Re: [PATCH] i2c: piix4: Replace piix4_smbus driver's cd6h/cd7h port io accesses with mmio accesses

[Terry Bowman]

+Robert Richter

Hi Andy,

The cd6h/cd7h port I/O can be disabled on recent AMD processors and these
changes replace the cd6h/cd7h port I/O accesses with with MMIO accesses. 
I can provide more details or answer questions.

Regards,
Terry

On 1/11/22 6:39 AM, Wolfram Sang wrote:
> 
>> I have briefly read the discussion by the link you provided above in
>> this thread. I'm not sure I understand the issue and if Intel hardware
>> is affected. Is there any summary of the problem?
> 
> I guess the original patch description should explain it. You can find
> it here:
> 
> http://patchwork.ozlabs.org/project/linux-i2c/patch/20210715221828.244536-1-Terry.Bowman@xxxxxxx/
> 
> If this is not sufficient, hopefully Terry can provide more information?
>