From patchwork Wed Oct 19 11:35:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Hovold X-Patchwork-Id: 13011615 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 D5868C4332F for ; Wed, 19 Oct 2022 11:36:30 +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=oFB6DVtVoW5PdW X2bHCafHllugvYjTscIqUe3xFkwVPUStF3YvMOGLWdEIHhlJGPRk+cL3UN2zjyFmncsLXwkAnk+2v R6LPHSwtnjjiWq2WFFaGud8RaUNQL4thqdp0kgIKBCBGmaFQDMpXupl1vj/Ah9NrbCLbdpjnBsyjN wBR2jAvK1OB7Hl85CzBoE6BaxJS6sHDJ6hJ6Ce8Ml4sjAPGO4VaJ5EvEHOLhbkhpYOV9At9jygaYO MYKMmagYh0ZaPIMsvevKQeDHDQuXghdgClR2DhvVLIrPeCdmk5Yo789LUc5NzHu0wYqZqdJxzP3pv QmTiQLYcdKGB0zJB7lcw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ol7N8-000vDe-A1; Wed, 19 Oct 2022 11:36:30 +0000 Received: from ams.source.kernel.org ([2604:1380:4601:e00::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ol7N1-000v6F-0R for linux-phy@lists.infradead.org; Wed, 19 Oct 2022 11:36:26 +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 ams.source.kernel.org (Postfix) with ESMTPS id 931D6B8239D; Wed, 19 Oct 2022 11:36:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 14B15C43470; Wed, 19 Oct 2022 11:36:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1666179379; bh=3R9BPW6QSUhhXBNcO5z3mLwkQgvqyw63TThHmZ5QLXM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ifsSDtPC942/gZjyZq05/kninkH6yxBIDiVxut5/UzMpYZSwgSynt5k3jIzONRXpr BonC/IeWapTGN63Ybns7s08988udQq6bZ6ByioVbLb9hxHNDHUdzCrLvXNLW8yoU26 mgzuFfBUsCUWdaHqIolUWla4Jk8lYego3Ijef95cntMnhVCjN5v7TLlIIKY8js0hl9 CJSFFEAWr6yBKr8ZujRAJaueaW/pY6Hwv8C0fqjq4s2yxuybiTmveqLiNKNbVV5jUY fOVA4i5mzht4Y/YPJ+OPAlqV/2KtBMwv4NYcKIlz8I4lL/4VRWQtfWsZHAPKVFlqqg iGInOLRuSgIRw== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1ol7Ml-0005pN-Io; Wed, 19 Oct 2022 13:36:07 +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, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold Subject: [PATCH v2 04/15] phy: qcom-qmp-pcie: clean up device-tree parsing Date: Wed, 19 Oct 2022 13:35:41 +0200 Message-Id: <20221019113552.22353-5-johan+linaro@kernel.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20221019113552.22353-1-johan+linaro@kernel.org> References: <20221019113552.22353-1-johan+linaro@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221019_043623_433150_C23AE9E1 X-CRM114-Status: GOOD ( 18.81 ) 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 --- 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);