netdev - Re: [PATCH v2 1/3] can: c_can_platform: Fix c_can_hw_raminit

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Date:	Tue, 9 Sep 2014 17:39:52 +0300
From:	Roger Quadros <rogerq@...com>
To:	Marc Kleine-Budde <mkl@...gutronix.de>, <wg@...ndegger.com>
CC:	<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 v2 1/3] can: c_can_platform: Fix c_can_hw_raminit_ti()
 and add timeout

On 09/09/2014 05:34 PM, Marc Kleine-Budde wrote:
> On 09/09/2014 04:31 PM, Roger Quadros wrote:
>> Pass the correct 'mask' and 'value' bits to c_can_hw_raminit_wait_ti().
>> They seem to have been swapped in the usage instances.
> 
> Can you split this fix into a seperate patch, please.

OK.

> 
>> TI's RAMINIT DONE mechanism is buggy and may not always be
>> set after the START bit is set. So add a timeout mechanism to
>> c_can_hw_raminit_wait_ti().
> 
> What should happen if the timeout occurs?

I'm not sure yet. I will verify if the hardware still works or not in that case.
If it doesn't work then we should fail.

cheers,
-roger
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