From: Kishon Vijay Abraham I Date: Mon, 13 Mar 2017 13:43:24 +0000 (+0530) Subject: PCI: dwc: artpec6: Populate cpu_addr_fixup ops X-Git-Tag: v4.12-rc1~65^2~19^2~27 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=62c5549fc4eab7ce7dc328b5c325e7a98b5b16c0;p=karo-tx-linux.git PCI: dwc: artpec6: Populate cpu_addr_fixup ops Populate cpu_addr_fixup ops to extract the least 28 bits of the corresponding CPU address. Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Bjorn Helgaas Acked-by: Niklas Cassel Acked-by: Joao Pinto --- diff --git a/drivers/pci/dwc/pcie-artpec6.c b/drivers/pci/dwc/pcie-artpec6.c index 6d23683c0892..5b3b3afc0edb 100644 --- a/drivers/pci/dwc/pcie-artpec6.c +++ b/drivers/pci/dwc/pcie-artpec6.c @@ -78,6 +78,11 @@ static void artpec6_pcie_writel(struct artpec6_pcie *artpec6_pcie, u32 offset, u regmap_write(artpec6_pcie->regmap, offset, val); } +static u64 artpec6_pcie_cpu_addr_fixup(u64 pci_addr) +{ + return pci_addr & ARTPEC6_CPU_TO_BUS_ADDR; +} + static int artpec6_pcie_establish_link(struct artpec6_pcie *artpec6_pcie) { struct dw_pcie *pci = artpec6_pcie->pci; @@ -142,11 +147,6 @@ static int artpec6_pcie_establish_link(struct artpec6_pcie *artpec6_pcie) */ dw_pcie_writel_dbi(pci, MISC_CONTROL_1_OFF, DBI_RO_WR_EN); - pp->io_base &= ARTPEC6_CPU_TO_BUS_ADDR; - pp->mem_base &= ARTPEC6_CPU_TO_BUS_ADDR; - pp->cfg0_base &= ARTPEC6_CPU_TO_BUS_ADDR; - pp->cfg1_base &= ARTPEC6_CPU_TO_BUS_ADDR; - /* setup root complex */ dw_pcie_setup_rc(pp); @@ -235,6 +235,7 @@ static int artpec6_add_pcie_port(struct artpec6_pcie *artpec6_pcie, } static const struct dw_pcie_ops dw_pcie_ops = { + .cpu_addr_fixup = artpec6_pcie_cpu_addr_fixup, }; static int artpec6_pcie_probe(struct platform_device *pdev)