APPLIED: [Bionic] [PATCH 0/3] Backport USB core quirks

Seth Forshee seth.forshee at
Tue Apr 10 14:47:03 UTC 2018

On Tue, Apr 10, 2018 at 05:49:28PM +0800, Kai-Heng Feng wrote:
> BugLink:
> [Impact]
> Currently we need to recompile the entire kernel if we want try quirks
> in usbcore.
> [Test]
> Use kernel parameter "usbcore.quirks=" in conjunction with dynamic debug
> for usbcore, we can see that usb quirks successfully enabled for USB
> devices dynamically.
> [Fix]
> Introduce a new module parameter, "usbcore.quirks=". Users now can try
> different quirks without compiling anything.
> [Regression Potential]
> Low. It doesn't change any behavior of usb driver per se, it simply adds
> new logic to detect quirks.

Applied to bionic/master-next, thanks!

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