> > On Fri, Apr 21, 2023 at 04:03:31PM +0800, Stanley Chang wrote: > > In Realtek SoC, the parameter of usb phy is designed to can dynamic > > tuning base on port status. Therefore, add a notify callback of phy > > driver when usb port status change. > > > > Signed-off-by: Stanley Chang <stanley_chang@xxxxxxxxxxx> > > --- > > drivers/usb/core/hub.c | 13 +++++++++++++ include/linux/usb/phy.h | > > 14 ++++++++++++++ > > 2 files changed, 27 insertions(+) > > We can not add callbacks in the kernel that are not actually used, otherwise > they will just be instantly removed. > > Please submit any drivers that need this change at the same time so that we > can verify that the callback is actually correct and needed, otherwise we can > not take this change. > In this stage, we usb phy driver is not at linux upstream. For the android GKI, we have to add this callback to upstream or use the vendor hook of android. I will plan to upstream the realtek usb phy driver. Thanks, Stanley