On Thu May 7, 2026 at 2:58 PM IST, Jens Wiklander wrote: > From: Jerome Forissier <[email protected]> > > Fix build errors after the re-sync of the DWC3 driver with the kernel. > U-Boot has different needs than the kernel: buses, interrupts, internal > APIs (DMA, traces, DT...) so many adaptations are required. This commit > re-introduces many of the changes that were done locally after the > initial import of the DWC3 code from kernel 3.19-rc1 11 years ago, as > well as other fixes. This is compile-tested only. > > Signed-off-by: Jerome Forissier <[email protected]> > Signed-off-by: Jens Wiklander <[email protected]> > --- > drivers/usb/cdns3/ep0.c | 8 +- > drivers/usb/common/common.c | 23 + > drivers/usb/dwc3/Makefile | 57 +- > drivers/usb/dwc3/core.c | 1761 ++++++------------------ > drivers/usb/dwc3/core.h | 39 +- > drivers/usb/dwc3/dwc3-am62.c | 424 +----- > drivers/usb/dwc3/dwc3-omap.c | 2 - > drivers/usb/dwc3/ep0.c | 110 +- > drivers/usb/dwc3/gadget.c | 786 +++-------- > drivers/usb/dwc3/gadget.h | 4 +- > drivers/usb/dwc3/io.h | 28 +- > drivers/usb/dwc3/ti_usb_phy.c | 2 - > drivers/usb/gadget/at91_udc.c | 46 - > drivers/usb/gadget/atmel_usba_udc.c | 102 +- > drivers/usb/gadget/ci_udc.c | 419 ------ > drivers/usb/gadget/composite.c | 2 +- > drivers/usb/gadget/dwc2_udc_otg.c | 174 +-- > drivers/usb/gadget/epautoconf.c | 2 - > drivers/usb/gadget/ether.c | 21 +- > drivers/usb/gadget/f_acm.c | 20 +- > drivers/usb/gadget/f_fastboot.c | 10 +- > drivers/usb/gadget/f_mass_storage.c | 5 +- > drivers/usb/gadget/f_rockusb.c | 11 +- > drivers/usb/gadget/f_sdp.c | 12 +- > drivers/usb/gadget/f_thor.c | 19 +- > drivers/usb/gadget/udc/Makefile | 1 + > drivers/usb/gadget/udc/udc-core.c | 1021 +++----------- > drivers/usb/host/xhci-dwc3.c | 4 +- > drivers/usb/host/xhci-exynos5.c | 2 +- > drivers/usb/mtu3/mtu3_gadget_ep0.c | 16 +- > drivers/usb/musb-new/musb_gadget_ep0.c | 24 +- > drivers/usb/musb-new/musb_uboot.c | 39 - > include/dm/device_compat.h | 13 + > include/dm/read.h | 46 + > include/linux/compat.h | 15 + > include/linux/usb/ch9.h | 25 +- > include/linux/usb/gadget.h | 520 ++----- > include/linux/usb/otg.h | 10 + > include/linux/usb/phy.h | 56 + > 39 files changed, 1347 insertions(+), 4532 deletions(-) >
[snip] > diff --git a/drivers/usb/dwc3/Makefile b/drivers/usb/dwc3/Makefile > index a619cd374fb4..ae1725756c0e 100644 > --- a/drivers/usb/dwc3/Makefile > +++ b/drivers/usb/dwc3/Makefile > @@ -1,18 +1,59 @@ > -# SPDX-License-Identifier: GPL-2.0+ > - > +# SPDX-License-Identifier: GPL-2.0 > obj-$(CONFIG_USB_DWC3) += dwc3.o > > dwc3-y := core.o > > -obj-$(CONFIG_USB_DWC3_GADGET) += gadget.o ep0.o > +ifneq ($(filter y,$(CONFIG_USB_DWC3_HOST) $(CONFIG_USB_DWC3_DUAL_ROLE)),) > + dwc3-y += host.o > +endif > + > +ifneq ($(filter y,$(CONFIG_USB_DWC3_GADGET) $(CONFIG_USB_DWC3_DUAL_ROLE)),) > + dwc3-y += gadget.o ep0.o > +endif > + > +ifneq ($(CONFIG_USB_DWC3_DUAL_ROLE),) > + dwc3-y += drd.o > +endif > + > +ifneq ($(CONFIG_USB_DWC3_ULPI),) > + dwc3-y += ulpi.o > +endif > + > +ifneq ($(CONFIG_DEBUG_FS),) > + dwc3-y += debugfs.o > +endif > + > +## > +# Platform-specific glue layers go here > +# > +# NOTICE: Make sure your glue layer doesn't depend on anything > +# which is arch-specific and that it compiles on all situations. > +# > +# We want to keep this requirement in order to be able to compile > +# the entire driver (with all its glue layers) on several architectures > +# and make sure it compiles fine. This will also help with allmodconfig > +# and allyesconfig builds. > +## > > -obj-$(CONFIG_$(PHASE_)USB_DWC3_AM62) += dwc3-am62.o > +obj-$(CONFIG_USB_DWC3_AM62) += dwc3-am62.o Why is this change being made here? We need dwc3-am62 driver at SPL stage for DFU boot on K3 devices. The Kconfig should have a corresponding CONFIG_SPL_USB_DWC3_AM62 symbol as well. Regards, Anshul
