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 7B6C21D5AC6 for ; Sun, 26 Oct 2025 15:30:17 +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=1761492617; cv=none; b=NraKrEoiHssnX2JvfgplcSXzPNXLMyXD0YlvnY4bJBqkZOUGZBdTLfwSq7FUY4erNN12BSECGQrDgfJCmoqQW23N5JLSJDL3tn85XMJl/4tXmaKAC2Fae1X8Ja4Qt4CQu7oarj11XkmYpZtIog3QiOhjbStwXH2UIPO+U71Rkx8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761492617; c=relaxed/simple; bh=h5a6Ge2h/DvaD4ODzl1xrkgroIxF8oiQMz0R0qQLdjc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WVawPl37+Ue5hYjFtsvrMzpN9otQVlmTjVSkRMbGvriHVFW/ClFwA6gHiuqEh7qY8thGALbMYpQsObUpiXUYlqFcL9TFHnxVheuuLyhCRmCEnDvTQOVyju/GEyBhL5bgDa/58p+IAFi3hLRTXjzts/R3cJi59qtPKi/p5U+l+H8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oq/rHlsj; 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="oq/rHlsj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C4A68C4CEE7; Sun, 26 Oct 2025 15:30:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761492617; bh=h5a6Ge2h/DvaD4ODzl1xrkgroIxF8oiQMz0R0qQLdjc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oq/rHlsj5hfZEkZfMvTkUDUP6RzwuFVwh1R8twNtkvBLAsgqLW4onysar/xEzSf1P Lhvm4hyLGLknhRe3r/xfRfeICT/ar3esr9cdMsSbCGYBarNw43UAHuEdKAwfCYa4id 9x602fERC50NVT4QUA09uDPig9Dhi+SdEwpLW673GArOVBK17NR4JC2OlLUb0KsTD5 A2YhPYjOqKLOvVcQ1VjYVUHVfCgqFWRuSBEJdVp6GQnIlEhbA4Hppa3ZOydIb8lvc2 6GN8XlLM07PAFm1DO/MEI4ZU9si9JH1pzeOkI45q/X3u3OzlC0WqRR0acLwd+9X5J6 PHv7e6h5edbtQ== 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] gpio: idio-16: Define fixed direction of the GPIO lines Date: Mon, 27 Oct 2025 00:29:43 +0900 Message-ID: <20251026152950.44505-1-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=2349; i=wbg@kernel.org; h=from:subject; bh=h5a6Ge2h/DvaD4ODzl1xrkgroIxF8oiQMz0R0qQLdjc=; b=owGbwMvMwCW21SPs1D4hZW3G02pJDBn/7JLOWR+wfHbjsV3mn2ezThfYcy4U77Ja1rTRhml13 oGXjlp2HaUsDGJcDLJiiiy95mfvPrikqvHjxfxtMHNYmUCGMHBxCsBENA8y/A/6sCpGhulZIv+x WoagUtOEFbeWL9vLVswzR2Hrz92tz/IYGS62/Qpa8iBzS4fuvfucNydbz99QsaBj4z1bkZ+SO3e lb+YGAA== X-Developer-Key: i=wbg@kernel.org; a=openpgp; fpr=8D37CDDDE0D22528F8E89FB6B54856CABE12232B Content-Transfer-Encoding: 8bit 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 (cherry picked from commit 2ba5772e530f73eb847fb96ce6c4017894869552) 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