[PATCH] usb: gadget: renesas: add support for RZ/G2L SoC

Michele Bisogno micbis.openwrt at gmail.com
Tue Apr 21 09:32:00 CEST 2026


Hi Marek,

thank you for your comments and suggestions.

> If Linux also contains the PIO code, it would also benefit from matching
> improvement, right ?

Yes, though I have found the fix is not strictly required. We can maintain
synchronization between both repositories by utilizing the cfifo_byte_addr
parameter for the RZ/G2L and similar devices, allowing us to leave the
existing PIO code untouched.

> This should be a separate bugfix patch.

Agreed.

> Ideally, let's try to keep the Linux and U-Boot driver code base
> synchronized as much as possible.

Understood. I am currently preparing a revised patch set that aligns with
this approach to ensure consistency between the codebases.

Kind regards,
Michele


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