From nobody Thu Sep 24 18:44:20 2026 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 EE0FC45562A; Mon, 21 Sep 2026 12:13:35 +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=1789992816; cv=none; b=TfaeobPjvb+Wff96Q8nUfmV5KGvl1L2yM4dimuslWL8m2REAEGBwSEZRdFWvjXM1m3UrM29zEc2Nfd2qMPHZbaqARHxaX3b3o5scfM8qd69at8QCWEZzJyawwK2hdujJnSq8TZRRxVTFOk0d2k2L576XAeIa7CsHEM38Nu98wgU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789992816; c=relaxed/simple; bh=GuGwr/ANtgzj612qSKzhrgnI1VT0+mdLCMwsK6iwPXc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=eX00SL6sdLEUsDjLpp+pZEZZP844uECqS+Ux9fZZkfrEqhw8aOEE2KzbVwENRm36MVZsyA7WYJUd2LHpoNRZvyY9VlVJeaHU4DI8MuHGSQxBVCUbWgexHu/pMyvEcH5sivs+RG2B/9LBwDjJWxSmnB+yQxhtMfBcdhQTaBPEzcY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NVLiyci0; 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="NVLiyci0" Received: by smtp.kernel.org (Postfix) with ESMTPS id 580F4C2BCB3; Mon, 21 Sep 2026 12:13:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1789992815; bh=GuGwr/ANtgzj612qSKzhrgnI1VT0+mdLCMwsK6iwPXc=; h=From:Date:Subject:To:Cc:Reply-To:From; b=NVLiyci0jC/AVn8R/iwqjsJCXdl2rx1YgW7BLy0uKklngsy3VwTEeO+G9nq7FvipF NAWU4XWFn/220723i/A3qCKNVVwDiAGulkou5pYbJZiasRCIMfUW1+C607BOFMD70a Rbf1/URpBE0OBRdugkD4JKjrb6ko9acEJ2QFkTfWq5QF1JfXonWE/04ca5LVpU762j hIw3mtIMvmu3D20s3QWEqfPhWJ2ArUl3zYqLkTsqHjibELckYhAXRtyqYXiiK4yjA4 mTkjNpWEorz1LpZNhaxiMk3z/yZxh68q9EC/4s5+2/M8yYMAFHeQRlXCmI6yH+oQK6 SuTmQJ93Z5/9g== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 346BFC982EE; Mon, 21 Sep 2026 12:13:35 +0000 (UTC) From: Long Zhao via B4 Relay Date: Mon, 21 Sep 2026 20:13:33 +0800 Subject: [PATCH] gpiolib: regmap: document gpio_regmap_get_chip() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260921-gpio-doc-followup-v1-1-618738124f4c@ambarella.com> X-B4-Tracking: v=1; b=H4sIAGwfsWoC/yXMQQqDQAxA0atI1gY0heL0KqWLMUZNETPMaFsQ7 95Rl2/x/wZJokqCR7FBlI8mtTmjLgvg0c+DoHbZQBXdK0c1DkENO2PsbZrsuwZsqHHM3t1a8pC 7EKXX3/l8vi6ntX0LL8cI9v0P19YZnnUAAAA= X-Change-ID: 20260921-gpio-doc-followup-8289cca93b2a To: Michael Walle , Linus Walleij , Bartosz Golaszewski Cc: Andy Shevchenko , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Long Zhao X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1789992813; l=1526; i=longzhao@ambarella.com; s=20260730; h=from:subject:message-id; bh=Y+L15bNZYFOa//sDZ7xQisO9fFHkBPK80aO8x+9P700=; b=6o98tZCvmhWBfOc2PDA4G7UaGMEcvfBdQp4oM4O2udMZUvTLl09SMB69+0SbdViydUZhy39m7 HcTo7EYJFRTA+oRFa0N2seY7pHF8+UZQv3947OJjMiHiVGforSgNWIr X-Developer-Key: i=longzhao@ambarella.com; a=ed25519; pk=/xGhPTOX0/eYsyTWzyjjgAIW1Z/YD+IlnOnvcdRozow= X-Endpoint-Received: by B4 Relay for longzhao@ambarella.com/20260730 with auth_id=903 X-Original-From: Long Zhao Reply-To: longzhao@ambarella.com From: Long Zhao Add kernel-doc for the new helper and state that it is only for GPIO controller drivers, not for GPIO consumers. This is a follow-up to v8 09/18. Signed-off-by: Long Zhao --- Follow-up to v8 09/18: https://lore.kernel.org/r/20260921-cv75-v5-v8-9-42de52d636a0@ambarella.com Add kernel-doc for gpio_regmap_get_chip(). --- drivers/gpio/gpio-regmap.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/gpio/gpio-regmap.c b/drivers/gpio/gpio-regmap.c index 21e0993b89e2..8ba7263729a8 100644 --- a/drivers/gpio/gpio-regmap.c +++ b/drivers/gpio/gpio-regmap.c @@ -295,6 +295,19 @@ void *gpio_regmap_get_drvdata(struct gpio_regmap *gpio) } EXPORT_SYMBOL_GPL(gpio_regmap_get_drvdata); =20 +/** + * gpio_regmap_get_chip() - Return the gpio_chip of a gpio-regmap instance + * @gpio: Handle returned by gpio_regmap_register() + * + * GPIO controller drivers that register through gpio-regmap but still + * implement a custom irqchip can use this to obtain the associated + * gpio_chip after registration. + * + * This must not be used outside of GPIO controller driver context, + * for example not by GPIO consumers. + * + * Return: Pointer to the embedded struct gpio_chip. + */ struct gpio_chip *gpio_regmap_get_chip(struct gpio_regmap *gpio) { return &gpio->gpio_chip; --- base-commit: 4b54e79ffe453959073b81638c3ac6c04177639e change-id: 20260921-gpio-doc-followup-8289cca93b2a Best regards, -- =20 Long Zhao