Re: [PATCH 0/4] Raspberry Pi 4 PCIe support

From: Nicolas Saenz Julienne
Date: Thu Nov 07 2019 - 04:58:22 EST


On Wed, 2019-11-06 at 13:51 -0800, Florian Fainelli wrote:
> On 11/6/19 1:45 PM, Nicolas Saenz Julienne wrote:
> > This series aims at providing support for Raspberry Pi 4's PCIe
> > controller, which is also shared with the Broadcom STB family of
> > devices.
> >
> > There was a previous attempt to upstream this some years ago[1] but was
> > blocked as most STB PCIe integrations have a sparse DMA mapping[2] which
> > is something currently not supported by the kernel. Luckily this is not
> > the case for the Raspberry Pi 4.
> >
> > Note that the driver code is to be based on top of Rob Herring's series
> > simplifying inbound and outbound range parsing.
> >
> > [1] https://patchwork.kernel.org/cover/10605933/
> > [2] https://patchwork.kernel.org/patch/10605957/
>
> Thanks for picking up on this Nicolas. Can you amend the MAINTAINERS
> file with something along those lines such that PCIe binding and driver
> changes are picked up by both the BCM2835 and BCM7XXX entries?
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index cba1095547fd..4276a30f3294 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -3196,6 +3196,8 @@ S: Maintained
> N: bcm2711
> N: bcm2835
> F: drivers/staging/vc04_services
> +F: Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
> +F: drivers/pci/controller/pcie-brcmstb.c
>
> BROADCOM BCM47XX MIPS ARCHITECTURE
> M: Hauke Mehrtens <hauke@xxxxxxxxxx>
> @@ -3251,6 +3253,7 @@ F: drivers/bus/brcmstb_gisb.c
> F: arch/arm/mm/cache-b15-rac.c
> F: arch/arm/include/asm/hardware/cache-b15-rac.h
> N: brcmstb
> +F: Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
>
> BROADCOM BMIPS CPUFREQ DRIVER
> M: Markus Mayer <mmayer@xxxxxxxxxxxx>
>

Ok, noted, I'll add that patch to v2.

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