linux-kernel - Re: [PATCH 0/2] UIO support for dfl devices

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Date:   Mon, 19 Oct 2020 12:17:04 +0800
From:   Xu Yilun <yilun.xu@...el.com>
To:     Tom Rix <trix@...hat.com>
Cc:     mdf@...nel.org, linux-fpga@...r.kernel.org,
        linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
        lgoncalv@...hat.com, hao.wu@...el.com, yilun.xu@...el.com
Subject: Re: [PATCH 0/2] UIO support for dfl devices

On Fri, Oct 16, 2020 at 09:40:03AM -0700, Tom Rix wrote:
> 
> On 10/15/20 11:02 PM, Xu Yilun wrote:
> > This patchset supports some dfl device drivers written in userspace.
> >
> > The usage is like:
> >
> >  # echo dfl_dev.1 > /sys/bus/dfl/drivers/<kernel driver>/unbind
> >  # echo dfl-uio-pdev > /sys/bus/dfl/devices/dfl_dev.1/driver_override
> >  # echo dfl_dev.1 > /sys/bus/dfl/drivers_probe
> >
> >
> > Xu Yilun (2):
> >   fpga: dfl: add driver_override support
> >   fpga: dfl: add the userspace I/O device support for DFL devices
> >
> >  Documentation/ABI/testing/sysfs-bus-dfl | 28 +++++++++--
> >  drivers/fpga/Kconfig                    | 10 ++++
> >  drivers/fpga/Makefile                   |  1 +
> >  drivers/fpga/dfl-uio-pdev.c             | 83 +++++++++++++++++++++++++++++++++
> >  drivers/fpga/dfl.c                      | 54 ++++++++++++++++++++-
> >  include/linux/dfl.h                     |  2 +
> >  6 files changed, 173 insertions(+), 5 deletions(-)
> >  create mode 100644 drivers/fpga/dfl-uio-pdev.c
> 
> This is a neat new feature.
> 
> Should something be added to Documentation/fpga/dfl.rst ?

Yes, I could add the Doc.

> 
> Overall, patchset looks good.
> 
> Tom