On 23/03/2022 03:34, Jung Daehwan wrote: > On Tue, Mar 22, 2022 at 06:10:00PM +0100, Krzysztof Kozlowski wrote: >> On 21/03/2022 09:59, Daehwan Jung wrote: >>> This driver supports USB Audio offload with Co-processor. >> >> One do you need one more XHCI driver? How does it differ from existing >> and why existing cannot be extended? > > I have some exynos specific features and that's because need own driver. > It's not good to modify other XHCI driver for my features. > > Additinally, I've been developing some features with other IP or Co-Processors. > Extending is not enough to cover them and I think owning driver is also better > on structural view. This reason is not good enough because it's not visible that you cannot extend existing drivers. Best regards, Krzysztof