From patchwork Thu Jun 9 10:54:07 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajendra Nayak X-Patchwork-Id: 863972 X-Patchwork-Delegate: khilman@deeprootsystems.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.4) with ESMTP id p59Asiwj004757 for ; Thu, 9 Jun 2011 10:54:44 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757235Ab1FIKyg (ORCPT ); Thu, 9 Jun 2011 06:54:36 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:49952 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757225Ab1FIKyd (ORCPT ); Thu, 9 Jun 2011 06:54:33 -0400 Received: from dbdp20.itg.ti.com ([172.24.170.38]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id p59AsKMn012284 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 9 Jun 2011 05:54:22 -0500 Received: from dbde71.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id p59AsHUh018053; Thu, 9 Jun 2011 16:24:20 +0530 (IST) Received: from dbdp31.itg.ti.com (172.24.170.98) by DBDE71.ent.ti.com (172.24.170.149) with Microsoft SMTP Server id 8.3.106.1; Thu, 9 Jun 2011 16:24:17 +0530 Received: from linfarm476.india.ti.com (dbdp20.itg.ti.com [172.24.170.38]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id p59AsEWo017564; Thu, 9 Jun 2011 16:24:15 +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 p59AsEoj028739; Thu, 9 Jun 2011 16:24:14 +0530 Received: (from a0131687@localhost) by linfarm476.india.ti.com (8.12.11/8.12.11/Submit) id p59AsErt028737; Thu, 9 Jun 2011 16:24:14 +0530 From: Rajendra Nayak To: CC: , , , , , Rajendra Nayak Subject: [PATCH 2/8] OMAP2+: clockdomain: Add SoC support for clkdm_is_idle Date: Thu, 9 Jun 2011 16:24:07 +0530 Message-ID: <1307616853-28395-3-git-send-email-rnayak@ti.com> X-Mailer: git-send-email 1.5.6.6 In-Reply-To: <1307616853-28395-2-git-send-email-rnayak@ti.com> References: <1307616853-28395-1-git-send-email-rnayak@ti.com> <1307616853-28395-2-git-send-email-rnayak@ti.com> MIME-Version: 1.0 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-4.2.6 (demeter1.kernel.org [140.211.167.41]); Thu, 09 Jun 2011 10:54:44 +0000 (UTC) Add the SoC specific implemenation for clkdm_is_idle for OMAP2/3 and OMAP4. Signed-off-by: Rajendra Nayak --- arch/arm/mach-omap2/clockdomain2xxx_3xxx.c | 12 ++++++++++++ arch/arm/mach-omap2/clockdomain44xx.c | 7 +++++++ 2 files changed, 19 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c b/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c index 48d0db7..e0c393f 100644 --- a/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c +++ b/arch/arm/mach-omap2/clockdomain2xxx_3xxx.c @@ -13,6 +13,7 @@ */ #include +#include #include #include "prm.h" #include "prm2xxx_3xxx.h" @@ -146,6 +147,15 @@ static void omap2_clkdm_deny_idle(struct clockdomain *clkdm) _clkdm_del_autodeps(clkdm); } +static int omap2_clkdm_is_idle(struct clockdomain *clkdm) +{ + if (!clkdm->clktrctrl_mask) + return -EINVAL; + + return omap2_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs, + clkdm->clktrctrl_mask); +} + static void _enable_hwsup(struct clockdomain *clkdm) { if (cpu_is_omap24xx()) @@ -252,6 +262,7 @@ struct clkdm_ops omap2_clkdm_operations = { .clkdm_wakeup = omap2_clkdm_wakeup, .clkdm_allow_idle = omap2_clkdm_allow_idle, .clkdm_deny_idle = omap2_clkdm_deny_idle, + .clkdm_is_idle = omap2_clkdm_is_idle, .clkdm_clk_enable = omap2_clkdm_clk_enable, .clkdm_clk_disable = omap2_clkdm_clk_disable, }; @@ -269,6 +280,7 @@ struct clkdm_ops omap3_clkdm_operations = { .clkdm_wakeup = omap3_clkdm_wakeup, .clkdm_allow_idle = omap3_clkdm_allow_idle, .clkdm_deny_idle = omap3_clkdm_deny_idle, + .clkdm_is_idle = omap2_clkdm_is_idle, .clkdm_clk_enable = omap2_clkdm_clk_enable, .clkdm_clk_disable = omap2_clkdm_clk_disable, }; diff --git a/arch/arm/mach-omap2/clockdomain44xx.c b/arch/arm/mach-omap2/clockdomain44xx.c index a1a4ecd..4b10727 100644 --- a/arch/arm/mach-omap2/clockdomain44xx.c +++ b/arch/arm/mach-omap2/clockdomain44xx.c @@ -93,6 +93,12 @@ static void omap4_clkdm_deny_idle(struct clockdomain *clkdm) clkdm->cm_inst, clkdm->clkdm_offs); } +static int omap4_clkdm_is_idle(struct clockdomain *clkdm) +{ + return omap4_cminst_is_clkdm_in_hwsup(clkdm->prcm_partition, + clkdm->cm_inst, clkdm->clkdm_offs); +} + static int omap4_clkdm_clk_enable(struct clockdomain *clkdm) { bool hwsup = false; @@ -132,6 +138,7 @@ struct clkdm_ops omap4_clkdm_operations = { .clkdm_wakeup = omap4_clkdm_wakeup, .clkdm_allow_idle = omap4_clkdm_allow_idle, .clkdm_deny_idle = omap4_clkdm_deny_idle, + .clkdm_is_idle = omap4_clkdm_is_idle, .clkdm_clk_enable = omap4_clkdm_clk_enable, .clkdm_clk_disable = omap4_clkdm_clk_disable, };