From patchwork Thu Dec 23 01:10:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Helgaas X-Patchwork-Id: 12697738 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25AF4C4332F for ; Thu, 23 Dec 2021 01:11:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345609AbhLWBLZ (ORCPT ); Wed, 22 Dec 2021 20:11:25 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:49458 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345633AbhLWBLT (ORCPT ); Wed, 22 Dec 2021 20:11:19 -0500 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 7953C61D98; Thu, 23 Dec 2021 01:11:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 99289C36AEA; Thu, 23 Dec 2021 01:11:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1640221878; bh=Vi54mz/4hxthWCKu01W9eiBvXWzlLPEqbkFMBL2+LVo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=s8pS7WSXaJ0we2kX41QnNq/kpLw+seDJ3eV4B93lirSpLX5GpXn+Bbo0C3ZCOk4/8 5gFIVA7fGAsUgrZr0Z464BSzLnRCdORcsIpJALlPPF4356Jp6SlngEywHUK7lZEG10 DwfSW3skPCtAOHQzhq4aElCd92JQB3W5MzTmURuw2EHN+qU/2FGo0pelCtU/J9uDsZ x7qNWAPz+NqXfGuzYP7+zIGvItWvY0KwWKDENdmCdpHy9dpv8jyG4+mqvfmuQF0Ebn CDbbEVXrNmOqeoRbmP4iFSS0Y9zTTX+ue28n2wZ0y3QAduCZSheod9nnfoFgOLBP9w ZNOiV0Z2Emd+Q== From: Bjorn Helgaas To: linux-pci@vger.kernel.org, Fan Fei Cc: Lorenzo Pieralisi , Rob Herring , linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, Shuah Khan , Bjorn Helgaas , Kishon Vijay Abraham I , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 05/23] PCI: dra7xx: Prefer of_device_get_match_data() Date: Wed, 22 Dec 2021 19:10:36 -0600 Message-Id: <20211223011054.1227810-6-helgaas@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211223011054.1227810-1-helgaas@kernel.org> References: <20211223011054.1227810-1-helgaas@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Fan Fei The dra7xx driver only needs the device data, not the whole struct of_device_id. Use of_device_get_match_data() instead of of_match_device(). No functional change intended. [bhelgaas: commit log] Signed-off-by: Fan Fei Signed-off-by: Bjorn Helgaas Cc: Kishon Vijay Abraham I Cc: linux-omap@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org --- drivers/pci/controller/dwc/pci-dra7xx.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c index a4221f6f3629..12d19183e746 100644 --- a/drivers/pci/controller/dwc/pci-dra7xx.c +++ b/drivers/pci/controller/dwc/pci-dra7xx.c @@ -697,16 +697,14 @@ static int dra7xx_pcie_probe(struct platform_device *pdev) struct device_node *np = dev->of_node; char name[10]; struct gpio_desc *reset; - const struct of_device_id *match; const struct dra7xx_pcie_of_data *data; enum dw_pcie_device_mode mode; u32 b1co_mode_sel_mask; - match = of_match_device(of_match_ptr(of_dra7xx_pcie_match), dev); - if (!match) + data = of_device_get_match_data(dev); + if (!data) return -EINVAL; - data = (struct dra7xx_pcie_of_data *)match->data; mode = (enum dw_pcie_device_mode)data->mode; b1co_mode_sel_mask = data->b1co_mode_sel_mask; From patchwork Thu Dec 23 01:10:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Helgaas X-Patchwork-Id: 12697739 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12112C433FE for ; Thu, 23 Dec 2021 01:11:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345631AbhLWBL2 (ORCPT ); Wed, 22 Dec 2021 20:11:28 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:49548 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345634AbhLWBLZ (ORCPT ); Wed, 22 Dec 2021 20:11:25 -0500 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 403BB61C1E; Thu, 23 Dec 2021 01:11:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 713A5C36AE5; Thu, 23 Dec 2021 01:11:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1640221884; bh=WOUkdh1NbhxbQ1Gq4rElA7a5wF5ya9shQ6vgwd/J/8o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XcYlS6fRfQS5o3OiQzeKUPl9PX6YTj2xTyv9ColCT1RtYUuHzUKFtXz6deCitMebs ujbGSOpKfSzSVneNicgpv2ntPkZycMsm160HY1uY4aNM8POK6nYtHEXA0UD00BVw+K lirrCj5b/2h0WqSUS01XHiO6pKGWvRc9n+BZ5p+F3lVjn2D+TYhUeTG6n326zd6gtI Mmu5U9oWU4y1CiZXRB/d4fyCPIr/Ij6WSMxYZKsO/TjnVOQrqYthIlpF0JbvJe2rYj 8q68Be8X2r86adz+5jA3TtNouIAfdgu20nxQZM+vBRWh5NEtIE5JIOFn1r7cj/dxc6 kquiE7eh9B8Vw== From: Bjorn Helgaas To: linux-pci@vger.kernel.org, Fan Fei Cc: Lorenzo Pieralisi , Rob Herring , linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, Shuah Khan , Bjorn Helgaas , Kishon Vijay Abraham I , Tom Joseph , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 08/23] PCI: j721e: Drop pointless of_device_get_match_data() cast Date: Wed, 22 Dec 2021 19:10:39 -0600 Message-Id: <20211223011054.1227810-9-helgaas@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211223011054.1227810-1-helgaas@kernel.org> References: <20211223011054.1227810-1-helgaas@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Bjorn Helgaas of_device_get_match_data() returns "void *", so no cast is needed when assigning the result to a pointer type. Drop the unnecessary cast. Signed-off-by: Bjorn Helgaas Cc: Kishon Vijay Abraham I Cc: Tom Joseph Cc: linux-omap@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org --- drivers/pci/controller/cadence/pci-j721e.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c index 918e11082e6a..cd43d1898482 100644 --- a/drivers/pci/controller/cadence/pci-j721e.c +++ b/drivers/pci/controller/cadence/pci-j721e.c @@ -354,7 +354,7 @@ static int j721e_pcie_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct device_node *node = dev->of_node; struct pci_host_bridge *bridge; - struct j721e_pcie_data *data; + const struct j721e_pcie_data *data; struct cdns_pcie *cdns_pcie; struct j721e_pcie *pcie; struct cdns_pcie_rc *rc; @@ -367,7 +367,7 @@ static int j721e_pcie_probe(struct platform_device *pdev) int ret; int irq; - data = (struct j721e_pcie_data *)of_device_get_match_data(dev); + data = of_device_get_match_data(dev); if (!data) return -EINVAL; From patchwork Thu Dec 23 01:10:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Helgaas X-Patchwork-Id: 12697740 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 23CC0C433F5 for ; Thu, 23 Dec 2021 01:11:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345707AbhLWBLd (ORCPT ); Wed, 22 Dec 2021 20:11:33 -0500 Received: from sin.source.kernel.org ([145.40.73.55]:57674 "EHLO sin.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345653AbhLWBL3 (ORCPT ); Wed, 22 Dec 2021 20:11:29 -0500 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 sin.source.kernel.org (Postfix) with ESMTPS id 2D867CE1F05; Thu, 23 Dec 2021 01:11:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3E3E5C36AE5; Thu, 23 Dec 2021 01:11:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1640221886; bh=eL22WxVnfWizuXg7JF9XO7PuirwfJH3BG09wKmU3gYY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=a6qmGpQ4Z1R+PC0Nzb8OWW8lQu0oF3N4cwXUFNu7vSaIhDnM9fn1gP8qjuhc+D2t/ yQ9S/d/ARscwNN0t3flXrGyZkiPVwLgeD4WySM4ATxlynnMu/Vr1uP1UA8RPdCavhq JmehnTuzMWUdsVMOL9W7cgt2QN+O5SUX6DKB+gD9XRiMiPNRc+H5g4AR4gI0EZNd/A am3gghZL2ewa8t18U0MfNNyBjxEPI911dUFapSpb6aV3mrkECqVOsuxP5nw26pX2zI MmjMbKG41wu9nEz3C8IuBAwHGojkd9uC6h540FZ7l+pnEAiG2EYuWrgJhVf+VtSxbB VAg2rSU6WkJ+g== From: Bjorn Helgaas To: linux-pci@vger.kernel.org, Fan Fei Cc: Lorenzo Pieralisi , Rob Herring , linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, Shuah Khan , Bjorn Helgaas , Kishon Vijay Abraham I , Tom Joseph , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 09/23] PCI: j721e: Drop redundant struct device * Date: Wed, 22 Dec 2021 19:10:40 -0600 Message-Id: <20211223011054.1227810-10-helgaas@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211223011054.1227810-1-helgaas@kernel.org> References: <20211223011054.1227810-1-helgaas@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Bjorn Helgaas The struct cdns_pcie already contains the struct device for the j721e PCIe controller. There's no need to store another copy in struct j721e_pcie. Remove the redundant copy from struct j721e_pcie. Signed-off-by: Bjorn Helgaas Cc: Kishon Vijay Abraham I Cc: Tom Joseph Cc: linux-omap@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org --- drivers/pci/controller/cadence/pci-j721e.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c index cd43d1898482..489586a4cdc7 100644 --- a/drivers/pci/controller/cadence/pci-j721e.c +++ b/drivers/pci/controller/cadence/pci-j721e.c @@ -51,11 +51,10 @@ enum link_status { #define MAX_LANES 2 struct j721e_pcie { - struct device *dev; + struct cdns_pcie *cdns_pcie; struct clk *refclk; u32 mode; u32 num_lanes; - struct cdns_pcie *cdns_pcie; void __iomem *user_cfg_base; void __iomem *intd_cfg_base; u32 linkdown_irq_regfield; @@ -99,7 +98,7 @@ static inline void j721e_pcie_intd_writel(struct j721e_pcie *pcie, u32 offset, static irqreturn_t j721e_pcie_link_irq_handler(int irq, void *priv) { struct j721e_pcie *pcie = priv; - struct device *dev = pcie->dev; + struct device *dev = pcie->cdns_pcie->dev; u32 reg; reg = j721e_pcie_intd_readl(pcie, STATUS_REG_SYS_2); @@ -165,7 +164,7 @@ static const struct cdns_pcie_ops j721e_pcie_ops = { static int j721e_pcie_set_mode(struct j721e_pcie *pcie, struct regmap *syscon, unsigned int offset) { - struct device *dev = pcie->dev; + struct device *dev = pcie->cdns_pcie->dev; u32 mask = J721E_MODE_RC; u32 mode = pcie->mode; u32 val = 0; @@ -184,7 +183,7 @@ static int j721e_pcie_set_mode(struct j721e_pcie *pcie, struct regmap *syscon, static int j721e_pcie_set_link_speed(struct j721e_pcie *pcie, struct regmap *syscon, unsigned int offset) { - struct device *dev = pcie->dev; + struct device *dev = pcie->cdns_pcie->dev; struct device_node *np = dev->of_node; int link_speed; u32 val = 0; @@ -205,7 +204,7 @@ static int j721e_pcie_set_link_speed(struct j721e_pcie *pcie, static int j721e_pcie_set_lane_count(struct j721e_pcie *pcie, struct regmap *syscon, unsigned int offset) { - struct device *dev = pcie->dev; + struct device *dev = pcie->cdns_pcie->dev; u32 lanes = pcie->num_lanes; u32 val = 0; int ret; @@ -220,7 +219,7 @@ static int j721e_pcie_set_lane_count(struct j721e_pcie *pcie, static int j721e_pcie_ctrl_init(struct j721e_pcie *pcie) { - struct device *dev = pcie->dev; + struct device *dev = pcie->cdns_pcie->dev; struct device_node *node = dev->of_node; struct of_phandle_args args; unsigned int offset = 0; @@ -377,7 +376,6 @@ static int j721e_pcie_probe(struct platform_device *pdev) if (!pcie) return -ENOMEM; - pcie->dev = dev; pcie->mode = mode; pcie->linkdown_irq_regfield = data->linkdown_irq_regfield;