From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sourav Subject: Re: [RFC 00/24] OMAP serial driver flow control fixes, and preparation for DMA engine conversion Date: Thu, 11 Oct 2012 15:13:43 +0530 Message-ID: <507694CF.3020204@ti.com> References: <20121006123803.GD15246@n2100.arm.linux.org.uk> <507427DA.6020409@ti.com> <87mwzuxjtc.fsf@deeprootsystems.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from bear.ext.ti.com ([192.94.94.41]:57775 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755638Ab2JKJn4 (ORCPT ); Thu, 11 Oct 2012 05:43:56 -0400 In-Reply-To: <87mwzuxjtc.fsf@deeprootsystems.com> Sender: linux-serial-owner@vger.kernel.org List-Id: linux-serial@vger.kernel.org To: Kevin Hilman Cc: Russell King - ARM Linux , Tony Lindgren , Greg Kroah-Hartman , linux-serial@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Alan Cox Hi Kevin, On Wednesday 10 October 2012 11:59 PM, Kevin Hilman wrote: > Hi Sourav, > > Sourav writes: > > [...] > >> Boot Tested this patch series against v3.6 tag(applied cleanly) on >> panda board and >> PM tested(hitting off in Idle and suspend) on omap3630 based beagle board. >> >> Note, I also tested the patches against the current master but only >> after rebasing, since the current master includes serial patches from >> Felipe Balbi[1]. >> [1] https://lkml.org/lkml/2012/8/24/139 >> >> Tested-by: Sourav Poddar > Did you test flow control after off-mode transitons? > > Russell indicated that the context save/restore is not saving important > bits related to HW flow control, so I suspect some more testing, > specifically of flow control after off-mode is needed. > > Kevin The testing done was without any flow control enabled. I will try to figure out how to do a hardware flow control testing and see the status after the off mode. ~Sourav