RE: [PATCH 1/3] ARM: tegra: paz00: add support for the embedded controller

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Marc Dietrich wrote at Saturday, October 22, 2011 2:17 PM:
> This adds support for the embedded controller known as NVEC. The driver
> lives currently in the staging tree and we aim to promote it one level
> higher in the near future.
> 
> The NVEC driver uses the I2C resources of the master controller for now
> until slave support is added to the i2c-tegra driver.

I'm in two minds about this:

The fact that the nvec driver accesses the I2C HW directly is a hack; that
should all happen in the I2C driver, and the nvec code should /just/ handle
the protocol to talk to the microcontroller.

To that end, we're starting to bring on some more engineers internally who
will aim to upstream more of our downstream kernel. Part of this includes
upstreaming the I2C slave support in a more palatable fashion. I know those
engineers are keen in general to get started, but I can't yet estimate a
timescale for when this particular change will be ready.

That said, I'm not sure that I want to block progress on getting nvec
and the AC100 support going. Olof, do you have any input here? Thanks.

-- 
nvpublic

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