From mboxrd@z Thu Jan 1 00:00:00 1970 From: Artem Bityutskiy Subject: Re: [PATCH 06/12] omap: mailbox: Flush posted write when acking mailbox irq Date: Fri, 25 Sep 2009 10:12:21 +0300 Message-ID: <4ABC6D55.3000108@gmail.com> References: <20090924233027.6065.95725.stgit@localhost> <20090924233920.6065.16789.stgit@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from smtp.nokia.com ([192.100.105.134]:56456 "EHLO mgw-mx09.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752281AbZIYHPa (ORCPT ); Fri, 25 Sep 2009 03:15:30 -0400 In-Reply-To: <20090924233920.6065.16789.stgit@localhost> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Tony Lindgren Cc: linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, Hiroshi DOYU On 09/25/2009 02:39 AM, Tony Lindgren wrote: > From: Hiroshi DOYU > > The only way to flush posted write to L4 bus is to do a read back > of the same register right after the write. Just curious, is it really necessary to read back the _same_ register? Would reading back any L4 bus-related register be sufficient? --=20 Best Regards, Artem Bityutskiy (=D0=90=D1=80=D1=82=D1=91=D0=BC =D0=91=D0=B8=D1=82=D1=8E= =D1=86=D0=BA=D0=B8=D0=B9) -- To unsubscribe from this list: send the line "unsubscribe linux-omap" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html