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 7A155347BCC for ; Fri, 31 Oct 2025 13:12:19 +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=1761916339; cv=none; b=Bg/Zhu3QhiJOXORbph7AaiELD+VeRyKS8JsFLotJ2AEXjSuwXgJ1IZ70u0oHCVX5F4Fh14ifSDNEzte6VWM2IpALxtjwV/4tG+oLHG8F2NPTWDyMwNovxmjfNyhQoD+hVwhJOUWI4oYJj3nCeKDY+N4svvoGfeiqk1UITvKCYCk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761916339; c=relaxed/simple; bh=KunnmldYojxfHdEqE9Lx1qV9IjVG7Y5/nZPhkKcFJyI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CzPSAmXuFMF5nk90wCFQEDsBf/hLOZdG9ndkBQ9ruxKm21FEMhtRBsVubc4S7SUEqBRSimllNzt1ryubVfEbRAYCvZS5Dt3dbhjmb4FpXsaSLkh7mgimPYn7C/886HgyQSpLqVsi0o/Gox7HCr/v6NVXmkByJWzpVY58C37YeEI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jbLN3VJI; 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="jbLN3VJI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C0577C4CEE7; Fri, 31 Oct 2025 13:12:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761916339; bh=KunnmldYojxfHdEqE9Lx1qV9IjVG7Y5/nZPhkKcFJyI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jbLN3VJIFbaDUHSfjWFc5HR47Xi7INtgMPm8aZfKK050KUqMfVACNe88UI90QoGzz gsQsdTIOT01qUiZMW8gXC63o5nziS1UPvPgA40KDFXMUlhO2a7xuLAttN1J4V0RXC9 68tlAO7qNVOtAo9TRiGpxKbenj6NNmjdVvnXH8imm3BDfuaIMW4YcoQUsX9n2wHXaC I7aPy0xrQSzbqjiHLD+vKlUFuH7qLiyqomFJ0UNv4LYFYHL0uWUQW7fEsZ7/77uB3s JjkkVt3jeGmckHlKpjb4GJI6TF1jVKMdRIkJQCZS0RMhzLYOPC6Krstt0ypL6hWqUI VVDEhZDds7thw== From: William Breathitt Gray To: stable@vger.kernel.org Cc: William Breathitt Gray , Mark Cave-Ayland , Michael Walle , Andy Shevchenko , Linus Walleij , Bartosz Golaszewski Subject: [PATCH 6.6.y 5/5] gpio: idio-16: Define fixed direction of the GPIO lines Date: Fri, 31 Oct 2025 22:12:01 +0900 Message-ID: <20251031131203.973066-5-wbg@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <2025102619-plaster-sitting-ed2e@gregkh> References: <2025102619-plaster-sitting-ed2e@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2343; i=wbg@kernel.org; h=from:subject; bh=KunnmldYojxfHdEqE9Lx1qV9IjVG7Y5/nZPhkKcFJyI=; b=owGbwMvMwCW21SPs1D4hZW3G02pJDJksm2ctb2vsu+rxQ2RV/hbt+ewaQpHP3USmVUqeZVcyV 9xcWbmxo5SFQYyLQVZMkaXX/OzdB5dUNX68mL8NZg4rE8gQBi5OAZjIAj2G/1mKNRZlWxe9nVH+ 7LJ9FJvtCcYQYfEw4Ubdkm1vZYR7FjAynAxfJNZddampKE3fa6b8lsfO56d0SO///XLfo8Cov+L ZrAA= X-Developer-Key: i=wbg@kernel.org; a=openpgp; fpr=8D37CDDDE0D22528F8E89FB6B54856CABE12232B Content-Transfer-Encoding: 8bit [ 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: William Breathitt Gray --- 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 53b1eb876a12..e978fd0898aa 100644 --- a/drivers/gpio/gpio-idio-16.c +++ b/drivers/gpio/gpio-idio-16.c @@ -3,6 +3,7 @@ * GPIO library for the ACCES IDIO-16 family * Copyright (C) 2022 William Breathitt Gray */ +#include #include #include #include @@ -106,6 +107,7 @@ 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; @@ -163,6 +165,9 @@ 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