RE: [PATCH] platform:x86: add Intel Punit mailbox IPC driver

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On Tue, Aug 18, 2015 at 04:50:56PM +0100, Matt Fleming wrote:
> On Mon, 2015-08-10 at 16:04 +0100, Shevchenko, Andriy wrote:
> > 
> > Matt, by the way intel_pmc_ipc.c module creates iTCO device (LPC bus).
> > Does it look correct?
> 
> Yeah, it looks OK to me. Note there are changes queued up in Lee Jones'
> tree for changing the lpc_ich_info into itco_wdt_platform_data.
> 
> Btw, is there a reason that intel_pmc_ipc doesn't use the mfd_* API 
> since it's concerned with multiple functions?

> Qipeng?

> I saw the v2 come in, but didn't see this question addressed in the changelog.

When design P-unit driver, we got feedback from BIOS that there will allocate a dedicate
ACPI id for P-unit controller, and finally BIOS decide not do that, just put some necessary 
Resource in PMC acpi table.
After that, we got request to do same thing for iTco.

I agree it's better to update pmc driver to use mfd_add_devices to create punit and iTco device.

--
Darren Hart
Intel Open Source Technology Center
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