From patchwork Wed Oct 31 10:43:12 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Walmsley X-Patchwork-Id: 1678311 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id 630CA3FDDA for ; Wed, 31 Oct 2012 10:49:31 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TTVp0-0005n0-Of; Wed, 31 Oct 2012 10:46:54 +0000 Received: from utopia.booyaka.com ([74.50.51.50]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TTVox-0005kY-8S for linux-arm-kernel@lists.infradead.org; Wed, 31 Oct 2012 10:46:52 +0000 Received: (qmail 11017 invoked by uid 1019); 31 Oct 2012 10:46:37 -0000 MBOX-Line: From nobody Wed Oct 31 04:43:12 2012 Subject: [PATCH 1/4] ARM: OMAP2+: clockdomain: Fix OMAP4 ISS clk domain to support only SWSUP To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org From: Paul Walmsley Date: Wed, 31 Oct 2012 04:43:12 -0600 Message-ID: <20121031104309.6557.72704.stgit@dusk.lan> In-Reply-To: <20121031103607.6557.64591.stgit@dusk.lan> References: <20121031103607.6557.64591.stgit@dusk.lan> User-Agent: StGit/0.16-37-g27ac3 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20121031_064651_478542_91BF93EF X-CRM114-Status: GOOD ( 13.43 ) X-Spam-Score: -2.6 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Miguel Vadillo , Benoit Cousson X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Miguel Vadillo Since CAM domain (ISS) has no module wake-up dependency with any other clock domain of the device and the dynamic dependency from L3_main_2 is always disabled, the domain needs to be in force wakeup in order to be able to access it for configure (sysconfig) it or use it. Also since there is no clock in the domain managed automatically by the hardware, there is no use to configure automatic clock domain transition. SW should keep the SW_WKUP domain transition as long as a module in the domain is required to be functional. Signed-off-by: Miguel Vadillo Signed-off-by: Benoit Cousson --- arch/arm/mach-omap2/clockdomains44xx_data.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-omap2/clockdomains44xx_data.c b/arch/arm/mach-omap2/clockdomains44xx_data.c index b56d06b..95192a0 100644 --- a/arch/arm/mach-omap2/clockdomains44xx_data.c +++ b/arch/arm/mach-omap2/clockdomains44xx_data.c @@ -359,7 +359,7 @@ static struct clockdomain iss_44xx_clkdm = { .clkdm_offs = OMAP4430_CM2_CAM_CAM_CDOFFS, .wkdep_srcs = iss_wkup_sleep_deps, .sleepdep_srcs = iss_wkup_sleep_deps, - .flags = CLKDM_CAN_HWSUP_SWSUP, + .flags = CLKDM_CAN_SWSUP, }; static struct clockdomain l3_dss_44xx_clkdm = {