From patchwork Mon Feb 27 15:54:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 13153857 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 04C79C64ED8 for ; Mon, 27 Feb 2023 15:55:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=LFJ5MP8xjSeK1NsWhLbUUqn2aGxSgMPqnZ+h7X/D3ww=; b=yBFUbEnyH+9gir GGEIONack50xnV5ygJC0n43IFkIaw/pWMHRRdBnMFkAGoH/F/WJ9cqYTw9cxEugHey1PuQTJtG9Xf 1orKAIJNVdkmDXiRzGo8x/jyi117yUxlOdF4JjlVh9eR9JEyvpyBbJjsTe4+GygmkgFjFh0o/YdLo mpGwVZ3AKRwBOBSywShMmO2jTSz9jS7LSysPlwgHW+XfIkNAGjc2CxWAhREN+SSMMOs+gubGtjiIF 6VY5lE086ZiZkJggMYK+agWcKHa3aJkot/y+QzqIq6j0bINzwZrwbDZXtZtPeyZWHNX4GtPfYalEn V1BohBqPMwwcJIsE8oCQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pWfpz-00AG48-QC; Mon, 27 Feb 2023 15:54:51 +0000 Received: from phobos.denx.de ([85.214.62.61]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pWfpn-00AG1F-4K for linux-arm-kernel@lists.infradead.org; Mon, 27 Feb 2023 15:54:42 +0000 Received: from tr.lan (ip-86-49-120-218.bb.vodafone.cz [86.49.120.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id C3A6E85A7B; Mon, 27 Feb 2023 16:54:36 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1677513277; bh=zvV2YD0UV3KsEgaXHKPjZ5VzXCKzCsRPiqTxY5xb/SI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dAcwbcaFTi/j3joWZfmun9EgSMCakcK9v8bJb4rdNBOjEe5etM3pUaTjpmcgh6xtI hwp1OJsoX97ksrSAoI3zFlbMTszAcqFvneydPNR8jqr9aYm/P2UpaWBKal3m9c8dNt ZPmJLWL7sFjA/zx8VcOc+/+9y0REdtqknp86GAitEBI/cF8SwyrtCUohQhZ+BJOvNG d8YgWzHeAdLMgl2Y8kp6QdpmF86/cHZH65BLgGseG4KXk88FYaUGrRtH/hVIrh/K9U r/G0aqRZfM6skIylujTgtSB9+15lfU6aUF3B8bJa8pwQ1HXVilET/3d4Y3QRk4Imhr Z/SLSsLFDRe3A== From: Marek Vasut To: linux-arm-kernel@lists.infradead.org Cc: Marek Vasut , Alexander Stein , Fabio Estevam , Krzysztof Kozlowski , Laurent Pinchart , Lucas Stach , NXP Linux Team , Paul Elder , Peng Fan , Pengutronix Kernel Team , Richard Cochran , Richard Zhu , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org Subject: [PATCH v5 3/5] soc: imx: imx8m-blk-ctrl: Scan subnodes and bind drivers to them Date: Mon, 27 Feb 2023 16:54:21 +0100 Message-Id: <20230227155423.40359-3-marex@denx.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230227155423.40359-1-marex@denx.de> References: <20230227155423.40359-1-marex@denx.de> MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.6 at phobos.denx.de X-Virus-Status: Clean X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230227_075441_501821_56C057D1 X-CRM114-Status: GOOD ( 13.78 ) 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 This particular block can have DT subnodes describing the LVDS LDB bridge. Instead of misusing simple-bus to scan for those nodes, do the scan within the driver. Fixes: 94e6197dadc9 ("arm64: dts: imx8mp: Add LCDIF2 & LDB nodes") Tested-by: Alexander Stein Signed-off-by: Marek Vasut Reviewed-by: Lucas Stach --- Cc: Alexander Stein Cc: Fabio Estevam Cc: Krzysztof Kozlowski Cc: Laurent Pinchart Cc: Lucas Stach Cc: NXP Linux Team Cc: Paul Elder Cc: Peng Fan Cc: Pengutronix Kernel Team Cc: Richard Cochran Cc: Richard Zhu Cc: Rob Herring Cc: Sascha Hauer Cc: Shawn Guo Cc: devicetree@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org --- V2: - Turn this into 3/4 - Warn and continue in case of error V3: Add RB from Liu V4: - Use devm_of_platform_populate() - Remove RB from Liu V5: - Handle devm_of_platform_populate() return value correctly - Add TB from Alexander --- drivers/soc/imx/imx8m-blk-ctrl.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/soc/imx/imx8m-blk-ctrl.c b/drivers/soc/imx/imx8m-blk-ctrl.c index 399cb85105a18..8bee7280303c5 100644 --- a/drivers/soc/imx/imx8m-blk-ctrl.c +++ b/drivers/soc/imx/imx8m-blk-ctrl.c @@ -310,6 +310,10 @@ static int imx8m_blk_ctrl_probe(struct platform_device *pdev) dev_set_drvdata(dev, bc); + ret = devm_of_platform_populate(dev); + if (ret) + goto cleanup_provider; + return 0; cleanup_provider: