Hi, On Tue, Nov 16, 2021 at 12:07 PM Matthias Kaehlcke <mka@xxxxxxxxxxxx> wrote: > > Call onboard_hub_create/destroy_pdevs() from usb_add/remove_hcd() > for primary HCDs to create/destroy platform devices for onboard > USB hubs that may be connected to the root hub of the controller. > These functions are a NOP unless CONFIG_USB_ONBOARD_HUB=y/m. > > Also add a field to struct usb_hcd to keep track of the onboard hub > platform devices that are owned by the HCD. > > Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx> > --- > > Changes in v17: > - create the platform devices in the generic HCD code instead of > the xhci_platform driver > - updated subject and commit message to reflect the above change > - dropped initialization of platform device list, which is now > done in onboard_hub_create_pdevs() > > Changes in v16: > - none > > Changes in v15: > - none > > Changes in v14: > - none > > Changes in v13: > - added comment for 'depends on USB_ONBOARD_HUB || !USB_ONBOARD_HUB' > construct > > Changes in v12: > - none > > Changes in v11: > - use onboard_hub_create/destroy_pdevs() to support multiple onboard > hubs that are connected to the same root hub > - moved field/list to keep track of platform devices from struct > usb_hcd to struct xhci_hcd > - updated commit message > > Changes in v10: > - none > > Changes in v9: > - added dependency on USB_ONBOARD_HUB (or !!USB_ONBOARD_HUB) to > USB_XHCI_PLATFORM > > Changes in v8: > - none > > Changes in v7: > - none > > Changes in v6: > - none > > Changes in v5: > - patch added to the series > > drivers/usb/core/hcd.c | 6 ++++++ > include/linux/usb/hcd.h | 1 + > 2 files changed, 7 insertions(+) This looks sane to me, so: Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx> That being said, I don't know these functions and can't say with any authority that this is the "right" place to put the onboard_hub_create_pdevs() and onboard_hub_destroy_pdevs(). I'm assuming that Alan, Greg, or someone else on this CC list will scrutinize that more closely and make sure where Matthias picked is OK. -Doug