[coreboot-gerrit] Change in coreboot[master]: google/chromeec: Add USB MUX Interrupt

[Rajmohan Mani (Code Review)]

Rajmohan Mani has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/40024 )

Change subject: google/chromeec: Add USB MUX Interrupt
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Patch Set 3:

(1 comment)

https://review.coreboot.org/c/coreboot/+/40024/3/src/ec/google/chromeec/acpi... 
File src/ec/google/chromeec/acpi/ec.asl:

https://review.coreboot.org/c/coreboot/+/40024/3/src/ec/google/chromeec/acpi... 
PS3, Line 369: 	// USB MUX Interrupt
             : 	Method (_Q1C, 0, NotSerialized)
             : 	{
             : 		Store ("EC: USB MUX", Debug)
             : 		Notify (CREC, 0x80)
             : 	}
> I think it's good to investigate what on the Chrome OS kernel is using the EC_HOST_EVENT_USB_MUX int […]

During the TCSS bring up in ICL, I had to implement this _Q1C method to get cros_ec_lpc_acpi_notify() invoked in drivers/platform/chrome/cros_ec_lpc.c for type-c events.

With the new cros-usbpd-notify(), if there's a cleaner way to directly notify cros-usbpd, that would be ideal.