From patchwork Tue Feb 2 14:52:20 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tero Kristo X-Patchwork-Id: 76365 X-Patchwork-Delegate: khilman@deeprootsystems.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o12D3CXN019886 for ; Tue, 2 Feb 2010 13:03:12 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755790Ab0BBNDL (ORCPT ); Tue, 2 Feb 2010 08:03:11 -0500 Received: from smtp.nokia.com ([192.100.122.230]:56616 "EHLO mgw-mx03.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754884Ab0BBNDJ (ORCPT ); Tue, 2 Feb 2010 08:03:09 -0500 Received: from esebh105.NOE.Nokia.com (esebh105.ntc.nokia.com [172.21.138.211]) by mgw-mx03.nokia.com (Switch-3.3.3/Switch-3.3.3) with ESMTP id o12D2oET002953 for ; Tue, 2 Feb 2010 15:03:05 +0200 Received: from vaebh104.NOE.Nokia.com ([10.160.244.30]) by esebh105.NOE.Nokia.com with Microsoft SMTPSVC(6.0.3790.3959); Tue, 2 Feb 2010 15:03:02 +0200 Received: from mgw-sa02.ext.nokia.com ([147.243.1.48]) by vaebh104.NOE.Nokia.com over TLS secured channel with Microsoft SMTPSVC(6.0.3790.3959); Tue, 2 Feb 2010 15:03:01 +0200 Received: from localhost.localdomain (sokoban.nmp.nokia.com [172.22.215.13]) by mgw-sa02.ext.nokia.com (Switch-3.3.3/Switch-3.3.3) with ESMTP id o12D2wJd029178 for ; Tue, 2 Feb 2010 15:03:00 +0200 From: Tero Kristo To: linux-omap@vger.kernel.org Subject: [PATCHv5 2/9] OMAP3: PM: Added support for INACTIVE and ON states in omap_sram_idle Date: Tue, 2 Feb 2010 16:52:20 +0200 Message-Id: <1265122347-2233-3-git-send-email-tero.kristo@nokia.com> X-Mailer: git-send-email 1.5.4.3 In-Reply-To: <1265122347-2233-2-git-send-email-tero.kristo@nokia.com> References: <> <1265122347-2233-1-git-send-email-tero.kristo@nokia.com> <1265122347-2233-2-git-send-email-tero.kristo@nokia.com> X-OriginalArrivalTime: 02 Feb 2010 13:03:02.0008 (UTC) FILETIME=[0D1B7F80:01CAA408] X-Nokia-AV: Clean 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 (demeter.kernel.org [140.211.167.41]); Tue, 02 Feb 2010 13:03:12 +0000 (UTC) diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 256ed18..fa9ff9b 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -383,9 +383,10 @@ void omap_sram_idle(void) pwrdm_clear_all_prev_pwrst(core_pwrdm); pwrdm_clear_all_prev_pwrst(per_pwrdm); - mpu_next_state = pwrdm_read_next_pwrst(mpu_pwrdm); + mpu_next_state = omap3_pwrdm_read_next_pwrst(mpu_pwrdm); switch (mpu_next_state) { case PWRDM_POWER_ON: + case PWRDM_POWER_INACTIVE: case PWRDM_POWER_RET: /* No need to save context */ save_state = 0; @@ -403,11 +404,11 @@ void omap_sram_idle(void) /* NEON control */ if (pwrdm_read_pwrst(neon_pwrdm) == PWRDM_POWER_ON) - pwrdm_set_next_pwrst(neon_pwrdm, mpu_next_state); + omap3_pwrdm_set_next_pwrst(neon_pwrdm, mpu_next_state); /* PER */ - per_next_state = pwrdm_read_next_pwrst(per_pwrdm); - core_next_state = pwrdm_read_next_pwrst(core_pwrdm); + per_next_state = omap3_pwrdm_read_next_pwrst(per_pwrdm); + core_next_state = omap3_pwrdm_read_next_pwrst(core_pwrdm); if (per_next_state < PWRDM_POWER_ON) { omap2_gpio_prepare_for_idle(per_next_state); if (per_next_state == PWRDM_POWER_OFF) { @@ -452,9 +453,11 @@ void omap_sram_idle(void) OMAP3430_GR_MOD, OMAP3_PRM_VOLTCTRL_OFFSET); } - /* Enable IO-PAD and IO-CHAIN wakeups */ - prm_set_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN); - omap3_enable_io_chain(); + if (core_next_state <= PWRDM_POWER_RET) { + /* Enable IO-PAD and IO-CHAIN wakeups */ + prm_set_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN); + omap3_enable_io_chain(); + } } omap3_intc_prepare_idle(); @@ -556,15 +559,13 @@ void omap_sram_idle(void) } /* Disable IO-PAD and IO-CHAIN wakeup */ - if (core_next_state < PWRDM_POWER_ON) { + if (core_next_state <= PWRDM_POWER_RET) { prm_clear_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN); omap3_disable_io_chain(); } pwrdm_post_transition(); - - omap2_clkdm_allow_idle(mpu_pwrdm->pwrdm_clkdms[0]); } int omap3_can_sleep(void) @@ -730,7 +731,7 @@ static int omap3_pm_suspend(void) /* Read current next_pwrsts */ list_for_each_entry(pwrst, &pwrst_list, node) - pwrst->saved_state = pwrdm_read_next_pwrst(pwrst->pwrdm); + pwrst->saved_state = omap3_pwrdm_read_next_pwrst(pwrst->pwrdm); /* Set ones wanted by suspend */ list_for_each_entry(pwrst, &pwrst_list, node) { if (set_pwrdm_state(pwrst->pwrdm, pwrst->next_state))