Hi, Roger Quadros <rogerq@xxxxxx> writes: >> This patch introduce new Cadence USBSS DRD driver >> to linux kernel. >> >> The Cadence USBSS DRD Driver is a highly >> configurable IP Core which can be >> instantiated as Dual-Role Device (DRD), >> Peripheral Only and Host Only (XHCI) >> configurations. >> >> The current driver has been validated with >> FPGA burned. We have support for PCIe >> bus, which is used on FPGA prototyping. >> >> The host side of USBSS-DRD controller is compliance >> with XHCI specification, so it works with >> standard XHCI linux driver. >> >> Signed-off-by: Pawel Laszczak <pawell@xxxxxxxxxxx> >> --- >> drivers/usb/Kconfig | 2 + >> drivers/usb/Makefile | 2 + >> drivers/usb/cdns3/Kconfig | 44 + >> drivers/usb/cdns3/Makefile | 16 + >> drivers/usb/cdns3/cdns3-pci-wrap.c | 157 +++ >> drivers/usb/cdns3/core.c | 451 +++++++ >> drivers/usb/cdns3/core.h | 108 ++ >> drivers/usb/cdns3/debug.h | 346 ++++++ >> drivers/usb/cdns3/debugfs.c | 168 +++ >> drivers/usb/cdns3/drd.c | 315 +++++ >> drivers/usb/cdns3/drd.h | 129 ++ >> drivers/usb/cdns3/ep0.c | 864 +++++++++++++ >> drivers/usb/cdns3/gadget-export.h | 28 + >> drivers/usb/cdns3/gadget.c | 1802 ++++++++++++++++++++++++++++ >> drivers/usb/cdns3/gadget.h | 1177 ++++++++++++++++++ >> drivers/usb/cdns3/host-export.h | 28 + >> drivers/usb/cdns3/host.c | 74 ++ >> drivers/usb/cdns3/trace.c | 11 + >> drivers/usb/cdns3/trace.h | 343 ++++++ > > You went to the other extreme of combining everything (host/gadget/drd) together > which again makes this very hard to review. > > I think what Felipe meant was to only combine the gadget driver code > into one patch. > > The series could be split into 6 patches like so. > -dt binding > -pci glue > -core driver > -host driver > -gadget driver > -drd driver no, no. This is fine. We _could_ split out PCI glue to its own patch, but it's rather pointless seing as it's so small. -- balbi
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