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Date:   Mon, 28 Sep 2020 08:36:03 +0000
From:   Joakim Zhang <qiangqing.zhang@....com>
To:     Marc Kleine-Budde <mkl@...gutronix.de>,
        "linux-can@...r.kernel.org" <linux-can@...r.kernel.org>,
        Pankaj Bansal <pankaj.bansal@....com>
CC:     dl-linux-imx <linux-imx@....com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH linux-can-next/flexcan 1/4] can: flexcan: initialize all
 flexcan memory for ECC function


> -----Original Message-----
> From: Marc Kleine-Budde <mkl@...gutronix.de>
> Sent: 2020年9月28日 16:21
> To: Joakim Zhang <qiangqing.zhang@....com>; linux-can@...r.kernel.org;
> Pankaj Bansal <pankaj.bansal@....com>
> Cc: dl-linux-imx <linux-imx@....com>; netdev@...r.kernel.org
> Subject: Re: [PATCH linux-can-next/flexcan 1/4] can: flexcan: initialize all flexcan
> memory for ECC function
> 
> On 9/28/20 9:58 AM, Joakim Zhang wrote:
> >> Can someone check the vf610, too?
> >
> > I check the VF610 RM just now, indeed it has ECC feature, there is also a
> NOTE in "12.1.4.13 Detection and Correction of Memory Errors" section:
> >
> > All FlexCAN memory must be initialized before starting its operation
> > in order to have the parity bits in memory properly updated. The
> > WRMFRZ bit in Control 2 Register (CTRL2) grants write access to all
> > memory positions from 0x080 to 0xADF.
> 
> Sounds good.


Could I send out a V3 to review firstly, then wait Pankaj have time to do the test?

Best Regards,
Joakim Zhang
> Marc
> 
> --
> Pengutronix e.K.                 | Marc Kleine-Budde           |
> Embedded Linux                   | https://www.pengutronix.de  |
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