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Thu, 12 Jun 2025 06:15:28 -0700 (PDT) Received: from [127.0.1.1] ([2a01:cb1d:dc:7e00:8b99:9926:3892:5310]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4532dea17d7sm20619795e9.10.2025.06.12.06.15.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Jun 2025 06:15:27 -0700 (PDT) From: Bartosz Golaszewski Date: Thu, 12 Jun 2025 15:15:15 +0200 Subject: [PATCH 06/16] pinctrl: aw9523: use new GPIO line value setter callbacks Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250612-gpiochip-set-rv-pinctrl-remaining-v1-6-556b0a530cd4@linaro.org> References: <20250612-gpiochip-set-rv-pinctrl-remaining-v1-0-556b0a530cd4@linaro.org> In-Reply-To: <20250612-gpiochip-set-rv-pinctrl-remaining-v1-0-556b0a530cd4@linaro.org> To: Dvorkin Dmitry , Wells Lu , Linus Walleij , Bartosz Golaszewski , Patrice Chotard , Support Opensource , Baruch Siach , Sven Peter , Janne Grunau , Alyssa Rosenzweig , Neal Gompa , Viresh Kumar , Lakshmi Sowjanya D , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, asahi@lists.linux.dev, soc@lists.linux.dev, linux-sunxi@lists.linux.dev, Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski 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 --- drivers/pinctrl/pinctrl-aw9523.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/drivers/pinctrl/pinctrl-aw9523.c b/drivers/pinctrl/pinctrl-aw9523.c index 9bf53de20be874661168ba28f64517b4325ce0c3..c844540384198f40f1142528d815fb6e4d5194b7 100644 --- a/drivers/pinctrl/pinctrl-aw9523.c +++ b/drivers/pinctrl/pinctrl-aw9523.c @@ -625,14 +625,14 @@ static int aw9523_gpio_get_multiple(struct gpio_chip *chip, return ret; } -static void aw9523_gpio_set_multiple(struct gpio_chip *chip, +static int aw9523_gpio_set_multiple(struct gpio_chip *chip, unsigned long *mask, unsigned long *bits) { struct aw9523 *awi = gpiochip_get_data(chip); u8 mask_lo, mask_hi, bits_lo, bits_hi; unsigned int reg; - int ret; + int ret = 0; mask_lo = *mask; mask_hi = *mask >> 8; @@ -644,27 +644,33 @@ static void aw9523_gpio_set_multiple(struct gpio_chip *chip, reg = AW9523_REG_OUT_STATE(AW9523_PINS_PER_PORT); ret = regmap_write_bits(awi->regmap, reg, mask_hi, bits_hi); if (ret) - dev_warn(awi->dev, "Cannot write port1 out level\n"); + goto out; } if (mask_lo) { reg = AW9523_REG_OUT_STATE(0); ret = regmap_write_bits(awi->regmap, reg, mask_lo, bits_lo); if (ret) - dev_warn(awi->dev, "Cannot write port0 out level\n"); + goto out; } mutex_unlock(&awi->i2c_lock); + +out: + return ret; } -static void aw9523_gpio_set(struct gpio_chip *chip, - unsigned int offset, int value) +static int aw9523_gpio_set(struct gpio_chip *chip, unsigned int offset, + int value) { struct aw9523 *awi = gpiochip_get_data(chip); u8 regbit = offset % AW9523_PINS_PER_PORT; + int ret; mutex_lock(&awi->i2c_lock); - regmap_update_bits(awi->regmap, AW9523_REG_OUT_STATE(offset), - BIT(regbit), value ? BIT(regbit) : 0); + ret = regmap_update_bits(awi->regmap, AW9523_REG_OUT_STATE(offset), + BIT(regbit), value ? BIT(regbit) : 0); mutex_unlock(&awi->i2c_lock); + + return ret; } @@ -779,8 +785,8 @@ static int aw9523_init_gpiochip(struct aw9523 *awi, unsigned int npins) gc->direction_output = aw9523_direction_output; gc->get = aw9523_gpio_get; gc->get_multiple = aw9523_gpio_get_multiple; - gc->set = aw9523_gpio_set; - gc->set_multiple = aw9523_gpio_set_multiple; + gc->set_rv = aw9523_gpio_set; + gc->set_multiple_rv = aw9523_gpio_set_multiple; gc->set_config = gpiochip_generic_config; gc->parent = dev; gc->owner = THIS_MODULE;