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[75.142.250.213]) by smtp.gmail.com with ESMTPSA id t65sm1171286oib.50.2020.10.16.09.40.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 16 Oct 2020 09:40:04 -0700 (PDT) Subject: Re: [PATCH 0/2] UIO support for dfl devices To: Xu Yilun , mdf@kernel.org, linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org Cc: gregkh@linuxfoundation.org, lgoncalv@redhat.com, hao.wu@intel.com References: <1602828151-24784-1-git-send-email-yilun.xu@intel.com> From: Tom Rix Message-ID: <3dcc1b4e-d0fd-0586-ea87-eada0c557bed@redhat.com> Date: Fri, 16 Oct 2020 09:40:03 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <1602828151-24784-1-git-send-email-yilun.xu@intel.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-fpga@vger.kernel.org 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//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 ? Overall, patchset looks good. Tom