Re: [PATCH][RFC] PCI: rcar: Add bus notifier so we can limit the DMA range

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On Tue, Sep 18, 2018 at 11:15:55AM +0100, Lorenzo Pieralisi wrote:
> On Tue, May 22, 2018 at 12:05:14AM +0200, Marek Vasut wrote:
> > From: Phil Edworthy <phil.edworthy@xxxxxxxxxxx>
> > 
> > The PCIe DMA controller on RCar Gen2 and earlier is on 32bit bus,
> > so limit the DMA range to 32bit.
> > 
> > Signed-off-by: Phil Edworthy <phil.edworthy@xxxxxxxxxxx>
> > Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>
> > Cc: Arnd Bergmann <arnd@xxxxxxxx>
> > Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> > Cc: Phil Edworthy <phil.edworthy@xxxxxxxxxxx>
> > Cc: Simon Horman <horms+renesas@xxxxxxxxxxxx>
> > Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx>
> > Cc: linux-renesas-soc@xxxxxxxxxxxxxxx
> > To: linux-pci@xxxxxxxxxxxxxxx
> > ---
> > NOTE: I'm aware of https://patchwork.kernel.org/patch/9495895/ , but the
> >       discussion seems to have gone way off, so I'm sending this as a
> >       RFC. Any feedback on how to do this limiting properly would be nice.
> > ---
> >  drivers/pci/host/pcie-rcar.c | 28 ++++++++++++++++++++++++++++
> >  1 file changed, 28 insertions(+)
> 
> The issue solved by this patch was solved in a more generic way through
> this series:
> 
> https://lists.linuxfoundation.org/pipermail/iommu/2018-July/028792.html
> 
> I will therefore drop this patch from the PCI patch queue.

Cool. Thanks for this series and thanks for the heads up!

Marek, can you confirm our issue is fixed (if you haven't done already)?

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