Re: [PATCH] drivers/tty/serial: move ESP32 UART drivers into staging

From: Max Filippov

Date: Mon Mar 09 2026 - 03:49:41 EST


On Sun, Mar 8, 2026 at 7:16 AM Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Sun, Mar 08, 2026 at 01:14:12PM +0000, Julian Braha wrote:
> > These drivers were added about 3 years ago, and depend on the
> > XTENSA_PLATFORM_ESP32 config option which has never existed,
> > so no device can actually use them.
> > They can only be compiled with COMPILE_TEST.
> >
> > As you can see, this config option is still undefined
> > in the downstream tree:
> > https://github.com/search?q=repo%3Ajcmvbkbc%2Flinux-xtensa%20XTENSA_PLATFORM_ESP32&type=code
> >
> > I propose moving these drivers into staging
> > until there is a device that can boot the mainline kernel and use them.
>
> Why not just delete them?

I agree, it should go. I haven't had a chance to get back to it in 2 years,
and it doesn't look like I will any time soon.

--
Thanks.
-- Max