linux-kernel - Re: [PATCH] riscv: include generic support for MSI irqdomains

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Message-ID: <alpine.DEB.2.21.9999.1905210110220.24268@viisi.sifive.com>
Date:   Tue, 21 May 2019 01:11:27 -0700 (PDT)
From:   Paul Walmsley <paul.walmsley@...ive.com>
To:     Wesley Terpstra <wesley@...ive.com>,
        Christoph Hellwig <hch@...radead.org>
cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Paul Walmsley <paul@...an.com>
Subject: Re: [PATCH] riscv: include generic support for MSI irqdomains

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@...ive.com>:
> > 
> > https://github.com/riscv/riscv-linux/commit/7d55f38fb79f459d2e88bcee7e147796400cafa8
> > 
> > Signed-off-by: Paul Walmsley <paul.walmsley@...ive.com>
> > Signed-off-by: Paul Walmsley <paul@...an.com>
> > Cc: Wesley Terpstra <wesley@...ive.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