Re: [PATCH v1] usb: host: Implement workaround for Erratum A-007463

From: Felipe Balbi
Date: Thu Sep 21 2017 - 02:48:23 EST


Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> writes:

> The Subject: line should specify which type of USB host controller the
> patch is for. The kernel contains lots of different USB host
> controller drivers. How are we supposed to know that Erratum A-007463
> applies to dwc3 xHCI controllers?
> The Subject: line should say something like:
> [PATCH v1] USB: host: dwc3: Implement workaround for Erratum A-007643

If we're talking about a dwc3 implementation, we need a quirk flag on
dwc3 core to be passed down to the xhci-plat device, like every other
quirk on this controller.

I also need a reference to SNPS stars ticket that talks about this problem.