[PATCH v4 00/64] drivers: usb: dwc3: sync code with Linux v6.16

[Ilias Apalodimas]

Michal

On Mon, 29 Jun 2026 at 13:53, Michal Simek <michal.simek at amd.com> wrote:
>
> Hi Jens,
>
> On 6/29/26 10:43, Jens Wiklander wrote:
> > Hi,
> >
> > This is a follow up on my last two patchsets [1] [2], where the latter only
> > with a small change in addition to posting all the patches.
> >
> > The DWC3 USB driver was forked from the Linux kernel v3.19-rc1 eleven years
> > ago by commit 85d5e7075f33 ("usb: dwc3: add dwc3 folder from linux kernel
> > to u-boot"). Since then, not many kernel changes have been ported back into
> > U-Boot.
> >
> > This series synchronizes the DWC3 core with Linux v6.16. To provide
> > a clear audit trail and maintain bisectability, I have structured the
> > series as follows:
> >
> > 1. Restore to Baseline: The first commit reverts U-Boot-specific changes
> >     to drivers/usb/dwc3 to return the directory to a clean v3.19-rc1 state.
> > 2. Milestone Imports: A sequence of 50+ commits follows, each performing
> >     a "snapshot" import of the drivers/usb/dwc3 directory for every major
> >     kernel version (v3.19 through v6.16).
> > 3. U-Boot Adaptation: The final commits (based on Jerome's original work [3])
> >     re-introduce the necessary glue code, XHCI/UDC updates, and build fixes
> >     required for U-Boot integration.
> >
> > Note that this is compile-tested only. The CI pipeline on source.denx.de
> > was used as an OK/NOK indicator [4].
> >
> > These patches are also available at [5].
> >
> > Thanks,
> > Jens
> >
> > [1] https://lore.kernel.org/u-boot/20260507092843.358908-1-jens.wiklander@linaro.org/
> > [2] https://lore.kernel.org/u-boot/20260624123025.GA3245275@rayden/
> > [3] https://lore.kernel.org/all/20251121153812.2076440-1-jerome.forissier@linaro.org/
> > [4] https://source.denx.de/u-boot/custodians/u-boot-tpm/-/pipelines/30524
> > [5] https://github.com/jenswikl/u-boot-1/tree/poc/usb_dwc3_sync_v4
> >
> > v3 -> v4:
> > - Restored obj-$(CONFIG_$(PHASE_)USB_DWC3_AM62) for dwc3-am62.o
> >
> > RFC v2 -> v3:
> > - Rebased on v2026.07-rc3
> > - Configured out a few prints in drivers/usb/gadget/udc/udc-core.c
> >    to make it build for am335x_evm_defconfig
> > - Applied provided tags in [1]
> > - Published as a branch
> >
> > RFC v1 -> RFC v2:
> > - Split the v1 ("usb: dwc3: re-import from kernel v6.16-rc7") into ("usb:
> >    dwc3: restore to original v3.19-rc1 kernel import"),  ("usb: dwc3: import
> >    from kernel v3.19)..("usb: dwc3: import from kernel v6.16-rc7")
> >
> > Jens Wiklander (60):
> >    usb: dwc3: restore to original v3.19-rc1 kernel import
> >    usb: dwc3: import from kernel v3.19
> >    usb: dwc3: import from kernel v4.0
> >    usb: dwc3: import from kernel v4.1
> >    usb: dwc3: import from kernel v4.2
> >    usb: dwc3: import from kernel v4.3
> >    usb: dwc3: import from kernel v4.4
> >    usb: dwc3: import from kernel v4.5
> >    usb: dwc3: import from kernel v4.6
> >    usb: dwc3: import from kernel v4.7
> >    usb: dwc3: import from kernel v4.8
> >    usb: dwc3: import from kernel v4.9
> >    usb: dwc3: import from kernel v4.10
> >    usb: dwc3: import from kernel v4.11
> >    usb: dwc3: import from kernel v4.12
> >    usb: dwc3: import from kernel v4.13
> >    usb: dwc3: import from kernel v4.14
> >    usb: dwc3: import from kernel v4.15
> >    usb: dwc3: import from kernel v4.16
> >    usb: dwc3: import from kernel v4.17
> >    usb: dwc3: import from kernel v4.18
> >    usb: dwc3: import from kernel v4.19
> >    usb: dwc3: import from kernel v4.20
> >    usb: dwc3: import from kernel v5.0
> >    usb: dwc3: import from kernel v5.1
> >    usb: dwc3: import from kernel v5.2
> >    usb: dwc3: import from kernel v5.3
> >    usb: dwc3: import from kernel v5.4
> >    usb: dwc3: import from kernel v5.5
> >    usb: dwc3: import from kernel v5.6
> >    usb: dwc3: import from kernel v5.7
> >    usb: dwc3: import from kernel v5.8
> >    usb: dwc3: import from kernel v5.9
> >    usb: dwc3: import from kernel v5.10
> >    usb: dwc3: import from kernel v5.11
> >    usb: dwc3: import from kernel v5.12
> >    usb: dwc3: import from kernel v5.13
> >    usb: dwc3: import from kernel v5.14
> >    usb: dwc3: import from kernel v5.15
> >    usb: dwc3: import from kernel v5.16
> >    usb: dwc3: import from kernel v5.17
> >    usb: dwc3: import from kernel v5.18
> >    usb: dwc3: import from kernel v5.19
> >    usb: dwc3: import from kernel v6.0
> >    usb: dwc3: import from kernel v6.1
> >    usb: dwc3: import from kernel v6.2
> >    usb: dwc3: import from kernel v6.3
> >    usb: dwc3: import from kernel v6.4
> >    usb: dwc3: import from kernel v6.5
> >    usb: dwc3: import from kernel v6.6
> >    usb: dwc3: import from kernel v6.7
> >    usb: dwc3: import from kernel v6.8
> >    usb: dwc3: import from kernel v6.9
> >    usb: dwc3: import from kernel v6.10
> >    usb: dwc3: import from kernel v6.11
> >    usb: dwc3: import from kernel v6.12
> >    usb: dwc3: import from kernel v6.13
> >    usb: dwc3: import from kernel v6.14
> >    usb: dwc3: import from kernel v6.15
> >    usb: dwc3: import from kernel v6.16
> >
> > Jerome Forissier (4):
> >    usb: host: re-import xhci-ext-caps.h from kernel v6.16
> >    usb: gadget: re-import epautoconf.c from kernel v6.16
> >    usb: udc: re-import udc-core.c from kernel v6.16
> >    usb: fix build after resync of DWC3 with kernel v6.16
>
>
> 4 patches are missing.
>
> b4 am -l 20260629084507.3254232-2-jens.wiklander at linaro.org
> ...
>    ERROR: missing [61/64]!
>    ERROR: missing [62/64]!
>    ERROR: missing [63/64]!
>    ERROR: missing [64/64]!

I do see all of them in my mailbox and u-boot list is cc'ed. Haven;t
tried b4 though


>
> Thanks,
> Michal
>
>