linux-kernel - [PATCH 11/12] gpio: omap: use new GPIO line value setter callbacks

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Message-Id: <20250610-gpiochip-set-rv-gpio-v1-11-3a9a3c1472ff@linaro.org>
Date: Tue, 10 Jun 2025 14:33:21 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>, 
 Bartosz Golaszewski <brgl@...ev.pl>, 
 Marek Behún <kabel@...nel.org>, 
 Conor Dooley <conor.dooley@...rochip.com>, 
 Daire McNamara <daire.mcnamara@...rochip.com>, 
 Daniel Palmer <daniel@...ngy.jp>, Romain Perier <romain.perier@...il.com>, 
 Avi Fishman <avifishman70@...il.com>, Tomer Maimon <tmaimon77@...il.com>, 
 Tali Perry <tali.perry1@...il.com>, Patrick Venture <venture@...gle.com>, 
 Nancy Yuen <yuenn@...gle.com>, Benjamin Fair <benjaminfair@...gle.com>, 
 Grygorii Strashko <grygorii.strashko@...com>, 
 Santosh Shilimkar <ssantosh@...nel.org>, Kevin Hilman <khilman@...nel.org>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-riscv@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org, 
 openbmc@...ts.ozlabs.org, linux-omap@...r.kernel.org, 
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 11/12] gpio: omap: use new GPIO 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-omap.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 54c4bfdccf56812b5f79435a97b6eb90904ca59c..ed5c88a5c5207063e1269763e6239441a42e0c3d 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -953,7 +953,7 @@ static int omap_gpio_set_config(struct gpio_chip *chip, unsigned offset,
 	return ret;
 }
 
-static void omap_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+static int omap_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
 {
 	struct gpio_bank *bank;
 	unsigned long flags;
@@ -962,10 +962,12 @@ static void omap_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 	raw_spin_lock_irqsave(&bank->lock, flags);
 	bank->set_dataout(bank, offset, value);
 	raw_spin_unlock_irqrestore(&bank->lock, flags);
+
+	return 0;
 }
 
-static void omap_gpio_set_multiple(struct gpio_chip *chip, unsigned long *mask,
-				   unsigned long *bits)
+static int omap_gpio_set_multiple(struct gpio_chip *chip, unsigned long *mask,
+				  unsigned long *bits)
 {
 	struct gpio_bank *bank = gpiochip_get_data(chip);
 	void __iomem *reg = bank->base + bank->regs->dataout;
@@ -977,6 +979,8 @@ static void omap_gpio_set_multiple(struct gpio_chip *chip, unsigned long *mask,
 	writel_relaxed(l, reg);
 	bank->context.dataout = l;
 	raw_spin_unlock_irqrestore(&bank->lock, flags);
+
+	return 0;
 }
 
 /*---------------------------------------------------------------------*/
@@ -1042,8 +1046,8 @@ static int omap_gpio_chip_init(struct gpio_bank *bank, struct device *pm_dev)
 	bank->chip.get_multiple = omap_gpio_get_multiple;
 	bank->chip.direction_output = omap_gpio_output;
 	bank->chip.set_config = omap_gpio_set_config;
-	bank->chip.set = omap_gpio_set;
-	bank->chip.set_multiple = omap_gpio_set_multiple;
+	bank->chip.set_rv = omap_gpio_set;
+	bank->chip.set_multiple_rv = omap_gpio_set_multiple;
 	if (bank->is_mpuio) {
 		bank->chip.label = "mpuio";
 		if (bank->regs->wkup_en)

-- 
2.48.1