From patchwork Sun Aug 29 13:13:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 12463977 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 89E96C4320A for ; Sun, 29 Aug 2021 13:13:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6ABB560F4C for ; Sun, 29 Aug 2021 13:13:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235564AbhH2NOU (ORCPT ); Sun, 29 Aug 2021 09:14:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47010 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235546AbhH2NON (ORCPT ); Sun, 29 Aug 2021 09:14:13 -0400 Received: from mail-lf1-x133.google.com (mail-lf1-x133.google.com [IPv6:2a00:1450:4864:20::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D5744C06175F for ; Sun, 29 Aug 2021 06:13:20 -0700 (PDT) Received: by mail-lf1-x133.google.com with SMTP id c8so12700066lfi.3 for ; Sun, 29 Aug 2021 06:13:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=V1qCDwrnxZyyxD18n557PC/vv86td/OsZqjd5RQRW8E=; b=jdppaH2W155GXBSpK9HAC3zcOJOHlIf4pWlevT2rBJaK2K4RL+tfztI/UYo+hW4cPu 0zCBlJzfpZvZj5m49gAwW6XfSPo+3ZkEpXYllog2PoKxHmBFWhLtG8Dn9SbQIwAHybEc veVLg9MOR1ETsT8FRVvJsnXX3ycN6piz2/RRZPfzd7VtITuX8/MCDHPs4EWcU8GKlDcV s0kPsKiT32JfX+QUOuxxOqCGgHG13Oe/BqgWg6sR611svTU2nBGGnU8oZFHMfpblERBX gM/UYdNj5mANmoAj5JXOMPo4p4426dnQEYXtW3pOafe0PvMn5iNnRorLXgzf56ZUBPJ0 WJSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=V1qCDwrnxZyyxD18n557PC/vv86td/OsZqjd5RQRW8E=; b=dO4lflCyhtnwGKW9Rf5qC51W9f/aDv5LdGmiAfZbIu2r8Lq+j/dRZ+rWFQdNgw9euW kKN4K2HSjKwlWX+SdVBn1WXbc1uJwOetdAN6Gz3egl3EkYfDDp1NgC+7q1diueCw+1+T sq0LEh535MM3UIx+cn7W9jWRT6NZ0hv1Aszn3NJrMCpRdrqxMIeN09H2RsFrkspOVmhT +h9plWc4vMu3vn2xYKf4RNYgo+sOtNl+dkt6TPSS5N0WKROhZ0boVGi/N/YzpKzNNveZ r7pSvNL1J6FdF1KvZ8zQB2b90pLH4TyMDKmk/vNXMIxTh2nCdOus4WFJwFYUzeHOU/vm 3wJw== X-Gm-Message-State: AOAM5308Yh8JGr9/gK6lfvpEYU+dq9PljVWCy0G19kvrb9+gqbfF/Kvh fr1cv3Oq3F/00FQXtKujVgTOUA== X-Google-Smtp-Source: ABdhPJyKjcg8TLay1deazFXUMwoYdOraqQvWUGRZSJPo25xL40sIUpHM/gyv+ASdRt7Jol3tqtKlQQ== X-Received: by 2002:a05:6512:e99:: with SMTP id bi25mr13658144lfb.486.1630242799230; Sun, 29 Aug 2021 06:13:19 -0700 (PDT) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id x13sm712503lfq.262.2021.08.29.06.13.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 29 Aug 2021 06:13:18 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Ulf Hansson , Marcel Holtmann , Johan Hedberg , Luiz Augusto von Dentz , Kalle Valo , "David S. Miller" , Jakub Kicinski , Stanimir Varbanov Cc: linux-arm-msm@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org, ath10k@lists.infradead.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [RFC v2 12/13] WIP: PCI: qcom: use pwrseq to power up bus devices Date: Sun, 29 Aug 2021 16:13:04 +0300 Message-Id: <20210829131305.534417-13-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210829131305.534417-1-dmitry.baryshkov@linaro.org> References: <20210829131305.534417-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Use bus-pwrseq device tree node to power up the devices on the bus. This is to be rewritten with the proper code parsing the device tree and powering up individual devices. Signed-off-by: Dmitry Baryshkov --- drivers/pci/controller/dwc/pcie-qcom.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 8a7a300163e5..a60d41fbcd6f 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include #include @@ -1467,6 +1468,7 @@ static int qcom_pcie_probe(struct platform_device *pdev) struct pcie_port *pp; struct dw_pcie *pci; struct qcom_pcie *pcie; + struct pwrseq *pwrseq; int ret; pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL); @@ -1520,6 +1522,17 @@ static int qcom_pcie_probe(struct platform_device *pdev) pp->ops = &qcom_pcie_dw_ops; + pwrseq = devm_pwrseq_get_optional(dev, "bus"); + if (IS_ERR(pwrseq)) { + ret = PTR_ERR(pwrseq); + goto err_pm_runtime_put; + } + if (pwrseq) { + ret = pwrseq_full_power_on(pwrseq); + if (ret) + goto err_pm_runtime_put; + } + ret = phy_init(pcie->phy); if (ret) { pm_runtime_disable(&pdev->dev);