From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752908AbeDLDza (ORCPT ); Wed, 11 Apr 2018 23:55:30 -0400 Received: from lelnx194.ext.ti.com ([198.47.27.80]:58132 "EHLO lelnx194.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752826AbeDLDz0 (ORCPT ); Wed, 11 Apr 2018 23:55:26 -0400 From: Keerthy To: , , CC: , , , , , , , , Subject: [PATCH 09/14] ARM: OMAP2: Drop the concept of certain power domains not being able to lose context. Date: Thu, 12 Apr 2018 09:23:54 +0530 Message-ID: <1523505239-16229-10-git-send-email-j-keerthy@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1523505239-16229-1-git-send-email-j-keerthy@ti.com> References: <1523505239-16229-1-git-send-email-j-keerthy@ti.com> MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Russ Dill It isn't much of a win, and with hibernation, everything loses context. So Drop the concept of certain power domains not being able to lose context. Signed-off-by: Russ Dill Signed-off-by: Keerthy --- arch/arm/mach-omap2/powerdomain.c | 41 --------------------------------------- arch/arm/mach-omap2/powerdomain.h | 1 - 2 files changed, 42 deletions(-) diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index ee693f6..f180d22 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -1160,47 +1160,6 @@ int pwrdm_get_context_loss_count(struct powerdomain *pwrdm) } /** - * pwrdm_can_ever_lose_context - can this powerdomain ever lose context? - * @pwrdm: struct powerdomain * - * - * Given a struct powerdomain * @pwrdm, returns 1 if the powerdomain - * can lose either memory or logic context or if @pwrdm is invalid, or - * returns 0 otherwise. This function is not concerned with how the - * powerdomain registers are programmed (i.e., to go off or not); it's - * concerned with whether it's ever possible for this powerdomain to - * go off while some other part of the chip is active. This function - * assumes that every powerdomain can go to either ON or INACTIVE. - */ -bool pwrdm_can_ever_lose_context(struct powerdomain *pwrdm) -{ - int i; - - if (!pwrdm) { - pr_debug("powerdomain: %s: invalid powerdomain pointer\n", - __func__); - return 1; - } - - if (pwrdm->pwrsts & PWRSTS_OFF) - return 1; - - if (pwrdm->pwrsts & PWRSTS_RET) { - if (pwrdm->pwrsts_logic_ret & PWRSTS_OFF) - return 1; - - for (i = 0; i < pwrdm->banks; i++) - if (pwrdm->pwrsts_mem_ret[i] & PWRSTS_OFF) - return 1; - } - - for (i = 0; i < pwrdm->banks; i++) - if (pwrdm->pwrsts_mem_on[i] & PWRSTS_OFF) - return 1; - - return 0; -} - -/** * pwrdm_save_context - save powerdomain registers * * Register state is going to be lost due to a suspend or hibernate diff --git a/arch/arm/mach-omap2/powerdomain.h b/arch/arm/mach-omap2/powerdomain.h index 9a907fb..a5bdc28 100644 --- a/arch/arm/mach-omap2/powerdomain.h +++ b/arch/arm/mach-omap2/powerdomain.h @@ -247,7 +247,6 @@ u8 pwrdm_get_valid_lp_state(struct powerdomain *pwrdm, int pwrdm_pre_transition(struct powerdomain *pwrdm); int pwrdm_post_transition(struct powerdomain *pwrdm); int pwrdm_get_context_loss_count(struct powerdomain *pwrdm); -bool pwrdm_can_ever_lose_context(struct powerdomain *pwrdm); extern int omap_set_pwrdm_state(struct powerdomain *pwrdm, u8 state); -- 1.9.1