From patchwork Fri Oct 28 13:35:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 13023648 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 2BF13C38A02 for ; Fri, 28 Oct 2022 13:36:58 +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=Z2ypZ8SZHZhUyziUXYzUHjm5mk8b1SOVdCj0+PWQfCU=; b=cw4mV9n8F85crl AHj/9LqIZICLu/zHEmVLe1ByPzrGIUwWPbQtsoPj4al7uOjWEH1ZglmPp4T5dVm4U2LOLrzNQT6Yf mznlf5gHydQIBDCxPb8twszNNJ1ASgB4HdykVwx3ZJw2PRvdHukDZGUVe6Ues51wTV5Qu+4tAFRz6 sFRTw5dxvmq5713qTe0AiOq5NcWqA7GNndvYFsHZ3sLSu6uJwfr30En2wzzXVyN2GKh5UWqygX/Sd sesTnIB2IwABxO0F8NJHpyZ1H+GGXiNEMmrbwyH9mBgbqdhnvM3PlOjkgiI2QEui+jHQfmBrtKebX DGVDZCkrO5p1wwZwtBOQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ooPXd-00HO63-6E; Fri, 28 Oct 2022 13:36:57 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ooPXW-00HNzY-Mp for linux-phy@lists.infradead.org; Fri, 28 Oct 2022 13:36:54 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 415A86288C; Fri, 28 Oct 2022 13:36:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DD7B2C43470; Fri, 28 Oct 2022 13:36:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1666964208; bh=3R9BPW6QSUhhXBNcO5z3mLwkQgvqyw63TThHmZ5QLXM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=R2wDTLBefPKWZu1r7cjfbTWE5jvgEbEvuMgfOU2viChfnBuJsfqUsx+C4Yx+Ex2jN T057xObRhaCEhMyWALpPBvQpaQng0VxmoZS798kyiglzf2JPlJrKhzFtS2qEIooFPK v34xY4VOLhfm77VnzlsHRSVJXGuNjD2mLW666xbdNFLREfX39+SRctd1RYfswAK0Gg eq3k4Djf9XIQUCLsLuK1SkXFsxg2+TVHb8mtIfjhY4VRv+RADQ0PI5Tz54DAiVD5gx 67pOdTaLnCW5ykLV+uyaC9d+i4iZb5mtgdGvz9nxJWqpRJ4LxN/yQ9M/k/JeAfAGXz GjT9DU8bJ4lig== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1ooPXH-0004r1-5H; Fri, 28 Oct 2022 15:36:35 +0200 From: Johan Hovold To: Vinod Koul Cc: Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Dmitry Baryshkov , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, Johan Hovold Subject: [PATCH v4 04/16] phy: qcom-qmp-pcie: clean up device-tree parsing Date: Fri, 28 Oct 2022 15:35:51 +0200 Message-Id: <20221028133603.18470-5-johan+linaro@kernel.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20221028133603.18470-1-johan+linaro@kernel.org> References: <20221028133603.18470-1-johan+linaro@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221028_063650_879876_B1AC427D X-CRM114-Status: GOOD ( 17.80 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Since the QMP driver split there will be at most a single child node so drop the obsolete iteration construct. While at it, drop the verbose error logging that would have been printed also on probe deferrals. Note that there's no need to check if there are additional child nodes (the kernel is not a devicetree validator), but let's return an error if there are no child nodes at all for now. Signed-off-by: Johan Hovold Reviewed-by: Dmitry Baryshkov --- drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 34 +++++++----------------- 1 file changed, 9 insertions(+), 25 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c index 667a87e7c917..bc96518ad6b0 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c @@ -2250,7 +2250,6 @@ static int qmp_pcie_probe(struct platform_device *pdev) void __iomem *serdes; const struct qmp_phy_cfg *cfg = NULL; struct qmp_pcie *qmp; - int num, id; int ret; qmp = devm_kzalloc(dev, sizeof(*qmp), GFP_KERNEL); @@ -2283,34 +2282,19 @@ static int qmp_pcie_probe(struct platform_device *pdev) if (ret) return ret; - num = of_get_available_child_count(dev->of_node); - /* do we have a rogue child node ? */ - if (num > 1) + child = of_get_next_available_child(dev->of_node, NULL); + if (!child) return -EINVAL; - id = 0; - for_each_available_child_of_node(dev->of_node, child) { - /* Create per-lane phy */ - ret = qmp_pcie_create(dev, child, serdes, cfg); - if (ret) { - dev_err(dev, "failed to create lane%d phy, %d\n", - id, ret); - goto err_node_put; - } + ret = qmp_pcie_create(dev, child, serdes, cfg); + if (ret) + goto err_node_put; - /* - * Register the pipe clock provided by phy. - * See function description to see details of this pipe clock. - */ - ret = phy_pipe_clk_register(qmp, child); - if (ret) { - dev_err(qmp->dev, - "failed to register pipe clock source\n"); - goto err_node_put; - } + ret = phy_pipe_clk_register(qmp, child); + if (ret) + goto err_node_put; - id++; - } + of_node_put(child); phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);