From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tero Kristo Subject: Re: [PATCHv2 14/19] ARM: OMAP4: wakeupgen: enable clocks for save_secure_all Date: Mon, 21 May 2012 12:35:06 +0300 Message-ID: <1337592906.28274.16.camel@sokoban> References: <1336990730-26892-1-git-send-email-t-kristo@ti.com> <1336990730-26892-15-git-send-email-t-kristo@ti.com> Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: Received: from bear.ext.ti.com ([192.94.94.41]:45635 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932386Ab2EUJfP (ORCPT ); Mon, 21 May 2012 05:35:15 -0400 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, khilman@ti.com, linux-arm-kernel@lists.infradead.org On Wed, 2012-05-16 at 18:17 -0600, Paul Walmsley wrote: > Hi Tero > > On Mon, 14 May 2012, Tero Kristo wrote: > > > save_secure_all needs l3_main_3_ick and l4_secure_clkdm enabled, > > otherwise the secure ROM code will crash. > > Do we know why the l3_main_3 interconnect has to be enabled? Is this > needed to access some L3 or instrumentation registers? Not sure, ROM code is doing something here which requires it, and the ROM code definitely crashes without this. Your guess sounds plausible. -Tero