On Fri, May 06, 2022 at 08:45:39AM +0200, Krzysztof Kozlowski wrote: > On 06/05/2022 08:31, Daehwan Jung wrote: > > This is for xHCI Host Controller driver on Exynos SOC. > > https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst#L95 > > > It registers vendor ops before loading xhci platform driver. > > It does not explain why do you need it, why do you do it, what is this > going to achieve or give us. Nver mind that the whole concept if "vendor" ops doesnt make any sense whatsoever, as I've repeatedly pointed out. The "vendor" is completely irrelevant for a Linux driver.