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Thu, 20 Aug 2020 20:55:03 -0700 (PDT) Received: from xps15.herring.priv ([64.188.179.249]) by smtp.googlemail.com with ESMTPSA id 79sm413923ilc.9.2020.08.20.20.54.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Aug 2020 20:55:03 -0700 (PDT) From: Rob Herring To: Bjorn Helgaas , Lorenzo Pieralisi Subject: [PATCH v2 08/40] PCI: dwc: meson: Use pci_ops for root config space accessors Date: Thu, 20 Aug 2020 21:53:48 -0600 Message-Id: <20200821035420.380495-9-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200821_045505_979216_6B4C4E4D X-CRM114-Status: GOOD ( 13.62 ) X-Spam-Score: -1.1 (-) X-Spam-Report: SpamAssassin version 3.4.4 on casper.infradead.org summary: Content analysis details: (-1.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [209.85.166.65 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [209.85.166.65 listed in wl.mailspike.net] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.0 SPF_PASS SPF: sender matches SPF record 0.2 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.2 FREEMAIL_ENVFROM_END_DIGIT Envelope-from freemail username ends in digit [robherring2[at]gmail.com] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [robherring2[at]gmail.com] 0.2 FREEMAIL_FORGED_FROMDOMAIN 2nd level domains in From and EnvelopeFrom freemail headers are different X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kunihiko Hayashi , Neil Armstrong , linux-pci@vger.kernel.org, Binghui Wang , Bjorn Andersson , Masahiro Yamada , Thierry Reding , linux-arm-kernel@axis.com, Jonathan Chocron , Jonathan Hunter , Fabio Estevam , Jerome Brunet , Marc Zyngier , Jesper Nilsson , linux-samsung-soc@vger.kernel.org, Dilip Kota , Kevin Hilman , Pratyush Anand , Krzysztof Kozlowski , Kishon Vijay Abraham I , Kukjin Kim , NXP Linux Team , Xiaowei Song , Richard Zhu , Martin Blumenstingl , linux-arm-msm@vger.kernel.org, Sascha Hauer , Yue Wang , Murali Karicheri , linux-tegra@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Jingoo Han , Andy Gross , Stanimir Varbanov , Pengutronix Kernel Team , Gustavo Pimentel , Shawn Guo , Shawn Guo , Lucas Stach Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org Now that DWC drivers can setup their own pci_ops for the root and child buses, convert the Amlogic meson driver to use the standard pci_ops for root bus config accesses. Cc: Yue Wang Cc: Lorenzo Pieralisi Cc: Bjorn Helgaas Cc: Kevin Hilman Cc: linux-amlogic@lists.infradead.org Signed-off-by: Rob Herring --- drivers/pci/controller/dwc/pci-meson.c | 23 ++++++++++------------- 1 file changed, 10 insertions(+), 13 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-meson.c b/drivers/pci/controller/dwc/pci-meson.c index 4f183b96afbb..f4d822190359 100644 --- a/drivers/pci/controller/dwc/pci-meson.c +++ b/drivers/pci/controller/dwc/pci-meson.c @@ -383,13 +383,12 @@ static void meson_pcie_enable_interrupts(struct meson_pcie *mp) dw_pcie_msi_init(&mp->pci.pp); } -static int meson_pcie_rd_own_conf(struct pcie_port *pp, int where, int size, - u32 *val) +static int meson_pcie_rd_own_conf(struct pci_bus *bus, u32 devfn, + int where, int size, u32 *val) { - struct dw_pcie *pci = to_dw_pcie_from_pp(pp); int ret; - ret = dw_pcie_read(pci->dbi_base + where, size, val); + ret = pci_generic_config_read(bus, devfn, where, size, val); if (ret != PCIBIOS_SUCCESSFUL) return ret; @@ -410,13 +409,11 @@ static int meson_pcie_rd_own_conf(struct pcie_port *pp, int where, int size, return PCIBIOS_SUCCESSFUL; } -static int meson_pcie_wr_own_conf(struct pcie_port *pp, int where, - int size, u32 val) -{ - struct dw_pcie *pci = to_dw_pcie_from_pp(pp); - - return dw_pcie_write(pci->dbi_base + where, size, val); -} +static struct pci_ops meson_pci_ops = { + .map_bus = dw_pcie_own_conf_map_bus, + .read = meson_pcie_rd_own_conf, + .write = pci_generic_config_write, +}; static int meson_pcie_link_up(struct dw_pcie *pci) { @@ -463,6 +460,8 @@ static int meson_pcie_host_init(struct pcie_port *pp) struct meson_pcie *mp = to_meson_pcie(pci); int ret; + pp->bridge->ops = &meson_pci_ops; + ret = meson_pcie_establish_link(mp); if (ret) return ret; @@ -473,8 +472,6 @@ static int meson_pcie_host_init(struct pcie_port *pp) } static const struct dw_pcie_host_ops meson_pcie_host_ops = { - .rd_own_conf = meson_pcie_rd_own_conf, - .wr_own_conf = meson_pcie_wr_own_conf, .host_init = meson_pcie_host_init, };