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

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Message-ID: <CAHp75VevkaVnuJP4=Jc7Sq7RmX=x7BGfqRL+VY9+13wjG0JxPg@mail.gmail.com>
Date:	Mon, 8 Feb 2016 18:18:54 +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>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] tty: add Moxa Smartio MUE serial driver

On Mon, Feb 1, 2016 at 10:34 PM, Mathieu OTHACEHE <m.othacehe@...il.com> wrote:
> Add a driver which supports:
>
> - CP-102E: 2 ports RS232 PCIE card
> - CP-102EL: 2 ports RS232 PCIE card
> - CP-132EL: 2 ports RS422/485 PCIE card
> - CP-114EL: 4 ports RS232/422/485 PCIE card
> - CP-104EL-A: 4 ports RS232 PCIE card
> - CP-168EL-A: 8 ports RS232 PCIE card
> - CP-118EL-A: 8 ports RS232/422/485 PCIE card
> - CP-118E-A: 8 ports RS422/485 PCIE card
> - CP-138E-A: 8 ports RS422/485 PCIE card
> - CP-134EL-A: 4 ports RS422/485 PCIE card
> - CP-116E-A (A): 8 ports RS232/422/485 PCIE card
> - CP-116E-A (B): 8 ports RS232/422/485 PCIE card
>
> This driver is based on 1.16.7 GPL MOXA driver written by Eric Lo
> and available on MOXA website. The original driver was based on
> Linux serial driver.
>
> Signed-off-by: Mathieu OTHACEHE <m.othacehe@...il.com>
> ---
>
> Hi,
>
> Here is a new driver for MOXA Smartio MUE cards. It is based
> on the vendor driver available on MOXA website and on the
> mainline mxser driver.
>
> I was able to test it on a CP-168EL-A card on PC. Some of the
> cards (118E-A, 138E-A, 134EL-A, 116E-A-A et 116E-A-B) have
> a CPLD module programmable via GPIO.
> For now, I dropped all the code related to CPLD/GPIO because I
> can't test it on my card.
>
> Mathieu

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?

-- 
With Best Regards,
Andy Shevchenko