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 428EA31283B; Mon, 8 Sep 2025 18:11:11 +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=1757355072; cv=none; b=bWds5oYsiSr7NvZ9TgXl5ejMbpSzGzGrPCGOYTzWzXtoIUZ0SGFInIaEB9Ih45GmSvwReQaukiXU38feRDxkfu04PvMeleRZicGMW6iIifet8AOQuE7nmzK0gVsA9mI9QSM+W3E9ZO+bEgthUXxnEEQNAHsyd4KkNmSk3qBPVBY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757355072; c=relaxed/simple; bh=lfdtXInB87tu2kO8lr4PclPJGDu1MGh0UniOZ5ZFUPg=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=s7S4jX3rcKbfbrRZFvDAB4jj6/raXXNQOQfo02r1H2zFd45SN/TEmHojtVdwzLjyyYOnc4FsEIxjflG3AjGXW8Y9gk0HG3Ti/dNi/LJcEsZbfOnBcy0dbgxF8U/N6vw5Eqe7vWqhEgqXQoKZ+QmwFaDjezIrl8V19icotHxYI2g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SsJSXMDA; 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="SsJSXMDA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A3BF2C4AF0B; Mon, 8 Sep 2025 18:11:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757355071; bh=lfdtXInB87tu2kO8lr4PclPJGDu1MGh0UniOZ5ZFUPg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SsJSXMDAgjrWt/CinApi/kfH/8IGCgQE9y6YylGIBATS7IcSBWWNry81z2gxcwVWB tM7RDdrsu+8LA94mFbNDO1MFtYTTIzlMBb2MGExtX0mkOfWrNM76q+d5ZXEgtaAoQL v6dPuMeNcBwaY8UzZiqj2blSBxgH/gBS6+jLsSDSXY1tdaa0m1JmpwlcMf9XtEfvvg h7L7tYWk0ld31Pi5kjxGMkOrVOH7uLPL9EE4/dk2dM1Elm/Fqhhq3OV7WohSU+MLMr RK9e7/6nvodl34f1VixxghUpbatZbmcdPbJnP4KOGfDWAl+RPVD0jbobHFISuYgtnq IawI8k8rQj62A== Received: by wens.tw (Postfix, from userid 1000) id 1BF805FEB3; Tue, 09 Sep 2025 02:11:09 +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 v4 04/10] soc: sunxi: sram: register regmap as syscon Date: Tue, 9 Sep 2025 02:10:53 +0800 Message-Id: <20250908181059.1785605-5-wens@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250908181059.1785605-1-wens@kernel.org> References: <20250908181059.1785605-1-wens@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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