linux-kernel - Re: [GIT PULL] TTY/Serial driver updates for 6.3-rc1

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Date:   Fri, 24 Feb 2023 13:30:58 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Greg KH <gregkh@...uxfoundation.org>,
        Tharun Kumar P <tharunkumar.pasumarthi@...rochip.com>,
        Kumaravel Thiagarajan <kumaravel.thiagarajan@...rochip.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Jiri Slaby <jslaby@...e.cz>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org
Subject: Re: [GIT PULL] TTY/Serial driver updates for 6.3-rc1

On Fri, Feb 24, 2023 at 1:24 PM Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
>         default SERIAL_8250

Hmm. Looking around, it seems to be a pattern. I'm not convinced any
of them are really valid, except probably the ones that aren't about
specific drivers, but about base support (like the "SERIAL_8250_DMA"
one).

I also do get the feeling that the base "SERIAL_8250" feature might be
better off as a _selected_ option, rather than a "ask if you want it".
I think we've ended up with that SERIAL_8250 being a base option
mainly for historical reasons (ie it was part of the original PC/AT
base specs, and then later it has become a "base driver for a lot of
random cards".

It's probably most legacy by now - it's a long time since I saw a
serial port being used outside of management ports, and even those are
often ethernet these days.

Maybe nobody cares.

             Linus