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Date:   Thu, 3 Nov 2022 22:38:37 +0900
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Appana Durga Kedareswara rao 
        <appana.durga.kedareswara.rao@amd.com>
Cc:     appanad@amd.com, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, appana.durga.rao@xilinx.com,
        michal.simek@xilinx.com, derek.kiernan@xilinx.com,
        dragan.cvetic@xilinx.com, arnd@arndb.de,
        linux-arm-kernel@lists.infradead.org, git@amd.com,
        kernel test robot <lkp@intel.com>
Subject: Re: [PATCH v6 4/4] drivers: misc: Add Support for TMR Inject IP
Message-ID: <Y2PEXawGI/JhyaGK@kroah.com>
References: <20221103091500.3022212-1-appana.durga.kedareswara.rao@amd.com>
 <20221103091500.3022212-5-appana.durga.kedareswara.rao@amd.com>
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On Thu, Nov 03, 2022 at 02:45:00PM +0530, Appana Durga Kedareswara rao wrote:
> The Triple Modular Redundancy(TMR) provides functional fault injection by
> changing selected MicroBlaze instructions, which provides the possibility
> to verify that the TMR subsystem error detection and fault recovery logic
> is working properly.
> 
> Usage:
> echo 1 > /sys/kernel/debug/xtmr_inject/inject_fault/inject_fault
> 
> Signed-off-by: Appana Durga Kedareswara rao <appana.durga.kedareswara.rao@amd.com>
> Reported-by: kernel test robot <lkp@intel.com>

The test robot did not report the lack of this driver in the kernel and
need to be mentioned here, sorry.