Messages in this thread | | | Subject | Re: [PATCH] i2c: piix4: Replace piix4_smbus driver's cd6h/cd7h port io accesses with mmio accesses | From | Terry Bowman <> | Date | Tue, 11 Jan 2022 08:13:05 -0600 |
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+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@amd.com/ > > If this is not sufficient, hopefully Terry can provide more information? >
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