Re: [PATCH] ARM: OMAP2+ i2c NACK without STP

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"T Krishnamoorthy, Balaji" <balajitk@xxxxxx> writes:

> On Tue, Jun 14, 2011 at 4:24 PM, Jan Weitzel <j.weitzel@xxxxxxxxx> wrote:
>> On OMAP4 OMAP_I2C_STAT_NACK is causing a timeout on the next access.
>> The isr cleans all flags in OMAP_I2C_CON_REG by setting OMAP_I2C_CON_STP
>> OMAP_I2C_CON_STP is also set in omap_i2c_xfer_msg on the last message.
>>
>> According to the TI TSR the sequence for OMAP_I2C_STAT_NACK and
>> OMAP_I2C_STAT_AL are nearly the same.
>> Removing the OMAP_I2C_CON_STP part in the isr fix the problem.
>> Tested on OMAP4430 and OMAP3530 (here NACK was not a problem)
>> Fixes also booting on 2430sdp.
>>
>> Signed-off-by: Jan Weitzel <j.weitzel@xxxxxxxxx>
>> Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
>
> Acked-by: Balaji T K <balajitk@xxxxxx>
> Can you please queue this patch
>
> This patch has been tested in linux-omap tree
> http://git.kernel.org/?p=linux/kernel/git/tmlind/linux-omap.git;a=commit;h=464fca36d98b97ccd05e4f200ab7483d3acc8345

I have this patch in my queue (branch: for_3.3/i2c/misc), but
unfortunately,  the maintainer has not responded to any of my queries or
pull requests for a couple months now.

I have sent some more off-list queries recently in hopes to get this
moving again.

Kevin


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