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

[Prashant Malani (Code Review)]

Prashant Malani 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)
             : 	}
> During the TCSS bring up in ICL, I had to implement this _Q1C method to get cros_ec_lpc_acpi_notify( […]

Got it. Thanks for the context!

Do you know what on the EC is calling _Q1C ? Is it the virtual MUX driver code? https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1340491/...

I think the solution suggested in Comment #373 is a good one while we wait for all the EC/AP API changes.