From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Kroah-Hartman Subject: Re: [PATCH v3 01/21 resend] serial: rewrite pxa2xx-uart to use 8250_core Date: Wed, 18 Dec 2013 15:55:11 -0800 Message-ID: <20131218235511.GD14527@kroah.com> References: <1386901645-28895-1-git-send-email-ynvich@gmail.com> <1387309071-22382-1-git-send-email-ynvich@gmail.com> <1387309071-22382-2-git-send-email-ynvich@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1387309071-22382-2-git-send-email-ynvich@gmail.com> Sender: linux-serial-owner@vger.kernel.org To: Sergei Ianovich Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Russell King , Jiri Slaby , Grant Likely , Rob Herring , Heikki Krogerus , James Cameron , Zhou Zhu , Haojian Zhuang , Arnd Bergmann , "open list:SERIAL DRIVERS" , "open list:OPEN FIRMWARE AND..." List-Id: devicetree@vger.kernel.org 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 > Reviewed-by: Heikki Krogerus > Reviewed-by: James Cameron > CC: Greg Kroah-Hartman Acked-by: Greg Kroah-Hartman