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Message-Id: <20250506-gpiochip-set-rv-gpio-part3-v1-5-0fbdea5a9667@linaro.org>
Date: Tue, 06 May 2025 11:01:48 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <brgl@...ev.pl>, Vladimir Zapolskiy <vz@...ia.com>,
Piotr Wojtaszczyk <piotr.wojtaszczyk@...esys.com>,
Charles Keepax <ckeepax@...nsource.cirrus.com>,
Richard Fitzgerald <rf@...nsource.cirrus.com>,
Andy Shevchenko <andy@...nel.org>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-sound@...r.kernel.org,
patches@...nsource.cirrus.com,
Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH 05/12] gpio: madera: 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-madera.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)
diff --git a/drivers/gpio/gpio-madera.c b/drivers/gpio/gpio-madera.c
index 8f38303fcbc4a..e73e72d62bc8d 100644
--- a/drivers/gpio/gpio-madera.c
+++ b/drivers/gpio/gpio-madera.c
@@ -87,23 +87,17 @@ static int madera_gpio_direction_out(struct gpio_chip *chip,
MADERA_GP1_LVL_MASK, reg_val);
}
-static void madera_gpio_set(struct gpio_chip *chip, unsigned int offset,
- int value)
+static int madera_gpio_set(struct gpio_chip *chip, unsigned int offset,
+ int value)
{
struct madera_gpio *madera_gpio = gpiochip_get_data(chip);
struct madera *madera = madera_gpio->madera;
unsigned int reg_offset = 2 * offset;
unsigned int reg_val = value ? MADERA_GP1_LVL : 0;
- int ret;
- ret = regmap_update_bits(madera->regmap,
- MADERA_GPIO1_CTRL_1 + reg_offset,
- MADERA_GP1_LVL_MASK, reg_val);
-
- /* set() doesn't return an error so log a warning */
- if (ret)
- dev_warn(madera->dev, "Failed to write to 0x%x (%d)\n",
- MADERA_GPIO1_CTRL_1 + reg_offset, ret);
+ return regmap_update_bits(madera->regmap,
+ MADERA_GPIO1_CTRL_1 + reg_offset,
+ MADERA_GP1_LVL_MASK, reg_val);
}
static const struct gpio_chip madera_gpio_chip = {
@@ -115,7 +109,7 @@ static const struct gpio_chip madera_gpio_chip = {
.direction_input = madera_gpio_direction_in,
.get = madera_gpio_get,
.direction_output = madera_gpio_direction_out,
- .set = madera_gpio_set,
+ .set_rv = madera_gpio_set,
.set_config = gpiochip_generic_config,
.can_sleep = true,
};
--
2.45.2
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