From patchwork Thu Sep 23 12:34:51 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajendra Nayak X-Patchwork-Id: 201852 X-Patchwork-Delegate: paul@pwsan.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o8NCZ8UW003547 for ; Thu, 23 Sep 2010 12:35:10 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755180Ab0IWMfF (ORCPT ); Thu, 23 Sep 2010 08:35:05 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:50874 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755110Ab0IWMfC (ORCPT ); Thu, 23 Sep 2010 08:35:02 -0400 Received: from dbdp31.itg.ti.com ([172.24.170.98]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id o8NCYvAu006771 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 23 Sep 2010 07:35:00 -0500 Received: from linfarm476.india.ti.com (localhost [127.0.0.1]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id o8NCYtbw028419; Thu, 23 Sep 2010 18:04:55 +0530 (IST) Received: from linfarm476.india.ti.com (localhost [127.0.0.1]) by linfarm476.india.ti.com (8.12.11/8.12.11) with ESMTP id o8NCYs9G026540; Thu, 23 Sep 2010 18:04:54 +0530 Received: (from a0131687@localhost) by linfarm476.india.ti.com (8.12.11/8.12.11/Submit) id o8NCYsAF026538; Thu, 23 Sep 2010 18:04:54 +0530 From: Rajendra Nayak To: linux-omap@vger.kernel.org Cc: paul@pwsan.com, khilman@deeprootsystems.com, b-cousson@ti.com, Santosh Shilimkar , Rajendra Nayak Subject: [RFC 8/8] omap4: powerdomain: Add pwrdm_clear_all_prev_pwrst Date: Thu, 23 Sep 2010 18:04:51 +0530 Message-Id: <1285245291-26442-9-git-send-email-rnayak@ti.com> X-Mailer: git-send-email 1.5.6.6 In-Reply-To: <1285245291-26442-8-git-send-email-rnayak@ti.com> References: <1285245291-26442-1-git-send-email-rnayak@ti.com> <1285245291-26442-2-git-send-email-rnayak@ti.com> <1285245291-26442-3-git-send-email-rnayak@ti.com> <1285245291-26442-4-git-send-email-rnayak@ti.com> <1285245291-26442-5-git-send-email-rnayak@ti.com> <1285245291-26442-6-git-send-email-rnayak@ti.com> <1285245291-26442-7-git-send-email-rnayak@ti.com> <1285245291-26442-8-git-send-email-rnayak@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Thu, 23 Sep 2010 12:35:10 +0000 (UTC) diff --git a/arch/arm/mach-omap2/powerdomains44xx.c b/arch/arm/mach-omap2/powerdomains44xx.c index 3c4b060..7248647 100644 --- a/arch/arm/mach-omap2/powerdomains44xx.c +++ b/arch/arm/mach-omap2/powerdomains44xx.c @@ -44,6 +44,19 @@ int omap4_pwrdm_read_prev_pwrst(struct powerdomain *pwrdm) OMAP4430_LASTPOWERSTATEENTERED_MASK); } +int omap4_pwrdm_clear_all_prev_pwrst(struct powerdomain *pwrdm) +{ + u32 reg; + + omap4_prm_rmw_mod_reg_bits(OMAP4430_LASTPOWERSTATEENTERED_MASK, + 0x3 << OMAP4430_LASTPOWERSTATEENTERED_SHIFT, + pwrdm->prcm_offs, OMAP4_PM_PWSTST); + reg = omap4_prm_read_mod_reg(pwrdm->prcm_offs, pwrdm->context_offset); + omap4_prm_write_mod_reg(reg, pwrdm->prcm_offs, pwrdm->context_offset); + + return 0; +} + int omap4_pwrdm_set_lowpwrstchange(struct powerdomain *pwrdm) { omap4_prm_rmw_mod_reg_bits(OMAP4430_LOWPOWERSTATECHANGE_MASK, @@ -151,6 +164,7 @@ struct pwrdm_functions omap4_pwrdm_functions = { .pwrdm_read_next_pwrst = omap4_pwrdm_read_next_pwrst, .pwrdm_read_pwrst = omap4_pwrdm_read_pwrst, .pwrdm_read_prev_pwrst = omap4_pwrdm_read_prev_pwrst, + .pwrdm_clear_all_prev_pwrst = omap4_pwrdm_clear_all_prev_pwrst, .pwrdm_set_lowpwrstchange = omap4_pwrdm_set_lowpwrstchange, .pwrdm_set_logic_retst = omap4_pwrdm_set_logic_retst, .pwrdm_read_logic_pwrst = omap4_pwrdm_read_logic_pwrst,