On Fri, May 19, 2023, at 12:58, Stanley Chang[昌育德] wrote: >> >> I'm pretty sure that drivers/usb/phy/ is deprecated now... >> >> New drivers should be written for the generic PHY subsystem in >> drivers/phy/. Indeed, I missed that in my review. > Thanks for your reminder. > Will drivers/usb/phy be removed? > Is it not allowed to add new drivers? > > In our application, driver/phy is not suitable. > We need to notify the phy driver when the USB hub port status changes. > However, generic PHY drivers are designed for various device's PHY. > And it seems inappropriate to add this function. So we choose to use > driver/usb/phy. If you run into something that works in the old usbphy layer but can't be done in drivers/phy, I think the better solution would be to change the drivers/phy/ code to add this. Arnd