[U-Boot] [PATCH 1/2] x86: qemu: Make host bridge (b.d.f=0.0.0) visible

[Simon Glass]

Hi Bin,

On 20 May 2015 at 03:04, Bin Meng <bmeng.cn at gmail.com> wrote:
> The default weak version of pci_skip_dev() in drivers/pci/pci_common.c
> skips the host bridge (b.d.f = 0.0.0) which is actually the i440fx/q35
> chipset for QEMU targets. Make it visible in the PCI configuration space.
>
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
> ---
>
>  arch/x86/cpu/qemu/pci.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/arch/x86/cpu/qemu/pci.c b/arch/x86/cpu/qemu/pci.c
> index ac9c056..c09bdf2 100644
> --- a/arch/x86/cpu/qemu/pci.c
> +++ b/arch/x86/cpu/qemu/pci.c
> @@ -69,3 +69,13 @@ int board_pci_post_scan(struct pci_controller *hose)
>
>         return ret;
>  }
> +
> +/*
> + * The default weak version of pci_skip_dev() in drivers/pci/pci_common.c skips
> + * the host bridge (b.d.f = 0.0.0) which is actually the i440fx/q35 chipset for
> + * QEMU targets. We want to make it visible in the PCI configuration space.
> + */
> +int pci_skip_dev(struct pci_controller *hose, pci_dev_t dev)
> +{
> +       return 0;
> +}
> --

Would it be better to define CONFIG_PCI_CONFIG_HOST_BRIDGE?

Regards,
Simon