[PATCH v2 1/2] of: addr: Translate 'dma-ranges' for parent nodes missing 'dma-ranges'

[Bin Meng]

On Mon, May 17, 2021 at 10:03 AM Bin Meng <bmeng.cn at gmail.com> wrote:
>
> Hi Simon,
>
> On Fri, Apr 30, 2021 at 9:17 PM Bin Meng <bmeng.cn at gmail.com> wrote:
> >
> > 'dma-ranges' frequently exists without parent nodes having 'dma-ranges'.
> > While this is an error for 'ranges', this is fine because DMA capable
> > devices always have a translatable DMA address. Also, with no
> > 'dma-ranges' at all, the assumption is that DMA addresses are 1:1 with
> > no restrictions unless perhaps the device itself has implicit
> > restrictions.
> >
> > This keeps in sync with Linux kernel commit:
> >
> >   81db12ee15cb: of/address: Translate 'dma-ranges' for parent nodes missing 'dma-ranges'
> >
> > Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
> > Reviewed-by: Simon Glass <sjg at chromium.org>
> >
> > ---
> >
> > Changes in v2:
> > - rebase on top of Dario's revert patch:
> >   http://patchwork.ozlabs.org/project/uboot/patch/20210425141746.19115-6-dariobin@libero.it/
>
> The above dependent patch is now in u-boot/master.
>
> Could you please apply this series?
>

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