From patchwork Thu Jun 25 16:41:59 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Hilman X-Patchwork-Id: 32419 X-Patchwork-Delegate: khilman@deeprootsystems.com Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id n5PGhNib007409 for ; Thu, 25 Jun 2009 16:43:23 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758537AbZFYQnL (ORCPT ); Thu, 25 Jun 2009 12:43:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758066AbZFYQnL (ORCPT ); Thu, 25 Jun 2009 12:43:11 -0400 Received: from mail-px0-f190.google.com ([209.85.216.190]:49012 "EHLO mail-px0-f190.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756164AbZFYQnK (ORCPT ); Thu, 25 Jun 2009 12:43:10 -0400 Received: by mail-px0-f190.google.com with SMTP id 28so1148479pxi.33 for ; Thu, 25 Jun 2009 09:43:13 -0700 (PDT) Received: by 10.142.51.1 with SMTP id y1mr940811wfy.112.1245948193594; Thu, 25 Jun 2009 09:43:13 -0700 (PDT) Received: from localhost ([216.254.16.51]) by mx.google.com with ESMTPS id 30sm9157310wfc.11.2009.06.25.09.43.10 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 25 Jun 2009 09:43:12 -0700 (PDT) From: Kevin Hilman To: linux-arm-kernel@lists.arm.linux.org.uk Cc: linux-omap@vger.kernel.org Subject: [PATCH 06/11] OMAP3: PM: prevent module wakeups from waking IVA2 Date: Thu, 25 Jun 2009 09:41:59 -0700 Message-Id: <1245948124-24111-7-git-send-email-khilman@deeprootsystems.com> X-Mailer: git-send-email 1.6.3.2 In-Reply-To: <1245948124-24111-6-git-send-email-khilman@deeprootsystems.com> References: <1245948124-24111-1-git-send-email-khilman@deeprootsystems.com> <1245948124-24111-2-git-send-email-khilman@deeprootsystems.com> <1245948124-24111-3-git-send-email-khilman@deeprootsystems.com> <1245948124-24111-4-git-send-email-khilman@deeprootsystems.com> <1245948124-24111-5-git-send-email-khilman@deeprootsystems.com> <1245948124-24111-6-git-send-email-khilman@deeprootsystems.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org By default, prevent functional wakeups from inside a module from waking up the IVA2. Let DSP Bridge code handle this when loaded. Signed-off-by: Kevin Hilman --- arch/arm/mach-omap2/pm34xx.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 1422e93..c813a08 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -613,6 +613,12 @@ static void __init prcm_setup_regs(void) /* Clear any pending PRCM interrupts */ prm_write_mod_reg(0, OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET); + /* Don't attach IVA interrupts */ + prm_write_mod_reg(0, WKUP_MOD, OMAP3430_PM_IVAGRPSEL); + prm_write_mod_reg(0, CORE_MOD, OMAP3430_PM_IVAGRPSEL1); + prm_write_mod_reg(0, CORE_MOD, OMAP3430ES2_PM_IVAGRPSEL3); + prm_write_mod_reg(0, OMAP3430_PER_MOD, OMAP3430_PM_IVAGRPSEL); + /* Clear any pending 'reset' flags */ prm_write_mod_reg(0xffffffff, MPU_MOD, RM_RSTST); prm_write_mod_reg(0xffffffff, CORE_MOD, RM_RSTST);