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authorRob Herring <robh@kernel.org>2020-11-05 15:11:46 -0600
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2020-11-19 10:51:40 +0000
commita0fd361db8e508b8ce71c284b5ae3961759a0b3b (patch)
tree56d1cc5ddf361630ec0fe3edeb660888315b6a40 /drivers/pci/controller/dwc/pcie-spear13xx.c
parent1d567aac46101c8743e49990b94560f86740bb1e (diff)
PCI: dwc: Move "dbi", "dbi2", and "addr_space" resource setup into common code
Most DWC drivers use the common register resource names "dbi", "dbi2", and "addr_space", so let's move their setup into the DWC common code. This means 'dbi_base' in particular is setup later, but it looks like no drivers touch DBI registers before dw_pcie_host_init or dw_pcie_ep_init. Link: https://lore.kernel.org/r/20201105211159.1814485-4-robh@kernel.org Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Jingoo Han <jingoohan1@gmail.com> Cc: Kishon Vijay Abraham I <kishon@ti.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Murali Karicheri <m-karicheri2@ti.com> Cc: Minghuan Lian <minghuan.Lian@nxp.com> Cc: Mingkai Hu <mingkai.hu@nxp.com> Cc: Roy Zang <roy.zang@nxp.com> Cc: Jonathan Chocron <jonnyc@amazon.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com> Cc: Xiaowei Song <songxiaowei@hisilicon.com> Cc: Binghui Wang <wangbinghui@hisilicon.com> Cc: Andy Gross <agross@kernel.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Stanimir Varbanov <svarbanov@mm-sol.com> Cc: Pratyush Anand <pratyush.anand@gmail.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Jonathan Hunter <jonathanh@nvidia.com> Cc: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: linux-omap@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-arm-kernel@axis.com Cc: linux-arm-msm@vger.kernel.org Cc: linux-tegra@vger.kernel.org
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-spear13xx.c')
-rw-r--r--drivers/pci/controller/dwc/pcie-spear13xx.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/drivers/pci/controller/dwc/pcie-spear13xx.c b/drivers/pci/controller/dwc/pcie-spear13xx.c
index e348225f651f..1ed7e3501ff1 100644
--- a/drivers/pci/controller/dwc/pcie-spear13xx.c
+++ b/drivers/pci/controller/dwc/pcie-spear13xx.c
@@ -152,6 +152,8 @@ static int spear13xx_pcie_host_init(struct pcie_port *pp)
struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
struct spear13xx_pcie *spear13xx_pcie = to_spear13xx_pcie(pci);
+ spear13xx_pcie->app_base = pci->dbi_base + 0x2000;
+
spear13xx_pcie_establish_link(spear13xx_pcie);
spear13xx_pcie_enable_interrupts(spear13xx_pcie);
@@ -203,7 +205,6 @@ static int spear13xx_pcie_probe(struct platform_device *pdev)
struct dw_pcie *pci;
struct spear13xx_pcie *spear13xx_pcie;
struct device_node *np = dev->of_node;
- struct resource *dbi_base;
int ret;
spear13xx_pcie = devm_kzalloc(dev, sizeof(*spear13xx_pcie), GFP_KERNEL);
@@ -242,14 +243,6 @@ static int spear13xx_pcie_probe(struct platform_device *pdev)
return ret;
}
- dbi_base = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi");
- pci->dbi_base = devm_pci_remap_cfg_resource(dev, dbi_base);
- if (IS_ERR(pci->dbi_base)) {
- ret = PTR_ERR(pci->dbi_base);
- goto fail_clk;
- }
- spear13xx_pcie->app_base = pci->dbi_base + 0x2000;
-
if (of_property_read_bool(np, "st,pcie-is-gen1"))
pci->link_gen = 1;