Subject: Re: [PATCH V4 00/10] ARM: Add minimal Raspberry Pi 4 support

From: Stefan Wahren <[email-masked]>
Date: Fri, 11 Oct 2019 16:46:46 +0200

Am 06.10.19 um 17:28 schrieb Stefan Wahren:
> This series adds minimal support for the new Raspberry Pi 4, so we are able
> to login via debug UART.
>
> Patch 1:     Bluetooth driver fix
> Patch 2-3:   Fix some DT schema warnings
> Patch 4-5:   Prepare DTS for the new SoC BMC2711
> Patch 6-9:   Add Raspberry Pi 4 DTS support
> Patch 10:    Update MAINTAINERS
>
> Unfortunately the Raspberry Pi Foundation didn't released a
> peripheral documentation for the new SoC yet. So we only have a preliminary
> datasheet [1] and reduced schematics [2].
>
> Known issues:
> Since Linux 5.3-rc1 DMA doesn't work properly on that platform.
> Nicolas Saenz Julienne investigates on that issue. As a temporary workaround
> i reverted the following patch to test this series:
>
> 79a98672 "dma-mapping: remove dma_max_pfn"
> 7559d612 "mmc: core: let the dma map ops handle bouncing"
>
> Changes in V4:
> - add Rob's Reviewed-by
> - enable ZONE_DMA for ARCH_BCM2835
> - fix spi reference in bcm2711.dtsi
> - fix bluetooth section in RPi 4 dts
> - drop "always-on" for armv8-timer
> - add necessary Bluetooth driver fix
> - add arm64 dts link
> - additional comments to the dts files as requested by Florian
>
Patches 2-10 applied so that we don't miss Linux 5.5

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