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[24.155.109.49]) by smtp.googlemail.com with ESMTPSA id e186sm354991oia.47.2019.10.28.09.33.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Oct 2019 09:33:40 -0700 (PDT) From: Rob Herring To: Andrew Murray , Bjorn Helgaas , Lorenzo Pieralisi Subject: [PATCH v3 17/25] PCI: versatile: Remove usage of PHYS_OFFSET Date: Mon, 28 Oct 2019 11:32:48 -0500 Message-Id: <20191028163256.8004-18-robh@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191028163256.8004-1-robh@kernel.org> References: <20191028163256.8004-1-robh@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191028_093343_338359_9E279C17 X-CRM114-Status: GOOD ( 14.25 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Heiko Stuebner , Karthikeyan Mitran , linux-pci@vger.kernel.org, Shawn Lin , Thomas Petazzoni , Toan Le , Will Deacon , Ryder Lee , Michal Simek , Christoph Hellwig , linux-rockchip@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, Linus Walleij , Ray Jui , Hou Zhiqiang , Simon Horman , linux-mediatek@lists.infradead.org, Matthias Brugger , linux-arm-kernel@lists.infradead.org, Scott Branden , Jingoo Han , rfi@lists.rocketboards.org, linux-renesas-soc@vger.kernel.org, Tom Joseph , Srinath Mannam , Gustavo Pimentel , Ley Foon Tan Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org PHYS_OFFSET is not universally defined on all arches and using it prevents enabling COMPILE_TEST. PAGE_OFFSET and __pa() are always available, so use them to get the physical start of memory address. This should have probably used 'dma-ranges' to get the address, but we don't want to force a DT update to do that. At least in QEMU, the SMAP registers have no effect (or perhaps the only value that is handled is 0). Cc: Lorenzo Pieralisi Cc: Andrew Murray Cc: Bjorn Helgaas Acked-by: Linus Walleij Signed-off-by: Rob Herring --- drivers/pci/controller/pci-versatile.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/pci/controller/pci-versatile.c b/drivers/pci/controller/pci-versatile.c index 18697f2ea345..eae1b859990b 100644 --- a/drivers/pci/controller/pci-versatile.c +++ b/drivers/pci/controller/pci-versatile.c @@ -99,7 +99,7 @@ static int versatile_pci_probe(struct platform_device *pdev) resource_list_for_each_entry(entry, &bridge->windows) { if (resource_type(entry->res) == IORESOURCE_MEM) { writel(entry->res->start >> 28, PCI_IMAP(mem)); - writel(PHYS_OFFSET >> 28, PCI_SMAP(mem)); + writel(__pa(PAGE_OFFSET) >> 28, PCI_SMAP(mem)); mem++; } } @@ -136,9 +136,9 @@ static int versatile_pci_probe(struct platform_device *pdev) /* * Configure the PCI inbound memory windows to be 1:1 mapped to SDRAM */ - writel(PHYS_OFFSET, local_pci_cfg_base + PCI_BASE_ADDRESS_0); - writel(PHYS_OFFSET, local_pci_cfg_base + PCI_BASE_ADDRESS_1); - writel(PHYS_OFFSET, local_pci_cfg_base + PCI_BASE_ADDRESS_2); + writel(__pa(PAGE_OFFSET), local_pci_cfg_base + PCI_BASE_ADDRESS_0); + writel(__pa(PAGE_OFFSET), local_pci_cfg_base + PCI_BASE_ADDRESS_1); + writel(__pa(PAGE_OFFSET), local_pci_cfg_base + PCI_BASE_ADDRESS_2); /* * For many years the kernel and QEMU were symbiotically buggy -- 2.20.1 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek