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

Krzysztof Kozlowski
2022-03-23T08:26:41Z

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