[PATCH v6 01/11] PCI: designware-ep: Add multiple PFs support for DWC

[Rob Herring]

On Sat, 14 Mar 2020 11:30:28 +0800, Xiaowei Bao wrote:
> Add multiple PFs support for DWC, due to different PF have different
> config space, we use func_conf_select callback function to access
> the different PF's config space, the different chip company need to
> implement this callback function when use the DWC IP core and intend
> to support multiple PFs feature.
> 
> Signed-off-by: Xiaowei Bao <xiaowei.bao at nxp.com>
> Acked-by: Gustavo Pimentel <gustavo.pimentel at synopsys.com>
> ---
> v2:
>  - Remove duplicate redundant code.
>  - Reimplement the PF config space access way.
> v3:
>  - Integrate duplicate code for func_select.
>  - Move PCIE_ATU_FUNC_NUM(pf) (pf << 20) to ((pf) << 20).
>  - Add the comments for func_conf_select function.
> v4:
>  - Correct the commit message.
> v5:
>  - No change.
> v6:
>  - No change.
> 
>  drivers/pci/controller/dwc/pcie-designware-ep.c | 123 ++++++++++++++++--------
>  drivers/pci/controller/dwc/pcie-designware.c    |  59 ++++++++----
>  drivers/pci/controller/dwc/pcie-designware.h    |  18 +++-
>  3 files changed, 142 insertions(+), 58 deletions(-)
> 

Reviewed-by: Rob Herring <robh at kernel.org>