From patchwork Thu Sep 5 18:52:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiko Stuebner X-Patchwork-Id: 826124 Received: from gloria.sntech.de (gloria.sntech.de [185.11.138.130]) (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 D053D1A42CF; Thu, 5 Sep 2024 18:52:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.11.138.130 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725562375; cv=none; b=T9S6TjeR6SemFQ7/2qXNDkVt7ZPryBslWXEhBf68qrmID3x0JvZ5gwi1Tt605zZq+WHhPD0Apwj7VLA5MY+5Rrczu5vTr/8bUYg+j7W0XF+HAfqxtBNPGbZFcc9VpkPi9gWOXWUWvxQROAWjUoK0EnSYUML4q/hNaSPivdTr7AE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725562375; c=relaxed/simple; bh=F1F3xjofxTwzvwU+XNLOYef8SiHd35nW1uqksCGJicQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qFDYq44nzPPff7eGJNrr/ou+uX8MLK4wn3p9cKrFXrgOuNVcFBJBCo1JtI9RbAUqTfEfjAvyA6ZenOKwQzJqH4Wazf4qSwyc7IyiFfBsDfwxFQ7v6yfxu/lq/x49xPy5LqYScXDzSjNs8E9WqV0hAW4DIHB9dScuz0qMlJjV6rI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sntech.de; spf=pass smtp.mailfrom=sntech.de; dkim=pass (2048-bit key) header.d=sntech.de header.i=@sntech.de header.b=MafLyMVK; arc=none smtp.client-ip=185.11.138.130 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sntech.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sntech.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sntech.de header.i=@sntech.de header.b="MafLyMVK" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=EBMUNEsgg3HNHWKY+I4PZ0QO6FHi+iK8X6AqrZyqPbo=; b=MafLyMVKQPzVlTRwKI9hWGEGJy ipJaNMmahZM9kb4bry+d6315QlbuUSD3hGlkr3m9T2eJAKAZeXSLufi+aFpMjZIAQymKE4UnxwJHw jdAFvtLfLvhe79o/cOk3ngehe9RWW4KdB8HnUKFWnaCv65663y05gk9Q1uVjF7+NII2I1Nwg7p3zV W4sNNhKJhFMsQ21pmODmaJ5FdO85UaBUN0q0swZIxx1/vVq/nLulVB2aw4nyBOBaIlGTjDblCxS2g w0CpX36Ly3sQF7YqTvN7mfDypn/bQmKj8ku8WrpZZa8loGsh5HqvgCaNh1wDN8x4xjbcz9w1VshhF RKRO9eBQ==; Received: from i5e860d0f.versanet.de ([94.134.13.15] helo=phil.lan) by gloria.sntech.de with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1smHaw-0003sR-L9; Thu, 05 Sep 2024 20:52:38 +0200 From: Heiko Stuebner To: lee@kernel.org Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, jdelvare@suse.com, linux@roeck-us.net, heiko@sntech.de, dmitry.torokhov@gmail.com, pavel@ucw.cz, ukleinek@debian.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-input@vger.kernel.org, linux-leds@vger.kernel.org Subject: [PATCH v7 1/8] mfd: core: make platform_data pointer const in struct mfd_cell Date: Thu, 5 Sep 2024 20:52:25 +0200 Message-ID: <20240905185232.2899464-2-heiko@sntech.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240905185232.2899464-1-heiko@sntech.de> References: <20240905185232.2899464-1-heiko@sntech.de> Precedence: bulk X-Mailing-List: linux-leds@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The content of the platform_data of a struct mfd_cell is simply passed on to the platform_device_add_data() call in mfd_add_device() . platform_device_add_data() already handles the data behind that pointer as const, so there is no reason to not extend this to struct mfd_cell. This allows to pass structs gathered from of_device_get_match_data() as platform-data to sub-devices - which is retrieved as const already. Signed-off-by: Heiko Stuebner --- include/linux/mfd/core.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h index e8bcad641d8c..faeea7abd688 100644 --- a/include/linux/mfd/core.h +++ b/include/linux/mfd/core.h @@ -72,7 +72,7 @@ struct mfd_cell { int (*resume)(struct platform_device *dev); /* platform data passed to the sub devices drivers */ - void *platform_data; + const void *platform_data; size_t pdata_size; /* Matches ACPI */