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Subject: Re: [PATCH v2 1/1] can: ucan: add driver for Theobroma Systems UCAN
 devices
To:     Wolfgang Grandegger <wg@grandegger.com>
Cc:     Martin Elshuber <martin.elshuber@theobroma-systems.com>,
        Philipp Tomsich <philipp.tomsich@theobroma-systems.com>,
        Marc Kleine-Budde <mkl@pengutronix.de>,
        linux-can@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20180313173520.21257-1-jakob.unterwurzacher@theobroma-systems.com>
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 <68564c40-396b-9081-8534-67fe96a6fb3f@grandegger.com>
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From:   Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com>
Message-ID: <ed41c2d8-b231-fa8f-9802-b18382dde32e@theobroma-systems.com>
Date:   Wed, 14 Mar 2018 11:19:51 +0100
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On 14.03.18 11:04, Wolfgang Grandegger wrote:
>>>      controller-problem{rx-error-warning,tx-error-warning,rx-error-passive,tx-error-passive}
> 
> Just,
> 
>         controller-problem{rx-error-passive,tx-error-passive}

Ok.

>> (1b) cable gets connected:
>>
>>>   (000.000883)  can0  20000034   [8]  00 3C 00 00 00 00 80 00   ERRORFRAME
>>>      controller-problem{rx-error-warning,tx-error-warning,rx-error-passive,tx-error-passive}
>>>
>>>      transceiver-status
>>>      no-acknowledgement-on-tx
>>>      error-counter-tx-rx{{128}{0}}
>>>   (000.000996)  can0  20000004   [8]  00 0C 00 00 00 00 7F 00   ERRORFRAME
>>>      controller-problem{rx-error-warning,tx-error-warning}
>>>      error-counter-tx-rx{{127}{0}}
> 
> Back to error active is missing!? Have a look to:
> 
> https://elixir.bootlin.com/linux/latest/source/drivers/net/can/dev.c#L364

Should be sent out once the error counter drops further, will check.

Thanks,
Jakob