| Message ID | 1408715373-25791-8-git-send-email-nm@ti.com |
|---|---|
| State | Accepted |
| Commit | 3e6a1c945950140926dd6e2cc667893de0a7fe3b |
| Headers | show
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[209.132.180.67]) by mx.google.com with ESMTP id g7si40950125pat.194.2014.08.22.06.50.49 for <multiple recipients>; Fri, 22 Aug 2014 06:50:50 -0700 (PDT) Received-SPF: none (google.com: linux-kernel-owner@vger.kernel.org does not designate permitted sender hosts) client-ip=209.132.180.67; Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756536AbaHVNuV (ORCPT <rfc822;yazen.ghannam@linaro.org> + 21 others); Fri, 22 Aug 2014 09:50:21 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:58068 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756262AbaHVNuQ (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Fri, 22 Aug 2014 09:50:16 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id s7MDnpId013172; Fri, 22 Aug 2014 08:49:51 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id s7MDnp8c006158; Fri, 22 Aug 2014 08:49:51 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.174.1; Fri, 22 Aug 2014 08:49:51 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id s7MDnpFh004026; Fri, 22 Aug 2014 08:49:51 -0500 From: Nishanth Menon <nm@ti.com> To: Tony Lindgren <tony@atomide.com> CC: Kevin Hilman <khilman@deeprootsystems.com>, Tero Kristo <t-kristo@ti.com>, Paul Walmsley <paul@pwsan.com>, <linux-arm-kernel@lists.infradead.org>, <linux-omap@vger.kernel.org>, <linux-kernel@vger.kernel.org>, Keerthy <j-keerthy@ti.com>, =?UTF-8?q?Beno=C3=AEt=20Cousson?= <bcousson@baylibre.com>, Santosh Shilimkar <santosh.shilimkar@ti.com>, Nishanth Menon <nm@ti.com> Subject: [PATCH 7/7] ARM: OMAP4+: PM: Use only valid low power state for CPU hotplug Date: Fri, 22 Aug 2014 08:49:33 -0500 Message-ID: <1408715373-25791-8-git-send-email-nm@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1408715373-25791-1-git-send-email-nm@ti.com> References: <1408715373-25791-1-git-send-email-nm@ti.com> MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: list List-ID: <patchwork-forward.linaro.org> X-Mailing-List: linux-kernel@vger.kernel.org X-Removed-Original-Auth: Dkim didn't pass. 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diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c index 4001325..e9cdacf 100644 --- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c +++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c @@ -298,6 +298,10 @@ int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state) if (omap_rev() == OMAP4430_REV_ES1_0) return -ENXIO; + /* Use the achievable power state for the domain */ + power_state = pwrdm_get_valid_lp_state(pm_info->pwrdm, + false, power_state); + if (power_state == PWRDM_POWER_OFF) cpu_state = 1;
Not all SoCs support OFF mode - for example DRA74/72. So, use valid power state during CPU hotplug. Signed-off-by: Nishanth Menon <nm@ti.com> --- arch/arm/mach-omap2/omap-mpuss-lowpower.c | 4 ++++ 1 file changed, 4 insertions(+)