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From:   Wesley Terpstra <wesley@sifive.com>
Date:   Tue, 21 May 2019 11:25:32 -0700
Message-ID: <CAMgXwTic9WWjVviEdvh2+0+LB1va--+7zJOt7C2YxsB=hu72WA@mail.gmail.com>
Subject: Re: [PATCH] riscv: include generic support for MSI irqdomains
To:     Paul Walmsley <paul.walmsley@sifive.com>
Cc:     Christoph Hellwig <hch@infradead.org>,
        linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
        Paul Walmsley <paul@pwsan.com>
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Signed.


On Tue, May 21, 2019 at 1:11 AM Paul Walmsley <paul.walmsley@sifive.com> wrote:
>
> On Mon, 20 May 2019, Christoph Hellwig wrote:
>
> > On Mon, May 20, 2019 at 11:25:28AM -0700, Paul Walmsley wrote:
> > > Some RISC-V systems include PCIe host controllers that support PCIe
> > > message-signaled interrupts.  For this to work on Linux, we need to
> > > enable PCI_MSI_IRQ_DOMAIN and define struct msi_alloc_info.  Support
> > > for the latter is enabled by including the architecture-generic msi.h
> > > include.
> > >
> > > Based on a patch from Wesley Terpstra <wesley@sifive.com>:
> > >
> > > https://github.com/riscv/riscv-linux/commit/7d55f38fb79f459d2e88bcee7e147796400cafa8
> > >
> > > Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
> > > Signed-off-by: Paul Walmsley <paul@pwsan.com>
> > > Cc: Wesley Terpstra <wesley@sifive.com>
> >
> > Well, this is very much Wes' patch as-is.  It should probably be
> > attributed to him and you should ask for his signoff.
>
> Yeah.  There aren't many other ways to do it.
>
> Wes, care to reply with your Signed-off-by: ?
>
>
> - Paul