From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5B65D45C0B for ; Sun, 26 Oct 2025 16:11:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761495088; cv=none; b=gY2LJGQhWJwQ6Ti0yKRQ70jemSd3u64R6KDm6m0dRktQdGRgVWewzxDbu6xzkQac+U1W50J/mVmEC5JWXaAnVuWbHphdgp2pOSrilQry7oif1K+jBMBYUJTRVKju+PSRI1uHpS2YJPf4D4njUobXm1kthHuR0+OchXidgxC5uP0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761495088; c=relaxed/simple; bh=3Y2qYsRm7Pht7RH/XTvW6RnaJdfFfqsu2INs5mn9RZ4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fcn+/M7kHvMbGKBpgxTgL3CBPcRwjHLbnrVLXBx6oZeLjvTqTvvEw6iACmxuuILSzwobFhghJv+ErkO6jI29d3TdBOu2+JLyM6w7vFLbRRf8SIdCke49NmS+5Jj9Fwohrzd+Rsc91eMUvy3d1UviH56qd0kTT9j3N4IIoAZPTDg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VH0uzrCq; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VH0uzrCq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 059F6C4CEE7; Sun, 26 Oct 2025 16:11:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761495088; bh=3Y2qYsRm7Pht7RH/XTvW6RnaJdfFfqsu2INs5mn9RZ4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VH0uzrCq0xi4gvplRTN7PO7SeE77qkdp68tJffVyNzEJEV2wrU4jk9X2tquqEHK9b Pb+dwnp8vvBI+vWD54s3GpZAk8cMEGkNSDvfNBe4TSAS8yMzOVJfIDh6/Q7tJ1rcdU wbSBivOnvKoHnN9iYUUM7VXpYaIjp5udKHQI0qhjXu5YfwRVhKpNgHajLVwLWVJ4dn NtoMGejOwaWUDPMfkRotrYGmjCePrQ5FGqlHrUp3RWZjLFtxe5IfPML/q8/jKA6Z90 0ldwNY3JLeCcmYALZgNHhZeV973uiCAtUdLVYHDRhQYQDgftt+55tNruCqC/0jnTBu WuHLvRwWxo2kA== From: Sasha Levin To: stable@vger.kernel.org Cc: William Breathitt Gray , Mark Cave-Ayland , Michael Walle , Andy Shevchenko , Linus Walleij , Bartosz Golaszewski , Sasha Levin Subject: [PATCH 6.17.y 3/3] gpio: idio-16: Define fixed direction of the GPIO lines Date: Sun, 26 Oct 2025 12:11:21 -0400 Message-ID: <20251026161121.102839-3-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251026161121.102839-1-sashal@kernel.org> References: <2025102645-grueling-ramrod-c231@gregkh> <20251026161121.102839-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: William Breathitt Gray [ Upstream commit 2ba5772e530f73eb847fb96ce6c4017894869552 ] The direction of the IDIO-16 GPIO lines is fixed with the first 16 lines as output and the remaining 16 lines as input. Set the gpio_config fixed_direction_output member to represent the fixed direction of the GPIO lines. Fixes: db02247827ef ("gpio: idio-16: Migrate to the regmap API") Reported-by: Mark Cave-Ayland Closes: https://lore.kernel.org/r/9b0375fd-235f-4ee1-a7fa-daca296ef6bf@nutanix.com Suggested-by: Michael Walle Cc: stable@vger.kernel.org # ae495810cffe: gpio: regmap: add the .fixed_direction_output configuration parameter Cc: stable@vger.kernel.org Reviewed-by: Andy Shevchenko Signed-off-by: William Breathitt Gray Reviewed-by: Linus Walleij Link: https://lore.kernel.org/r/20251020-fix-gpio-idio-16-regmap-v2-3-ebeb50e93c33@kernel.org Signed-off-by: Bartosz Golaszewski Signed-off-by: Sasha Levin --- drivers/gpio/gpio-idio-16.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpio/gpio-idio-16.c b/drivers/gpio/gpio-idio-16.c index 0103be977c66b..4fbae6f6a4972 100644 --- a/drivers/gpio/gpio-idio-16.c +++ b/drivers/gpio/gpio-idio-16.c @@ -6,6 +6,7 @@ #define DEFAULT_SYMBOL_NAMESPACE "GPIO_IDIO_16" +#include #include #include #include @@ -107,6 +108,7 @@ int devm_idio_16_regmap_register(struct device *const dev, struct idio_16_data *data; struct regmap_irq_chip *chip; struct regmap_irq_chip_data *chip_data; + DECLARE_BITMAP(fixed_direction_output, IDIO_16_NGPIO); if (!config->parent) return -EINVAL; @@ -164,6 +166,9 @@ int devm_idio_16_regmap_register(struct device *const dev, gpio_config.irq_domain = regmap_irq_get_domain(chip_data); gpio_config.reg_mask_xlate = idio_16_reg_mask_xlate; + bitmap_from_u64(fixed_direction_output, GENMASK_U64(15, 0)); + gpio_config.fixed_direction_output = fixed_direction_output; + return PTR_ERR_OR_ZERO(devm_gpio_regmap_register(dev, &gpio_config)); } EXPORT_SYMBOL_GPL(devm_idio_16_regmap_register); -- 2.51.0