.c
+++ b/drivers/gpio/gpio-eic-sprd.c
@@ -203,9 +203,10 @@ static int sprd_eic_direction_input(struct gpio_chip *chip, unsigned int offset)
 	return 0;
 }
 
-static void sprd_eic_set(struct gpio_chip *chip, unsigned int offset, int value)
+static int sprd_eic_set(struct gpio_chip *chip, unsigned int offset, int value)
 {
 	/* EICs are always input, nothing need to do here. */
+	return 0;
 }
 
 static int sprd_eic_set_debounce(struct gpio_chip *chip, unsigned int offset,
@@ -662,7 +663,7 @@ static int sprd_eic_probe(struct platform_device *pdev)
 		sprd_eic->chip.request = sprd_eic_request;
 		sprd_eic->chip.free = sprd_eic_free;
 		sprd_eic->chip.set_config = sprd_eic_set_config;
-		sprd_eic->chip.set = sprd_eic_set;
+		sprd_eic->chip.set_rv = sprd_eic_set;
 		fallthrough;
 	case SPRD_EIC_ASYNC:
 	case SPRD_EIC_SYNC:

-- 
2.45.2