From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Guo Subject: Re: [PATCH 2/2 v3] imx: add polled io uart methods Date: Mon, 26 Dec 2011 09:59:25 +0800 Message-ID: <20111226015924.GJ8240@S2100-06.ap.freescale.net> References: <1324544273-9820-1-git-send-email-dirk.behme@gmail.com> <1324544273-9820-2-git-send-email-dirk.behme@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Return-path: Received: from db3ehsobe001.messaging.microsoft.com ([213.199.154.139]:59769 "EHLO DB3EHSOBE001.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752986Ab1LZBpx (ORCPT ); Sun, 25 Dec 2011 20:45:53 -0500 Content-Disposition: inline In-Reply-To: <1324544273-9820-2-git-send-email-dirk.behme@gmail.com> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Dirk Behme Cc: linux-arm-kernel@lists.infradead.org, Sascha Hauer , Dirk Behme , linux-serial@vger.kernel.org, Uwe Kleine-Koenig , Fabio Estevam , Saleem Abdulrasool , Alan Cox , Greg Kroah-Hartman On Thu, Dec 22, 2011 at 09:57:53AM +0100, Dirk Behme wrote: > From: Saleem Abdulrasool > > These methods are invoked if the iMX uart is used in conjuction with kgdb during > early boot. In order to access the UART without the interrupts, the kernel uses > the basic polling methods for IO with the device. With these methods > implemented, it is now possible to enable kgdb during early boot over serial. > > Signed-off-by: Saleem Abdulrasool > Signed-off-by: Dirk Behme > CC: Sascha Hauer > CC: Fabio Estevam > CC: Uwe Kleine-Koenig > CC: linux-serial@vger.kernel.org > CC: Alan Cox I queued this for 3.3, and will send a pull-request to Greg. -- Regards, Shawn