linux-kernel - Re: [PATCH 1/3] mfd: twl6040: Select i2c fast mode as default with regmap patch

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Date:	Thu, 27 Feb 2014 16:33:09 +0200
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	Nishanth Menon <nm@...com>, Lee Jones <lee.jones@...aro.org>
CC:	<florian.vaussard@...l.ch>, <linux-kernel@...r.kernel.org>,
	<linux-omap@...r.kernel.org>, Samuel Ortiz <sameo@...ux.intel.com>
Subject: Re: [PATCH 1/3] mfd: twl6040: Select i2c fast mode as default with
 regmap patch

On 02/27/2014 04:24 PM, Nishanth Menon wrote:
> 
> we should ideally have been using highspeed for i2c bus.
> 
> is'nt it better if i2c_check_functionality (and adding required flags
> for func) be used to check the adapter speed and decide this in the
> driver instead of hardcoding the bus speed within TWL6040 -
> considering that 6040 can infact do max high speed as well?

Yeah, I was thinking of something similar. Just did not found the API to get
the speed the i2c bus has been configured to.
I'll check this.


-- 
Péter
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