linux-kernel - Re: [PATCH v2] tty: serial: sc16is7xx

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Date:	Fri, 21 Mar 2014 13:22:37 +0000
From:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To:	Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc:	jon@...gle.org, gregkh@...uxfoundation.org, jslaby@...e.cz,
	shc_work@...l.ru, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org, devicetree@...r.kernel.org,
	Jon Ringle <jringle@...dpoint.com>
Subject: Re: [PATCH v2] tty: serial: sc16is7xx

On Fri, 21 Mar 2014 10:26:09 +0200
Heikki Krogerus <heikki.krogerus@...ux.intel.com> wrote:

> Hi,
> 
> On Thu, Mar 20, 2014 at 10:05:33AM -0400, jon@...gle.org wrote:
> > From: Jon Ringle <jringle@...dpoint.com>
> > 
> > The SC16IS7xx is a slave I2C-bus/SPI interface to a single-channel
> > high performance UART. The SC16IS7xx’s internal register set is
> > backward-compatible with the widely used and widely popular 16C450.
> 
> So couldn't this be just a probe driver for 8250?

That was my first thought but if you look at 8250 and its locking
assumptions it is a very poor fit. Better for now it is separate I think.

Alan
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