netdev - RE: [PATCH linux-can-next/flexcan 1/4] can: flexcan: initialize all flexcan memory for ECC function

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Message-ID: <DB8PR04MB6795F99110BC7B3356E08CA9E6360@DB8PR04MB6795.eurprd04.prod.outlook.com>
Date:   Fri, 25 Sep 2020 09:09:22 +0000
From:   Joakim Zhang <qiangqing.zhang@....com>
To:     Marc Kleine-Budde <mkl@...gutronix.de>,
        "linux-can@...r.kernel.org" <linux-can@...r.kernel.org>
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25日 17:03
> To: Joakim Zhang <qiangqing.zhang@....com>; linux-can@...r.kernel.org
> 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 9/25/20 10:51 AM, Joakim Zhang wrote:
> >>> I notice it just now, seems lack of patch for imx firmware in
> >>> upstream, that will always export scu symbols.
> >>> include/linux/firmware/imx/svc/misc.h
> >>
> >> That will affect "can: flexcan: add CAN wakeup function for i.MX8"
> >> not this patch, right?
> >
> > Yes, only affect "can: flexcan: add CAN wakeup function for i.MX8", I
> > will remove this patch first.
> 
> ok
> 
> > Sorry, I replied in a wrong place.
> 
> np
> 
> > "can: flexcan: initialize all flexcan memory for ECC function" for
> > this patch, I find this issue in i.MX8MP, which is the first SoC
> > implements ECC for i.MX
> 
> What about the mx7?
> 
> > I think this patch should compatible with others which has ECC
> > support, but I don't have one to have a test.
> 
> What about the mx7?

As I know only i.MX7D integrated in Flexcan without ECC, I am not quite understand what you meaning.
Could you explain more?

Best Regards,
Joakim Zhang
> Marc
> 
> --
> Pengutronix e.K.                 | Marc Kleine-Budde           |
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