GPIO Driver for Skylake-Y PCH

Andy Shevchenko andriy.shevchenko at linux.intel.com
Thu Aug 29 10:59:26 EDT 2019


On Thu, Aug 29, 2019 at 01:49:55PM +0200, Valentin Vidić wrote:
> On Thu, Aug 29, 2019 at 01:49:31PM +0300, Andy Shevchenko wrote:
> > This actually should be done other way around, i.e. enabling ACPI WDAT table
> > will get you watchdog and this is *highly* recommended way.
> 
> If I understand correctly you are suggesting to try the wdat_wdt driver instead?

Yes. That driver should be in use assuming properly crafted firmware.

> 
> Discussion about iTCO_wdt problem with Intel NUC is here but no solution so far:
> 
>   https://www.spinics.net/lists/linux-watchdog/msg16232.html
>   https://www.spinics.net/lists/linux-i2c/msg41504.html
> 
> # modprobe i2c_i801
> [40450.070587] i801_smbus 0000:00:1f.4: SPD Write Disable is set
> [40450.070652] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt
> [40450.072919] iTCO_vendor_support: vendor-support=0
> [40450.073485] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.11
> [40450.073546] iTCO_wdt iTCO_wdt: can't request region for resource [mem 0x00c5fffc-0x00c5ffff]
> [40450.073578] iTCO_wdt: probe of iTCO_wdt failed with error -16

-- 
With Best Regards,
Andy Shevchenko





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