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From:   Linus Torvalds <torvalds@linux-foundation.org>
Date:   Mon, 27 Feb 2023 14:47:01 -0800
Message-ID: <CAHk-=wj83jsF+4L9Sa2Cm3DutatL0xNhHYSvF3d_QZeekkGeWA@mail.gmail.com>
Subject: Re: [GIT PULL] TTY/Serial driver updates for 6.3-rc1
To:     Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc:     "Theodore Ts'o" <tytso@mit.edu>,
        Greg KH <gregkh@linuxfoundation.org>,
        Tharun Kumar P <tharunkumar.pasumarthi@microchip.com>,
        Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>,
        Jiri Slaby <jslaby@suse.cz>,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        Andrew Morton <akpm@linux-foundation.org>,
        linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org
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On Mon, Feb 27, 2023 at 2:33=E2=80=AFPM Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:
>
> Some of the "new" (not really, the split of the 8250_pci) drivers
> I made in the past inherited that so user won't see the change
> (sudden disappearance of the console w/o touching defconfig).

Ack. That's when 'default XYZ' should actually happen, in order to
people not miss old functionality that was split up into new config
options.

Which has definitely happened too. Then you spend an embarrassing
amount of time looking for "what broke for this device to not work",
when the answer was "that driver isn't built any more, even though the
config didn't change".

Ask me how I know.

         Linus