From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753630Ab1KPVFc (ORCPT ); Wed, 16 Nov 2011 16:05:32 -0500 Received: from moutng.kundenserver.de ([212.227.17.9]:58061 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752771Ab1KPVFa (ORCPT ); Wed, 16 Nov 2011 16:05:30 -0500 Date: Wed, 16 Nov 2011 22:05:27 +0100 (CET) From: Guennadi Liakhovetski X-X-Sender: lyakh@axis700.grange To: "Rafael J. Wysocki" cc: Magnus Damm , Linux-sh list , Linux PM list , Linux Kernel Subject: Re: [PATCH 3/3] ARM: mach-shmobile: sh7372 A4R support (v4) In-Reply-To: <201111030017.00780.rjw@sisk.pl> Message-ID: References: <201110200012.43840.rjw@sisk.pl> <201111030017.00780.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Provags-ID: V02:K0:AxNSRgmXWJvxAXxzERoWrJQfSal1mkEqYCS5PVQHhii D4rdmZsGFPPwjCB8cKTYUW6woYRu6IMEDBXbTmudwR3Zj5G8u5 VnUXWJnDn9uL8wckEOQ8JyMmhZx7KhG4ztEXii9wT59ETa+of9 n4n0Zok3yNlBHKs/Rd9zoCHA5uZYyH7LHv2/uveix+aVaiACIC 3gJhvYHbd2ZN4wlFHEHK9yyGZnvK6UXMmvvbEa+eGbqLAcOiGL ivZvg0RqljPAIzGksliiCyycdOfQQ5m26P1plP2Shdt/3b13/a xkkaG+znbH4AeF0JW1MMC99sox1AUv0PQk2UjzuRMXTVt8XRSe qI2IjV8mf9zP62bojghdXTwLBVh8e4sr9kn73MnlHu2u2DoVb0 ZjH0xb+KSU88w== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all 3.2-rc2 halts on ap4evb after [ 0.085937] NetWinder Floating Point Emulator V0.97 (double precision) [ 0.085937] msgmni has been set to 246 [ 0.085937] io scheduler noop registered (default) (normally the following would be printed out afterwards: [ 0.398437] sh-mobile-hdmi sh-mobile-hdmi: Detected HDMI controller 0x0:0x0 [ 0.406250] sh_mobile_meram sh_mobile_meram.0: sh_mobile_meram initialized. [ 0.421875] Console: switching to colour frame buffer device 160x45 [ 0.429687] graphics fb0: registered sh_mobile_lcdc_fb/mainlcd as 1280x720 16bpp. [ 0.437500] graphics fb1: registered sh_mobile_lcdc_fb/mainlcd as 544x961 16bpp. ) and git bisect pointed out at this commit as a culprit. Indeed, reverting it fixes the hanger. I'll send my .config off-list. Thanks Guennadi On Thu, 3 Nov 2011, Rafael J. Wysocki wrote: > On Wednesday, November 02, 2011, Magnus Damm wrote: > > On Wed, Nov 2, 2011 at 11:38 AM, Guennadi Liakhovetski > > wrote: > > > On Thu, 20 Oct 2011, Rafael J. Wysocki wrote: > > > > > >> From: Magnus Damm > > >> > > >> This change adds support for the sh7372 A4R power domain. > > > > > > This version still breaks I2C (#0) on mackerel. Tested with your > > > sh7372-test branch of Oct 18th plus these four patches: > > > > > > 6b29305a PM / Domains: Add default power off governor function (v2) > > > 3d578ae PM / Domains: Add device stop governor function (v2) > > > 6c2cd02 ARM: mach-shmobile: sh7372 A4R support (v4) > > > 9da11f4 ARM: mach-shmobile: sh7372 A3SP support (v4) > > > > Exactly how does it break IIC0? > > It causes some initialization issues to happen. I get the following > messages on every boot: > > i2c-sh_mobile i2c-sh_mobile.0: Transfer request timed out > i2c-sh_mobile i2c-sh_mobile.0: Polling timed out > > three times in a row (there's a delay too). > > The A4R patch is the source of that. > > > Does the same happen with the code base for upcoming 3.2-rc1 from > > latest linux git? > > Yes, it does, AFAICT. > > Thanks, > Rafael > -- > To unsubscribe from this list: send the line "unsubscribe linux-sh" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/