Re: [PATCH 10/53] Input: atmel_mxt_ts - Add memory access interfacevia sysfs

[Nick Dyer]

Mark Brown wrote:
> On Wed, Jun 05, 2013 at 02:07:15PM -0700, Dmitry Torokhov wrote:
>> On Wed, Jun 05, 2013 at 09:31:39PM +0100, Nick Dyer wrote:
> 
>>> It's partly path dependence - it was implemented like this because regmap
>>> wasn't in mainline at the point when I wrote it. Having a dependency on
>>> regmap would now be a API break complicating support of customers using
>>> older kernels than mainline. I would also have to update a bunch of
> 
>> This was never a good argument for introducing an interface into the
>> kernel.
> 
> Indeed, and regmap is very easy to backport - it demands little from the
> rest of the kernel and most of that is bus specific so you can pretty
> much just copy it into an older kernel.

That is good news. It would still be an extra thing to add to the docs, but
not a blocking point.

I am more worried about the address pointer handling and the I2C retries.
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