Re: [PATCH v3] intel/pinctrl: check REVID register value for device presence

2021-03-25 Thread Andy Shevchenko
On Thu, Mar 25, 2021 at 10:09:47AM +0100, Roger Pau Monne wrote: > Use the value read from the REVID register in order to check for the > presence of the device. A read of all ones is treated as if the device > is not present, and hence probing is ended. > > This fixes an issue when running as a X

[PATCH v3] intel/pinctrl: check REVID register value for device presence

2021-03-25 Thread Roger Pau Monne
Use the value read from the REVID register in order to check for the presence of the device. A read of all ones is treated as if the device is not present, and hence probing is ended. This fixes an issue when running as a Xen PVH dom0, where the ACPI DSDT table is provided unmodified to dom0 and h