linux-kernel - Re: [PATCH 1/3] serial: Create uart_xmit

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Message-ID: <CAHp75VfQHhPoO3Rpk=o1c2qPJB-tc_6G41n6iz3sv_gP44PLUw@mail.gmail.com>
Date:   Tue, 30 Aug 2022 15:38:27 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
        Jiri Slaby <jirislaby@...nel.org>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
        Stephen Warren <swarren@...dia.com>,
        Alan Cox <alan@...ux.intel.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Thierry Reding <treding@...dia.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] serial: Create uart_xmit_advance()

On Tue, Aug 30, 2022 at 3:31 PM Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> On Thu, Aug 25, 2022 at 12:17:05PM +0300, Ilpo Järvinen wrote:
> > A very common pattern in the drivers is to advance xmit tail
> > index and do bookkeeping of Tx'ed characters. Create
> > uart_xmit_advance() to handle it.
> >
> > Fixes: e9ea096dd225 ("serial: tegra: add serial driver")
> > Fixes: 2d908b38d409 ("serial: Add Tegra Combined UART driver")
>
> This commit only adds a new function, it does not "Fix" anything :(

I'm wondering how to tell stable maintainers about dependencies of
(not yet applied) patches? In practice I saw that contributors use
Fixes tag for the entire chain (for the preparatory patches + the real
fix) when it's not easy / in a nice way to rebase to have a one-patch
fix followed by refactoring, etc.

-- 
With Best Regards,
Andy Shevchenko