From: Roger Quadros <rogerq@ti•com>
To: Marc Kleine-Budde <mkl@pengutronix•de>, <wg@grandegger•com>
Cc: <tony@atomide•com>, <tglx@linutronix•de>, <mugunthanvnm@ti•com>,
<george.cherian@ti•com>, <balbi@ti•com>, <nsekhar@ti•com>,
<nm@ti•com>, <sergei.shtylyov@cogentembedded•com>,
<linux-omap@vger•kernel.org>, <linux-can@vger•kernel.org>,
<netdev@vger•kernel.org>
Subject: Re: [PATCH v2 1/3] can: c_can_platform: Fix c_can_hw_raminit_ti() and add timeout
Date: Tue, 9 Sep 2014 17:39:52 +0300 [thread overview]
Message-ID: <540F1138.3090502@ti.com> (raw)
In-Reply-To: <540F0FDD.60201@pengutronix.de>
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
next prev parent reply other threads:[~2014-09-09 14:39 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-09 14:31 [PATCH v2 0/3] net: can: Use syscon regmap for TI specific RAMINIT register Roger Quadros
2014-09-09 14:31 ` [PATCH v2 1/3] can: c_can_platform: Fix c_can_hw_raminit_ti() and add timeout Roger Quadros
2014-09-09 14:34 ` Marc Kleine-Budde
2014-09-09 14:39 ` Roger Quadros [this message]
2014-09-16 14:13 ` Marc Kleine-Budde
2014-09-09 14:34 ` Nishanth Menon
2014-09-09 14:45 ` Roger Quadros
2014-09-09 14:51 ` Nishanth Menon
2014-09-09 14:54 ` Roger Quadros
2014-09-09 14:31 ` [PATCH v2 2/3] net: can: c_can: Add syscon/regmap RAMINIT mechanism Roger Quadros
2014-09-30 13:26 ` Wolfram Sang
2014-09-30 13:33 ` Roger Quadros
2014-09-30 13:52 ` Wolfram Sang
2014-09-30 13:58 ` Roger Quadros
2014-09-30 14:19 ` Wolfram Sang
2014-09-30 14:22 ` Marc Kleine-Budde
2014-09-30 14:49 ` Wolfram Sang
2014-09-30 15:01 ` Marc Kleine-Budde
2014-09-30 15:25 ` Wolfram Sang
2014-09-30 16:04 ` Marc Kleine-Budde
2014-10-01 8:45 ` Roger Quadros
2014-10-01 8:47 ` Marc Kleine-Budde
2014-10-01 9:06 ` Roger Quadros
2014-10-01 10:01 ` Marc Kleine-Budde
2014-10-01 10:12 ` Roger Quadros
2014-10-01 10:26 ` Marc Kleine-Budde
2014-10-01 10:43 ` Wolfram Sang
2014-10-01 10:57 ` Roger Quadros
2014-10-01 11:06 ` Marc Kleine-Budde
2014-10-01 11:10 ` Wolfram Sang
2014-10-01 11:11 ` Marc Kleine-Budde
2014-09-30 13:45 ` Marc Kleine-Budde
2014-09-30 14:02 ` Roger Quadros
2014-09-30 14:11 ` Marc Kleine-Budde
2014-09-09 14:31 ` [PATCH v2 3/3] net: can: c_can: Add support for START pulse in RAMINIT sequence Roger Quadros
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