Re: Reviving the LPSS PWM patches

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On Thu, Apr 07, 2016 at 03:19:04PM +0530, Kumar, Shobhit wrote:
> On Wednesday 06 April 2016 04:26 PM, Lluís Batlle i Rossell wrote:
> >I don't see any trace of pwm/lpss in dmesg, so it's normal that i915 fails
> >to find it. I wonder if there may be a problem in the ACPI table. I have
> >the DSDT and it clearly reports the:
> >
> >Name (_CID, "80860F09")  // _CID: Compatible ID
> >Name (_DDN, "Intel(R) PWM Controller #2 - 80860F09")  // _DDN: DOS Device Name
> >
> >Which should be the lpss pwm. But somehow it is not loaded, so I guess it
> >fails the probing.
> 
> Can we put some prints in the probe routines and see whats happening in the
> pwm-lpss-platform.c driver. There is also a PCI PWM LPSS driver -
> pwm-lpss-pci.c Can you also enable that and see if the probe for that is
> being called and successful ?

I have CONFIG_PWM_LPSS_PCI=m, but udev doesn't load it. I can try to set
it to =y.

I will try to add some prints.

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