linux-kernel - Re: [PATCH v5 2/2] Documentation: fpga: dfl: Add description for DFL UIO support

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Date:   Mon, 4 Jan 2021 14:50:10 +0800
From:   Xu Yilun <yilun.xu@...el.com>
To:     "Wu, Hao" <hao.wu@...el.com>
Cc:     "mdf@...nel.org" <mdf@...nel.org>,
        "linux-fpga@...r.kernel.org" <linux-fpga@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "trix@...hat.com" <trix@...hat.com>,
        "lgoncalv@...hat.com" <lgoncalv@...hat.com>
Subject: Re: [PATCH v5 2/2] Documentation: fpga: dfl: Add description for DFL
  UIO support

On Mon, Jan 04, 2021 at 12:24:05PM +0800, Wu, Hao wrote:
> > Subject: [PATCH v5 2/2] Documentation: fpga: dfl: Add description for DFL
> > UIO support
> >
> > This patch adds description for UIO support for dfl devices on DFL
> > bus.
> >
> > Signed-off-by: Xu Yilun <yilun.xu@...el.com>
> > ---
> > v2: no doc in v1, add it for v2.
> > v3: some documentation fixes.
> > v4: documentation change since the driver matching is changed.
> > v5: no change.
> > ---
> >  Documentation/fpga/dfl.rst | 24 ++++++++++++++++++++++++
> >  1 file changed, 24 insertions(+)
> >
> > diff --git a/Documentation/fpga/dfl.rst b/Documentation/fpga/dfl.rst
> > index 0404fe6..b8497f3 100644
> > --- a/Documentation/fpga/dfl.rst
> > +++ b/Documentation/fpga/dfl.rst
> > @@ -7,6 +7,7 @@ Authors:
> >  - Enno Luebbers <enno.luebbers@...el.com>
> >  - Xiao Guangrong <guangrong.xiao@...ux.intel.com>
> >  - Wu Hao <hao.wu@...el.com>
> > +- Xu Yilun <yilun.xu@...el.com>
> >
> >  The Device Feature List (DFL) FPGA framework (and drivers according to
> >  this framework) hides the very details of low layer hardwares and provides
> > @@ -502,6 +503,29 @@ FME Partial Reconfiguration Sub Feature driver (see
> > drivers/fpga/dfl-fme-pr.c)
> >  could be a reference.
> >
> >
> > +UIO support for DFL devices
> > +===========================
> 
> I think the main purpose is to support userspace driver for DFL devices, and
> UIO is the option for now. Do you think if the title could be userspace driver
> support for DFL devices?

Yes, I could change it.

Thanks,
Yilun