From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A30D8CA1002 for ; Sat, 6 Sep 2025 04:19:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=mOpXjH4zHe57lK3qdi/P8WojOgWdtQbWVpZlp1YAxCc=; b=B+8UeJgdX7Pnwk+//V2/CWzyQN 1V7jt1l/hlW5q65XCUo31o3CzDm3RR620gaq4+VKjz4DZopWS9Q5AKSPJu8r02vMwp9T0ZtkrtTk7 KlQgMoD01MPQg5fvKmyQ5mkmFeftqHby/R8WgnaBBrC9S/MPWeBGz6Zkz6DD4or8mqBmf45pqE6+S 8FY7bjVMqkTKTVwbdYiouQC+r5xc5EZ9PsfMpWmrXJaYEYkljQ351zfGixkRb5qWjjy++Yzwbeuvm 1vkbn0hCS8jCQJfwtxLNwTDiBwf7PMvCm0AUvllJu6+1L9LH6oSj5zLEUpydey7GNsVnnQaAn+Ho/ AqBNOXhA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uukOh-00000006Xt1-0itU; Sat, 06 Sep 2025 04:19:31 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uukJ5-00000006W35-3WvH for linux-arm-kernel@lists.infradead.org; Sat, 06 Sep 2025 04:13:44 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 112C644181; Sat, 6 Sep 2025 04:13:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BC1FBC4CEE7; Sat, 6 Sep 2025 04:13:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757132021; bh=lfdtXInB87tu2kO8lr4PclPJGDu1MGh0UniOZ5ZFUPg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=imNNXESu02WE1qAyRlqDwx5gn4CSI1yvviY+YPNUpQ7ahq06PBnc0KUIFEHPzTt97 seBu+49//TFDQgIijITmxTikt8UX7UcIrmtQ2y6yyL2jsNtWf3k2FszhN10W9ksFLh /ODLgEk0QChgcK5zQwcMC3ALVVaIxS5e/GAINLMxOyKobRPoVUOCosyDLVCNiuPEII zjseB6Esd0jrO+s5yc/9WdnsnVQrqXMoJvzVFMTs3nemYa8nOTsVw7fSUpN+rPhWwk GaEdE5bvRm8iGQob2+WKph8JzN8xJC7ECVS7lkLndYaaf4TFyv3+YVxy6Kwfvc5Ve+ 8uJJp3qJ241gw== Received: by wens.tw (Postfix, from userid 1000) id BFAFC5FEB3; Sat, 06 Sep 2025 12:13:38 +0800 (CST) From: Chen-Yu Tsai To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Andre Przywara , Jernej Skrabec Subject: [PATCH net-next v3 04/10] soc: sunxi: sram: register regmap as syscon Date: Sat, 6 Sep 2025 12:13:27 +0800 Message-Id: <20250906041333.642483-5-wens@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250906041333.642483-1-wens@kernel.org> References: <20250906041333.642483-1-wens@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250905_211343_906130_D01697D5 X-CRM114-Status: GOOD ( 15.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Chen-Yu Tsai If the system controller had a ethernet controller glue layer control register, a limited access regmap would be registered and tied to the system controller struct device for the ethernet driver to use. Until now, for the ethernet driver to acquire this regmap, it had to do a of_parse_phandle() + find device + dev_get_regmap() sequence. Since the syscon framework allows a provider to register a custom regmap for its device node, and the ethernet driver already uses syscon for one platform, this provides a much more easier way to pass the regmap. Use of_syscon_register_regmap() to register our regmap with the syscon framework so that consumers can retrieve it that way. Acked-by: Jernej Skrabec Signed-off-by: Chen-Yu Tsai --- Changes since v1: - Fix check on return value - Expand commit message --- drivers/soc/sunxi/sunxi_sram.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/soc/sunxi/sunxi_sram.c b/drivers/soc/sunxi/sunxi_sram.c index 4f8d510b7e1e..1837e1b5dce8 100644 --- a/drivers/soc/sunxi/sunxi_sram.c +++ b/drivers/soc/sunxi/sunxi_sram.c @@ -12,6 +12,7 @@ #include #include +#include #include #include #include @@ -377,6 +378,7 @@ static int __init sunxi_sram_probe(struct platform_device *pdev) const struct sunxi_sramc_variant *variant; struct device *dev = &pdev->dev; struct regmap *regmap; + int ret; sram_dev = &pdev->dev; @@ -394,6 +396,10 @@ static int __init sunxi_sram_probe(struct platform_device *pdev) regmap = devm_regmap_init_mmio(dev, base, &sunxi_sram_regmap_config); if (IS_ERR(regmap)) return PTR_ERR(regmap); + + ret = of_syscon_register_regmap(dev->of_node, regmap); + if (ret) + return ret; } of_platform_populate(dev->of_node, NULL, NULL, dev); -- 2.39.5