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From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Kai-Heng Feng <kai.heng.feng@canonical.com>,
	Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
	"open list:SERIAL DRIVERS" <linux-serial@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Morris Ku <morris_ku@sunix.com>,
	Debbie Liu <debbie_liu@sunix.com>
Subject: Re: [PATCH v2 1/2] serial: 8250_pci: Add support for Sunix serial boards
Date: Tue, 13 Aug 2019 11:23:35 +0300	[thread overview]
Message-ID: <CAHp75VedrnJDOoJGuYJiFAx3ODGAMFx7nTKuoErNn3NWYSn_gA@mail.gmail.com> (raw)
In-Reply-To: <20190813061228.GH6670@kroah.com>

On Tue, Aug 13, 2019 at 9:12 AM Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
> On Tue, Aug 13, 2019 at 12:36:40PM +0800, Kai-Heng Feng wrote:
> > at 21:18, Andy Shevchenko <andy.shevchenko@gmail.com> wrote:
> > > On Fri, Aug 9, 2019 at 10:05 PM Kai-Heng Feng
> > > <kai.heng.feng@canonical.com> wrote:

> > > Can you, please, split out the Sunix quirk driver to a separate module
> > > (see examples like: 8250_exar, 8250_lpss, 8250_mid)?
> > > And then with a fewer LOCs add a new boards.
> >
> > Greg asked Sunix to use existing 8250_pci.c instead of its own module.
> > It only needs a special setup function, other parts are just 8250_pci.
>
> Agreed.  And this patch is already in my tree :)
>
> If people really worry about size issues, start carving this up by
> different configuration options, or yes, split it up into tiny modules
> (but note the overhead there when things get too tiny, it's a
> diminishing return).

It's always a trade off and associative pros and cons. If Sunix is a
simple one, I tend to agree that 8250_pci is a good place. For rather
big quirk modules, like Exar one, the separate sounds better (and as
we can see from retrospective of maintenance).

>
> > Why does split them a better idea? I even think of squashing 8250_moxa into
> > 8250_pci.
>
> I would agree with you, I bet you save space if you do that.



-- 
With Best Regards,
Andy Shevchenko

      reply	other threads:[~2019-08-13  8:23 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-09 19:01 [PATCH v2 1/2] serial: 8250_pci: Add support for Sunix serial boards Kai-Heng Feng
2019-08-09 19:01 ` [PATCH v2 2/2] parport: parport_serial: Add support for Sunix Multi I/O boards Kai-Heng Feng
2019-08-10 13:18 ` [PATCH v2 1/2] serial: 8250_pci: Add support for Sunix serial boards Andy Shevchenko
2019-08-13  4:36   ` Kai-Heng Feng
2019-08-13  6:12     ` Greg Kroah-Hartman
2019-08-13  8:23       ` Andy Shevchenko [this message]

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