Às 9:52 AM de 3/7/2017, Kishon Vijay Abraham I escreveu:
> Populate cpu_addr_fixup ops to extract the least 28 bits of the
> corresponding cpu address.
>
> Cc: Niklas Cassel <niklas.cassel@xxxxxxxx>
> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
> ---
> drivers/pci/dwc/pcie-artpec6.c | 15 ++++++++++-----
> 1 file changed, 10 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/pci/dwc/pcie-artpec6.c b/drivers/pci/dwc/pcie-artpec6.c
> index fcd3ef8..5b3b3af 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);
>
> @@ -234,6 +234,10 @@ static int artpec6_add_pcie_port(struct artpec6_pcie *artpec6_pcie,
> return 0;
> }
>
> +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)
> {
> struct device *dev = &pdev->dev;
> @@ -252,6 +256,7 @@ static int artpec6_pcie_probe(struct platform_device *pdev)
> return -ENOMEM;
>
> pci->dev = dev;
> + pci->ops = &dw_pcie_ops;
>
> artpec6_pcie->pci = pci;
>
>
Simpler, no doubt.
Acked-By: Joao Pinto <jpinto@xxxxxxxxxxxx>
