From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH] ARM: OMAP AM3517/3505: fix crash on boot due to incorrect voltagedomain data Date: Fri, 16 Dec 2011 11:46:21 -0800 Message-ID: <20111216194620.GE32251@atomide.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-03-ewr.mailhop.org ([204.13.248.66]:45513 "EHLO mho-01-ewr.mailhop.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752209Ab1LPTqZ (ORCPT ); Fri, 16 Dec 2011 14:46:25 -0500 Content-Disposition: inline In-Reply-To: Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Paul Walmsley Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Igor Grinberg , Kevin Hilman * Paul Walmsley [111215 23:30]: > > AM3517/3505 chips don't have voltage controller and voltage processor > IP blocks. Trying to use OMAP34xx/36xx voltage domain data on these > chips causes a crash during boot: > > omap_vc_init_channel: PMIC info requried to configure vc forvdd_core not populated.Hence cannot initialize vc > Unable to handle kernel NULL pointer dereference at virtual address 00000025 > pgd = c0004000 > [00000025] *pgd=00000000 > Internal error: Oops: 5 [#1] SMP > Modules linked in: > CPU: 0 Tainted: G W (3.2.0-rc5-00006-g402ecf4 #304) > PC is at omap_vp_init+0x5c/0x14c > LR is at omap_vp_init+0x54/0x14c > > Fix this by using very minimal voltage domain definitions for AM3517/3505. Thanks adding this into fixes-non-critical-part2. Regards, Tony