Re: [PATCHv2] PCI: designware-ep: Fix the Header Type check

[Rob Herring]

On Tue, Aug 18, 2020 at 3:35 AM Zhiqiang Hou <Zhiqiang.Hou@xxxxxxx> wrote:
>
> From: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
>
> The current check will result in the multiple function device
> fails to initialize. So fix the check by masking out the
> multiple function bit.
>
> Fixes: 0b24134f7888 ("PCI: dwc: Add validation that PCIe core is set to correct mode")
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
> ---
> V2:
>  - Add marco PCI_HEADER_TYPE_MASK and print the masked value.
>
>  drivers/pci/controller/dwc/pcie-designware-ep.c | 3 ++-
>  include/uapi/linux/pci_regs.h                   | 1 +
>  2 files changed, 3 insertions(+), 1 deletion(-)

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>