Hi, I was working on an "usbport" LED trigger driver and specifying its default state in DT. I realized I can't really determine numbering of USB ports on any device as it depends on compiled drivers and the loading orders. It means that my physical USB port can be e.g. 1-1 or 2-1 depending on my current config/setup. I needed a way to specify a particular HCD in DT and then hardcode port number (as this part doesn't change). These 2 patches add providers to usb core subsystem. I successfully tested it with "usbport" trigger and generic-ohci, generic-ehci & generic-xhci. The last (third) patch is not supposed to be applied, it's used only as a proof and example of how providers can be used. If there is anything wrong with this idea/implementation, please let me know. Rafał Miłecki (2): usb: core: add support for HCD providers ohci-platform: register HCD provider drivers/usb/core/Makefile | 1 + drivers/usb/core/provider.c | 79 ++++++++++++++++++++++++++++++++++++++++ drivers/usb/host/ohci-platform.c | 9 +++++ include/linux/usb/provider.h | 39 ++++++++++++++++++++ 4 files changed, 128 insertions(+) create mode 100644 drivers/usb/core/provider.c create mode 100644 include/linux/usb/provider.h -- 1.8.4.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
