RE: [PATCH v2 4/5] PCI: uniphier: Add iATU register support
From: Gustavo Pimentel <hidden>
Date: 2020-05-15 13:16:14
Also in:
linux-devicetree, linux-pci, lkml
Hi Kunihiko, On Fri, May 15, 2020 at 10:59:2, Kunihiko Hayashi [off-list ref] wrote:
This gets iATU register area from reg property. In Synopsis DWC version
s/Synopsis/Synopsys in all patches
quoted hunk ↗ jump to hunk
4.80 or later, since iATU register area is separated from core register area, this area is necessary to get from DT independently. Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> --- drivers/pci/controller/dwc/pcie-uniphier.c | 7 +++++++ 1 file changed, 7 insertions(+)diff --git a/drivers/pci/controller/dwc/pcie-uniphier.c b/drivers/pci/controller/dwc/pcie-uniphier.c index a8dda39..493f105 100644 --- a/drivers/pci/controller/dwc/pcie-uniphier.c +++ b/drivers/pci/controller/dwc/pcie-uniphier.c@@ -447,6 +447,13 @@ static int uniphier_pcie_probe(struct platform_device *pdev) if (IS_ERR(priv->pci.dbi_base)) return PTR_ERR(priv->pci.dbi_base); + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "atu"); + if (res) { + priv->pci.atu_base = devm_pci_remap_cfg_resource(dev, res); + if (IS_ERR(priv->pci.atu_base)) + priv->pci.atu_base = NULL; + } + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "link"); priv->base = devm_ioremap_resource(dev, res); if (IS_ERR(priv->base))-- 2.7.4
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