From patchwork Fri Aug 21 03:54:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rob Herring (Arm)" X-Patchwork-Id: 11727907 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AACAF1744 for ; Fri, 21 Aug 2020 03:57:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 92B1C20714 for ; Fri, 21 Aug 2020 03:57:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597982220; bh=cawIRPOanM4q3RIhd6+vc2sIs/Til8o0Yl6KJ7cE2uA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=STvKkDrK77dAquDIRsW2pEbKdPiIfwxur+47Pm9wI9sma396nokx2MKoNne5PO29Q hQXwczOVWV7TyJc08LdcIBasIiBOGvtKKnbALx4cxw/H8pfzoofyzxdC+Au4vEGRax RR3bgORl4D5f4EI/v0SXfMhyUNoFIt3fKc5sz6os= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728082AbgHUD5A (ORCPT ); Thu, 20 Aug 2020 23:57:00 -0400 Received: from mail-io1-f65.google.com ([209.85.166.65]:37259 "EHLO mail-io1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727807AbgHUD46 (ORCPT ); Thu, 20 Aug 2020 23:56:58 -0400 Received: by mail-io1-f65.google.com with SMTP id b16so485080ioj.4; Thu, 20 Aug 2020 20:56:57 -0700 (PDT) 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=9/YPThWKebuepD09jEOhLOS7SrW7ksPYY3UHELax/QU=; b=d1qJeTUtDUyEYXJ3St92Tp8URiCGPgf3NhXE1psc1WG8XNZ3+0ROmkjWxRWxvK6q+k CXrM9hd4k1dBXUncHhPPB3d5eodNKy+Cmv525A1aQLEsi80uNX+VYDEdsRCv8dqNcfxw 03WM6RRhPF7qmxUXR9E3Q6/FaDVaSBP3vjNIA6iwB4WfLVLWU0pKZEdqliLfMzr5AyO1 4IHe5pfca+oky+T4pF1Q6X7e2rmZc0/3KEeVviaX91b3sxw9JVREhUeQb8VCJLqc6otW UhUHJQTarVqTKz4CRV/ZOAnmqzL4f/74U8Ra0qFR2RHywspbKOEPbiWtZbWA/TP9gt4n rmGQ== X-Gm-Message-State: AOAM532qxeNRuBBheL2y3JpwvtMEup2brvdSUpkMWVzc2/cgJxwIMbde D+rPMjifHHikTQq1HOGTRA== X-Google-Smtp-Source: ABdhPJwTwqsPsKVkMoMEXHOo2cKMWdbZxZdy/oInmh65Y7ywfHBijNwvFaSB2WL1YEbhA5nsNJVKOg== X-Received: by 2002:a05:6638:1690:: with SMTP id f16mr859543jat.91.1597982216882; Thu, 20 Aug 2020 20:56:56 -0700 (PDT) Received: from xps15.herring.priv ([64.188.179.249]) by smtp.googlemail.com with ESMTPSA id 79sm413923ilc.9.2020.08.20.20.56.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Aug 2020 20:56:56 -0700 (PDT) From: Rob Herring To: Bjorn Helgaas , Lorenzo Pieralisi Cc: linux-pci@vger.kernel.org, Andy Gross , Binghui Wang , Bjorn Andersson , Dilip Kota , Fabio Estevam , Gustavo Pimentel , Jerome Brunet , Jesper Nilsson , Jingoo Han , Jonathan Chocron , Jonathan Hunter , Kevin Hilman , Kishon Vijay Abraham I , Krzysztof Kozlowski , Kukjin Kim , Kunihiko Hayashi , Lucas Stach , Martin Blumenstingl , Masahiro Yamada , Murali Karicheri , Neil Armstrong , NXP Linux Team , Pengutronix Kernel Team , Pratyush Anand , Richard Zhu , Sascha Hauer , Shawn Guo , Shawn Guo , Stanimir Varbanov , Thierry Reding , Xiaowei Song , Yue Wang , Marc Zyngier , linux-amlogic@lists.infradead.org, linux-arm-kernel@axis.com, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-omap@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH v2 40/40] PCI: dwc: Use DBI accessors Date: Thu, 20 Aug 2020 21:54:20 -0600 Message-Id: <20200821035420.380495-41-robh@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821035420.380495-1-robh@kernel.org> References: <20200821035420.380495-1-robh@kernel.org> MIME-Version: 1.0 Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org Convert the remaining cases of register accesses using dbi_base rather than dw_pcie_(read|write)[bwl]_dbi accessors. Cc: Lorenzo Pieralisi Cc: Bjorn Helgaas Cc: Pratyush Anand Cc: Thierry Reding Cc: Jonathan Hunter Cc: linux-tegra@vger.kernel.org Signed-off-by: Rob Herring --- drivers/pci/controller/dwc/pcie-spear13xx.c | 8 ++++---- drivers/pci/controller/dwc/pcie-tegra194.c | 10 ++++------ 2 files changed, 8 insertions(+), 10 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-spear13xx.c b/drivers/pci/controller/dwc/pcie-spear13xx.c index 0d8d0fe87f27..e348225f651f 100644 --- a/drivers/pci/controller/dwc/pcie-spear13xx.c +++ b/drivers/pci/controller/dwc/pcie-spear13xx.c @@ -86,12 +86,12 @@ static int spear13xx_pcie_establish_link(struct spear13xx_pcie *spear13xx_pcie) * default value in capability register is 512 bytes. So force * it to 128 here. */ - dw_pcie_read(pci->dbi_base + exp_cap_off + PCI_EXP_DEVCTL, 2, &val); + val = dw_pcie_readw_dbi(pci, exp_cap_off + PCI_EXP_DEVCTL); val &= ~PCI_EXP_DEVCTL_READRQ; - dw_pcie_write(pci->dbi_base + exp_cap_off + PCI_EXP_DEVCTL, 2, val); + dw_pcie_writew_dbi(pci, exp_cap_off + PCI_EXP_DEVCTL, val); - dw_pcie_write(pci->dbi_base + PCI_VENDOR_ID, 2, 0x104A); - dw_pcie_write(pci->dbi_base + PCI_DEVICE_ID, 2, 0xCD80); + dw_pcie_writew_dbi(pci, PCI_VENDOR_ID, 0x104A); + dw_pcie_writew_dbi(pci, PCI_DEVICE_ID, 0xCD80); /* enable ltssm */ writel(DEVICE_TYPE_RC | (1 << MISCTRL_EN_ID) diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index 1560c449757d..aa511ec0d800 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -816,26 +816,24 @@ static void config_gen3_gen4_eq_presets(struct tegra_pcie_dw *pcie) /* Program init preset */ for (i = 0; i < pcie->num_lanes; i++) { - dw_pcie_read(pci->dbi_base + CAP_SPCIE_CAP_OFF - + (i * 2), 2, &val); + val = dw_pcie_readw_dbi(pci, CAP_SPCIE_CAP_OFF + (i * 2)); val &= ~CAP_SPCIE_CAP_OFF_DSP_TX_PRESET0_MASK; val |= GEN3_GEN4_EQ_PRESET_INIT; val &= ~CAP_SPCIE_CAP_OFF_USP_TX_PRESET0_MASK; val |= (GEN3_GEN4_EQ_PRESET_INIT << CAP_SPCIE_CAP_OFF_USP_TX_PRESET0_SHIFT); - dw_pcie_write(pci->dbi_base + CAP_SPCIE_CAP_OFF - + (i * 2), 2, val); + dw_pcie_writew_dbi(pci, CAP_SPCIE_CAP_OFF + (i * 2), val); offset = dw_pcie_find_ext_capability(pci, PCI_EXT_CAP_ID_PL_16GT) + PCI_PL_16GT_LE_CTRL; - dw_pcie_read(pci->dbi_base + offset + i, 1, &val); + val = dw_pcie_readb_dbi(pci, offset + i); val &= ~PCI_PL_16GT_LE_CTRL_DSP_TX_PRESET_MASK; val |= GEN3_GEN4_EQ_PRESET_INIT; val &= ~PCI_PL_16GT_LE_CTRL_USP_TX_PRESET_MASK; val |= (GEN3_GEN4_EQ_PRESET_INIT << PCI_PL_16GT_LE_CTRL_USP_TX_PRESET_SHIFT); - dw_pcie_write(pci->dbi_base + offset + i, 1, val); + dw_pcie_writeb_dbi(pci, offset + i, val); } val = dw_pcie_readl_dbi(pci, GEN3_RELATED_OFF);