Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754684AbaFBMh1 (ORCPT ); Mon, 2 Jun 2014 08:37:27 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:24419 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752222AbaFBMhX (ORCPT ); Mon, 2 Jun 2014 08:37:23 -0400 X-AuditID: cbfee61a-b7fef6d00000200b-d1-538c7001838c From: Bartlomiej Zolnierkiewicz To: Kukjin Kim Cc: Daniel Lezcano , Tomasz Figa , Sachin Kamat , Viresh Kumar , "Rafael J. Wysocki" , Kyungmin Park , linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linaro-kernel@lists.linaro.org, b.zolnierkie@samsung.com Subject: [PATCH v2 5/7] ARM: EXYNOS: PM: use c15resume firmware method if secure firmware is enabled Date: Mon, 02 Jun 2014 14:35:41 +0200 Message-id: <1401712543-14281-6-git-send-email-b.zolnierkie@samsung.com> X-Mailer: git-send-email 1.7.10.4 In-reply-to: <1401712543-14281-1-git-send-email-b.zolnierkie@samsung.com> References: <1401712543-14281-1-git-send-email-b.zolnierkie@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrCLMWRmVeSWpSXmKPExsVy+t9jQV3Ggp5gg6ff2C02zljPajHvs6xF 74KrbBZnm96wW7w/9IzZYtPja6wWl3fNYbP43HuE0WLG+X1MFmdOX2K1OPmnl9Fi/YzXLBYb v3o48HrcubaHzWPzknqP2/8eM3tsudrO4tG3ZRWjx+dNcgFsUVw2Kak5mWWpRfp2CVwZU853 MRU84aiYeKaRuYFxHXsXIyeHhICJRNOEK6wQtpjEhXvr2boYuTiEBKYzSpyevBnK6WKSaLv/ nwWkik3ASmJi+ypGEFtEQE2iZ/FWRpAiZoG9zBJLuzeBjRUWSJNobDnH1MXIwcEioCoxdX0N SJhXwENiYXcPI8Q2RYnuZxPYQGxOAU+Jlfcegl0hBFSz79UupgmMvAsYGVYxiqYWJBcUJ6Xn GuoVJ+YWl+al6yXn525iBIflM6kdjCsbLA4xCnAwKvHw/lTvCRZiTSwrrsw9xCjBwawkwrvU AijEm5JYWZValB9fVJqTWnyIUZqDRUmc90CrdaCQQHpiSWp2ampBahFMlomDU6qBMWLvNevp Sz/q/GXZa/H4ZNTUsL+Fat5sn/YkXa7gY/r13/FiQlP4Xpsrrw/+f+xxac0mC0bWqz7T7oUd nfez9+JGwVNreQsZuVO0ky8JLmVf22Muob/F9a7DItNZhYHPsuxv6HbmvS/466bxIlxlS6mC 4c7fvB1ZDgtCmjxzyqqzLT6o5rDwK7EUZyQaajEXFScCAM5JirVHAgAA Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use c15resume firmware method instead of accessing the registers directly in exynos_cpu_restore_register() if secure firmware is enabled. This affects both PM resume method and cpuidle AFTR mode. This patch shouldn't cause any functionality changes on boards that don't use secure firmware. Signed-off-by: Bartlomiej Zolnierkiewicz Acked-by: Kyungmin Park --- arch/arm/mach-exynos/pm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index cf09383..aeff99e 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include @@ -232,6 +233,9 @@ static void exynos_cpu_restore_register(void) { unsigned long tmp; + if (call_firmware_op(c15resume, save_arm_register) == 0) + return; + /* Restore Power control register */ tmp = save_arm_register[0]; -- 1.8.2.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/