Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   "Vivek Yadav" <vivek.2311@samsung.com>
To:     "'Marc Kleine-Budde'" <mkl@pengutronix.de>
Cc:     <rcsekar@samsung.com>, <wg@grandegger.com>, <davem@davemloft.net>,
        <edumazet@google.com>, <kuba@kernel.org>, <pabeni@redhat.com>,
        <pankaj.dubey@samsung.com>, <ravi.patel@samsung.com>,
        <alim.akhtar@samsung.com>, <linux-can@vger.kernel.org>,
        <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>
In-Reply-To: <87k04oxsvb.fsf@hardanger.blackshift.org>
Subject: RE: [PATCH 2/7] dt-bindings: can: mcan: Add ECC functionality to
 message ram
Date:   Wed, 9 Nov 2022 14:22:36 +0530
Message-ID: <005501d8f418$a2149540$e63dbfc0$@samsung.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Thread-Index: AQJD6JMFT7t8BSDsfE8Wj4Sh/mZZ1gJCfwoQApKUAcIBOuS3Yq0v3zYw
Content-Language: en-in
Content-Type: text/plain; charset="utf-8"
CMS-TYPE: 105P
DLP-Filter: Pass
References: <20221021095833.62406-1-vivek.2311@samsung.com>
        <CGME20221021102625epcas5p4e1c5900b9425e41909e82072f2c1713d@epcas5p4.samsung.com>
        <20221021095833.62406-3-vivek.2311@samsung.com>
        <87k04oxsvb.fsf@hardanger.blackshift.org>
Precedence: bulk


> -----Original Message-----
> From: Marc Kleine-Budde <mkl@pengutronix.de>
> Sent: 25 October 2022 13:02
> To: Vivek Yadav <vivek.2311@samsung.com>
> Cc: rcsekar@samsung.com; wg@grandegger.com; davem@davemloft.net;
> edumazet@google.com; kuba@kernel.org; pabeni@redhat.com;
> pankaj.dubey@samsung.com; ravi.patel@samsung.com;
> alim.akhtar@samsung.com; linux-can@vger.kernel.org;
> netdev@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH 2/7] dt-bindings: can: mcan: Add ECC functionality to
> message ram
> 
> You should add the DT people on Cc:
> - devicetree@vger.kernel.org
> - Rob Herring <robh+dt@kernel.org>
> 
Okay, I will add them in the next patch series.
> On 21.10.2022 15:28:28, Vivek Yadav wrote:
> > Whenever the data is transferred or stored on message ram, there are
> > inherent risks of it being lost or corruption known as single-bit errors.
> >
> > ECC constantly scans data as it is processed to the message ram, using
> > a method known as parity checking and raise the error signals for
> corruption.
> >
> > Add error correction code config property to enable/disable the error
> > correction code (ECC) functionality for Message RAM used to create
> > valid ECC checksums.
> >
> > Signed-off-by: Chandrasekar R <rcsekar@samsung.com>
> > Signed-off-by: Vivek Yadav <vivek.2311@samsung.com>
> > ---
> >  Documentation/devicetree/bindings/net/can/bosch,m_can.yaml | 4 ++++
> >  1 file changed, 4 insertions(+)
> >
> > diff --git
> > a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
> > b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
> > index 26aa0830eea1..0ba3691863d7 100644
> > --- a/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
> > +++ b/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml
> > @@ -50,6 +50,10 @@ properties:
> >        - const: hclk
> >        - const: cclk
> >
> > +  mram-ecc-cfg:
> 
> This probably needs a prefix and a "$ref:
> /schemas/types.yaml#/definitions/phandle".
> 
okay
I will add in the next patch series.
> > +    items:
> > +      - description: M_CAN ecc registers map with configuration
> > + register offset
> > +
> >    bosch,mram-cfg:
> >      description: |
> >        Message RAM configuration data.
> > --
> > 2.17.1
> >
> >
> 
> Marc
> 
Thanks for the review.
> --
> Pengutronix e.K.                 | Marc Kleine-Budde           |
> Embedded Linux                   |
> https://protect2.fireeye.com/v1/url?k=79b0bfe8-195222b5-79b134a7-
> 000babd9f1ba-4774190ce98312a8&q=1&e=e3b63c25-f82a-4aa4-aaee-
> 156c142ee4c6&u=https%3A%2F%2Fwww.pengutronix.de%2F  |
> Vertretung West/Dortmund         | Phone: +49-231-2826-924     |
> Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-5555 |