From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: Overo serial problems after resume, vs. Beagleboard Date: Tue, 22 Jun 2010 07:31:00 -0700 Message-ID: <87zkynnnq3.fsf@deeprootsystems.com> References: <4C1F9B80.9010708@gmail.com> <874ogw1dy2.fsf@deeprootsystems.com> <4C207A9C.7070309@compulab.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-pw0-f46.google.com ([209.85.160.46]:48540 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754070Ab0FVObG (ORCPT ); Tue, 22 Jun 2010 10:31:06 -0400 Received: by pwj8 with SMTP id 8so952483pwj.19 for ; Tue, 22 Jun 2010 07:31:04 -0700 (PDT) In-Reply-To: <4C207A9C.7070309@compulab.co.il> (Mike Rapoport's message of "Tue\, 22 Jun 2010 11\:55\:56 +0300") Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Mike Rapoport Cc: Peter Tseng , "linux-omap@vger.kernel.org" , Han Wang Mike Rapoport writes: > Kevin Hilman wrote: >> Peter Tseng writes: >> >>> I am seeing some discrepancies between the Overo (I believe I have a >>> Water) and the Beagleboard (I have a Rev. B5) when resuming after a >>> suspend to RAM. >> >> Not that it is much comfort, but I have the same problem on Overo but >> don't see it on any other OMAP3 board. >> >> I have yet to debug this particular issue further. > > I had the same issue on CM-T35 and when I've disabled CONFIG_CPU_IDLE > in the kernel configuration the issue disappeared. Maybe it'll be of > some help. That just masks the problem by not auto-gating the UART clocks. Kevin