GPIO Driver for Skylake-Y PCH

[Alexander Ivanov]

On Fri, 21 Jun 2019 10:39 -07:00, Alexander Ivanov <amivanov at fastmail.com> wrote:
> 
> On Fri, 21 Jun 2019 03:12 -07:00, Andy Shevchenko 
> <andriy.shevchenko at linux.intel.com> wrote:
> > 
> > Usually to check this is better to run
> > 	grep -H 15 /sys/bus/acpi/devices/*/status
> > which return you the list of *present and available* ACPI devices.
> 
> 
> It looks like INT344B device is neither present nor available. This 
> device isn't in the list returned by above grep. 
> Its status actually returns 0. What could be reasons for that?
> 

Any idea why would otherwise 'visible' [1] device appear unavailable and not present [2]?
I cannot see anything obviously wrong in kernel traces either.


[1] # tree /sys/bus/acpi/devices/INT344B\:00/
/sys/bus/acpi/devices/INT344B:00/
├── hid
├── modalias
├── path
├── power
│   ├── autosuspend_delay_ms
│   ├── control
│   ├── runtime_active_time
│   ├── runtime_status
│   └── runtime_suspended_time
├── status
├── subsystem -> ../../../../../bus/acpi
└── uevent

[2] # cat /sys/bus/acpi/devices/INT344B\:00/status
0