linux-kernel - Re: [PATCH V2 1/2] i2c: tegra: I2_M_NOSTART functionality not supported in Tegra20

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Message-ID: <50327590.1080700@wwwdotorg.org>
Date:	Mon, 20 Aug 2012 11:36:16 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Laxman Dewangan <ldewangan@...dia.com>
CC:	"khali@...ux-fr.org" <khali@...ux-fr.org>,
	"w.sang@...gutronix.de" <w.sang@...gutronix.de>,
	Stephen Warren <swarren@...dia.com>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH V2 1/2] i2c: tegra: I2_M_NOSTART functionality not supported
 in Tegra20

On 08/20/2012 11:10 AM, Laxman Dewangan wrote:
> On Monday 20 August 2012 10:45 PM, Stephen Warren wrote:
>> On 08/18/2012 01:17 PM, Laxman Dewangan wrote:
>>> Tegra20 i2c controller does not support the continue transfer
>>> which implements the I2C_M_NOSTART functionality of i2c
>>> protocol mangling.
>>> Removing the I2C_M_NOSTART functionality support for Tegra20.
>> Thanks, applied the series to Tegra's for-3.7/drivers-i2c branch.
>>
>> Note that I had to fix up patch 1 to remove const on the tegra*_i2c_hw
>> variable declarations to avoid compiler warnings when assigning pointers
>> into tegra_i2c_of_match[].data.
>
> Thanks for correction but
> I did not get this warning and when saw the structure, it is declared as
> const type only..

Ah. This is something new in linux-next but not in 3.6-rc2. It was
introduced by:

98d7bbb of: add const to struct *of_device_id.data

I'll revert the modifications I made to the patch, and ignore the
warnings in Tegra's for-next; they won't be present in 3.7 presumably.
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