linux-kernel - Re: [PATCH v3 01/21 resend] serial: rewrite pxa2xx-uart to use 8250

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Message-ID: <20131218235511.GD14527@kroah.com>
Date:	Wed, 18 Dec 2013 15:55:11 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Sergei Ianovich <ynvich@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Russell King <linux@....linux.org.uk>,
	Jiri Slaby <jslaby@...e.cz>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	James Cameron <quozl@...top.org>, Zhou Zhu <zzhu3@...vell.com>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Arnd Bergmann <arnd@...db.de>,
	"open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>
Subject: Re: [PATCH v3 01/21 resend] serial: rewrite pxa2xx-uart to use
 8250_core

On Tue, Dec 17, 2013 at 11:37:31PM +0400, Sergei Ianovich wrote:
> pxa2xx-uart was a separate uart platform driver. It was declaring
> the same device names and numbers as 8250 driver. As a result,
> it was impossible to use 8250 driver on PXA SoCs.
> 
> Upon closer examination pxa2xx-uart turned out to be a clone of
> 8250_core driver.
> 
> Workaround for Erratum #19 according to Marvel(R) PXA270M Processor
> Specification Update (April 19, 2010) is dropped. 8250_core reads
> from FIFO immediately after checking DR bit in LSR.
> 
> Signed-off-by: Sergei Ianovich <ynvich@...il.com>
> Reviewed-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> Reviewed-by: James Cameron <quozl@...top.org>
> CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
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