netdev - Re: [PATCH v7 6/8] net: can: c_can: Disable pins when CAN interface is down

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Date:	Fri, 14 Nov 2014 18:04:47 +0200
From:	Roger Quadros <rogerq@...com>
To:	Marc Kleine-Budde <mkl@...gutronix.de>, <wg@...ndegger.com>
CC:	<wsa@...-dreams.de>, <tony@...mide.com>, <tglx@...utronix.de>,
	<mugunthanvnm@...com>, <george.cherian@...com>, <balbi@...com>,
	<nsekhar@...com>, <nm@...com>,
	<sergei.shtylyov@...entembedded.com>, <linux-omap@...r.kernel.org>,
	<linux-can@...r.kernel.org>, <netdev@...r.kernel.org>
Subject: Re: [PATCH v7 6/8] net: can: c_can: Disable pins when CAN interface
 is down

On 11/14/2014 05:49 PM, Marc Kleine-Budde wrote:
> On 11/14/2014 04:40 PM, Roger Quadros wrote:
>> DRA7 CAN IP suffers from a problem which causes it to be prevented
>> from fully turning OFF (i.e. stuck in transition) if the module was
>> disabled while there was traffic on the CAN_RX line.
>>
>> To work around this issue we select the SLEEP pin state by default
>> on probe and use the DEFAULT pin state on CAN up and back to the
>> SLEEP pin state on CAN down.
>>
>> Signed-off-by: Roger Quadros <rogerq@...com>
> 
> Wow! Some interations later this patch got quite nice and shiny :)
> Applied all to can-next/master.

Thanks Marc :)

cheers,
-roger

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