linux-kernel - Re: [PATCH] tty: add Moxa Smartio MUE serial driver

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Message-ID: <CAHp75Vd-ppX00jG4R+TASwqEHaepCoXocStLDxyJOPHQsQmdnQ@mail.gmail.com>
Date:	Wed, 10 Feb 2016 08:32:46 +0200
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	Mathieu OTHACEHE <m.othacehe@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Kalle Valo <kvalo@...eaurora.org>,
	Joe Perches <joe@...ches.com>,
	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] tty: add Moxa Smartio MUE serial driver

On Tue, Feb 9, 2016 at 2:10 PM, Mathieu OTHACEHE <m.othacehe@...il.com> wrote:
>> I'm sorry, but it looks like 8250 based driver if I'm not mistaken. In
>> which case why not to use 8250_core.c / 8250_port.c and entire 8250/
>> infrastructure?
>
> Well, the vendor is providing two drivers for his serial pci cards : mxser and mxupcie.
> The mxser driver has been cleaned up and integrated to mainline a long time ago (drivers/tty/mxser.c).
> I'm trying to do the same thing with the mxupcie driver.
>
> mxser and mxupcie are quite similar, maybe both should use 8250 infrastructure and not
> have independant drivers ?

Might be. Though for new driver it would be much easier to do.
After that someone might move the existing driver.

-- 
With Best Regards,
Andy Shevchenko