Re: [PATCH v4 0/5] add xhci-exynos driver

[Greg Kroah-Hartman]

On Tue, Apr 26, 2022 at 06:18:43PM +0900, Daehwan Jung wrote:
> This patchset is for Samsung Exynos xhci host conroller. It uses xhci-plat
> driver mainly and extends some functions by xhci hooks and overrides.
> 
> This driver supports USB offload which makes Co-processor to use
> some memories of xhci. Especially it's useful for USB Audio scenario.
> Audio stream would get shortcut because Co-processor directly write/read
> data in xhci memories. It could get speed-up using faster memory like SRAM.
> That's why this gives vendors flexibilty of memory management. This feature
> is done with xhci hooks and overrides.
> 
> Changes in v2 :
> - Fix commit message by adding Signed-off-by in each patch.
> - Fix conflict on latest.

Thanks for reworking these and submitting them.  I have some comments on
the individual commits from a non-xhci-knowledge point of view.

greg k-h