From mboxrd@z Thu Jan 1 00:00:00 1970 From: Omar Ramirez Luna Subject: Re: PM/RTC 3.5-rc5: System suspends fails when not built with RTC? Date: Wed, 11 Jul 2012 15:52:00 -0500 Message-ID: References: <87zk77p3s5.fsf@ti.com> <87pq82kz0l.fsf@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: Received: from mail-vb0-f46.google.com ([209.85.212.46]:65245 "EHLO mail-vb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752418Ab2GKUwB (ORCPT ); Wed, 11 Jul 2012 16:52:01 -0400 Received: by vbbff1 with SMTP id ff1so1063082vbb.19 for ; Wed, 11 Jul 2012 13:52:00 -0700 (PDT) In-Reply-To: <87pq82kz0l.fsf@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Kevin Hilman Cc: Joe Woodward , "linux-omap@vger.kernel.org" On 11 July 2012 12:07, Kevin Hilman wrote: ... >> [ 2.311004] omap_hsmmc omap_hsmmc.0: Failed to get debounce clk >> [ 2.317382] omap_hsmmc omap_hsmmc.0: unable to obtain RX DMA engine channel 62 >> [ 2.325256] omap_hsmmc omap_hsmmc.1: Failed to get debounce clk >> [ 2.331512] omap_hsmmc omap_hsmmc.1: unable to obtain RX DMA engine channel 48 > > These are normal because DMA engine is not compiled in with > omap2plus_defconfig. MMC wont' work unless you build in DMA engine, but > that doesn't matter for trying to figure out your problem. Hijacking this thread a little bit... It looks like a dependency is missing in Kconfig then, as this also fails to boot if the file system is in MMC. As you pointed out CONFIG_DMADEVICES and CONFIG_DMA_OMAP is needed to boot in this case. I'm using a Panda 4460. Regards, Omar