Re: [PATCH v1 1/1] platform/x86: intel_pmc_ipc: fix io mem mapping size

From: Andy Shevchenko
Date: Thu Mar 16 2017 - 12:07:15 EST


On Thu, Mar 16, 2017 at 4:52 PM, Rajneesh Bhardwaj
<rajneesh.bhardwaj@xxxxxxxxx> wrote:
> On Wed, Mar 15, 2017 at 08:32:53PM -0700, Kuppuswamy Sathyanarayanan wrote:
>> Mapping entire GCR mem region in this driver creates
>> mem region request conflict in sub devices that depend
>> on PMC. This creates driver probe failure in devices like
>> iTC0_wdt and telemetry device.

> iTCO_WDT driver needs to check the BIT4 (NO_REBOOT) of PMC_CFG register
> (Offset: 0x1008) and this falls in GCR space.

Are we talking about ACPI-enabled platform?

--
With Best Regards,
Andy Shevchenko