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Groups > linux.kernel > #1609693
| From | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 15/22] PCI: hisi: update PCI config space remap function |
| Date | 2017-03-27 12:10 +0200 |
| Message-ID | <tpzL5-6pP-63@gated-at.bofh.it> (permalink) |
| References | <tpzBo-66r-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
PCI configuration space should be mapped with a memory region type that generates on the CPU host bus non-posted write transations. Update the driver to use the devm_ioremap_nopost* interface to make sure the correct memory mappings for PCI configuration space are used. Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Gabriele Paoloni <gabriele.paoloni@huawei.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Zhou Wang <wangzhou1@hisilicon.com> --- drivers/pci/dwc/pcie-hisi.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/pci/dwc/pcie-hisi.c b/drivers/pci/dwc/pcie-hisi.c index fd66a31..66a91b2 100644 --- a/drivers/pci/dwc/pcie-hisi.c +++ b/drivers/pci/dwc/pcie-hisi.c @@ -99,7 +99,7 @@ static int hisi_pcie_init(struct pci_config_window *cfg) return -ENOMEM; } - reg_base = devm_ioremap(dev, res->start, resource_size(res)); + reg_base = devm_ioremap_nopost(dev, res->start, resource_size(res)); if (!reg_base) return -ENOMEM; @@ -296,10 +296,9 @@ static int hisi_pcie_probe(struct platform_device *pdev) } reg = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rc_dbi"); - pci->dbi_base = devm_ioremap_resource(dev, reg); + pci->dbi_base = devm_ioremap_nopost_resource(dev, reg); if (IS_ERR(pci->dbi_base)) return PTR_ERR(pci->dbi_base); - platform_set_drvdata(pdev, hisi_pcie); ret = hisi_add_pcie_port(hisi_pcie, pdev); @@ -360,7 +359,7 @@ static int hisi_pcie_platform_init(struct pci_config_window *cfg) return -EINVAL; } - reg_base = devm_ioremap(dev, res->start, resource_size(res)); + reg_base = devm_ioremap_nopost(dev, res->start, resource_size(res)); if (!reg_base) return -ENOMEM; -- 2.10.0
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[PATCH v2 00/22] PCI: fix config and I/O Address space memory mappings Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-03-27 12:00 +0200
[PATCH v2 06/22] ARM: implement ioremap_nopost() interface Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-03-27 12:10 +0200
Re: [PATCH v2 06/22] ARM: implement ioremap_nopost() interface Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-03-31 13:10 +0200
Re: [PATCH v2 06/22] ARM: implement ioremap_nopost() interface Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-04-05 12:30 +0200
[PATCH v2 21/22] PCI: keystone-dw: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-03-27 12:10 +0200
[PATCH v2 10/22] PCI: xilinx-nwl: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-03-27 12:10 +0200
[PATCH v2 11/22] PCI: spear13xx: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-03-27 12:10 +0200
[PATCH v2 19/22] PCI: tegra: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-03-27 12:10 +0200
[PATCH v2 12/22] PCI: rockchip: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-03-27 12:10 +0200
[PATCH v2 18/22] PCI: xgene: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-03-27 12:10 +0200
[PATCH v2 14/22] PCI: iproc-platform: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-03-27 12:10 +0200
[PATCH v2 22/22] PCI: versatile: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-03-27 12:10 +0200
[PATCH v2 17/22] PCI: armada8k: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-03-27 12:10 +0200
[PATCH v2 15/22] PCI: hisi: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-03-27 12:10 +0200
[PATCH v2 20/22] PCI: layerscape: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-03-27 12:10 +0200
[PATCH v2 13/22] PCI: qcom: update PCI config space remap function Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> - 2017-03-27 12:10 +0200
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