Re: [PATCH v3 4/4] usb: host: add xhci-exynos driver

[Krzysztof Kozlowski <krzk@kernel.org>]

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?

> It only cares DCBAA, Device Context, Transfer Ring, Event Ring, and ERST.
> They are allocated on specific address with xhci hooks.
> Co-processor could use them directly without xhci driver after then.
> 
> Signed-off-by: Daehwan Jung <dh10.jung@samsung.com>
> ---
>  drivers/usb/host/Kconfig       |   9 +
>  drivers/usb/host/Makefile      |   1 +
>  drivers/usb/host/xhci-exynos.c | 982 +++++++++++++++++++++++++++++++++
>  drivers/usb/host/xhci-exynos.h |  63 +++
>  4 files changed, 1055 insertions(+)
>  create mode 100644 drivers/usb/host/xhci-exynos.c
>  create mode 100644 drivers/usb/host/xhci-exynos.h
> 

Please address all the questions I raised in your v1, do not ignore them.

Please use get_maintainers.pl to CC all necessary people and lists. It
makes me very sad that you do not follow the kernel development process
(as mentioned in submitting-patches.rst and other documents).

Best regards,
Krzysztof