netdev - Re: [PATCH V3] can: flexcan: fix stop mode acknowledgment

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Message-ID: <42ef6763-c8a6-9fcd-4706-8ebfa2f51ba0@pengutronix.de>
Date:   Mon, 1 Jul 2019 12:37:58 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Joakim Zhang <qiangqing.zhang@....com>,
        "linux-can@...r.kernel.org" <linux-can@...r.kernel.org>
Cc:     dl-linux-imx <linux-imx@....com>,
        "wg@...ndegger.com" <wg@...ndegger.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH V3] can: flexcan: fix stop mode acknowledgment

On 6/19/19 9:42 AM, Joakim Zhang wrote:
> To enter stop mode, the CPU should manually assert a global Stop Mode
> request and check the acknowledgment asserted by FlexCAN. The CPU must
> only consider the FlexCAN in stop mode when both request and
> acknowledgment conditions are satisfied.
> 
> Fixes: de3578c198c6 ("can: flexcan: add self wakeup support")
> Reported-by: Marc Kleine-Budde <mkl@...gutronix.de>
> Signed-off-by: Joakim Zhang <qiangqing.zhang@....com>
> 
> ChangeLog:
> V1->V2:
> 	* regmap_read()-->regmap_read_poll_timeout()
> V2->V3:
> 	* change the way of error return, it will make easy for function
> 	extension.

Please rebase to linux-next/master, as this is a fix.

Marc

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