Re: [RFC PATCH v1 2/2] usb: host: add xhci-exynos to support Exynos SOCs

From: Jung Daehwan
Date: Mon Dec 05 2022 - 02:59:35 EST


On Mon, Dec 05, 2022 at 08:33:39AM +0100, Krzysztof Kozlowski wrote:
> On 05/12/2022 03:34, Jung Daehwan wrote:
>
> >>> Am I missing something here?
> >>
> >> Because it is not a driver for Exynos... it's a driver for wakelocks for
> >> their specific Android use-cases which the manufacturer ships for their
> >> Android devices. Due to Google GKI, they try to squeeze into upstream.
> >> But this is huge misconception what should go to upstream and Samsung
> >> does not want to keep discussing. They just send random patches and
> >> disappear...
> >>
> >> Best regards,
> >> Krzysztof
> >>
> >>
> >
> > No. It's driver for Exynos. Currently It only has wakelocks but I will
> > submit one by one. Please think as the first patch of exynos not
> > squeezed.
>
> That's not how upstream kernel development works... Your code has
> nothing for Exynos. It's Android driver, not Exynos. If you say there is
> something for Exynos it must be visible here. Wakelocks are not relevant
> to Exynos, so after dropping them there would be empty stub in upstream
> kernel which obviously cannot be accepted.
>
> Best regards,
> Krzysztof
>
>

Well, Exynos only uses wakelocks when I see mainline because it seems no
other driver use it. That's why I thought it could be a exynos specific.
Do you agree that if I put wakelocks into xhci platform driver?

Best Regards,
Jung Daehwan