Re: [PATCH] Add I2C driver for Summit Microelectronics SMB347Battery Charger.

From: Alan Cox
Date: Mon Feb 06 2012 - 12:04:02 EST

On Mon, 6 Feb 2012 16:35:45 +0000
Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

> On Mon, Feb 06, 2012 at 04:24:09PM +0000, Alan Cox wrote:
> > Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> > > There's quite a lot of read/modify/write cycles and...
> > True but they are basically all in the setup side of things so I'm not
> > sure the complexity is justified or appropriate ?
> I'm not sure what complexity you mean? If the interface is too
> difficult to use we should fix that but I didn't notice anything in the
> driver which should be more than a straight substitution (or deletion of
> code in the case of the debugfs file).

The API seems fine to me but you've then got to implement the
writeable/readable/volatile reg callbacks and figure out what is cachable
for the chip and specify it.

Seems like overkill for a chip you poke asynchronously during boot and
then basically let it mind its own business.

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