From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754783Ab3KTSVw (ORCPT ); Wed, 20 Nov 2013 13:21:52 -0500 Received: from mail-pd0-f172.google.com ([209.85.192.172]:50210 "EHLO mail-pd0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754525Ab3KTSVq (ORCPT ); Wed, 20 Nov 2013 13:21:46 -0500 From: Daniel Kurtz To: Russell King , Kukjin Kim , Ben Dooks Cc: Tomasz Figa , Heiko Stuebner , Amit Daniel Kachhap , Abhilash Kesavan , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Doug Andersen , Daniel Kurtz Subject: [PATCH 2/3] ARM: SAMSUNG: Let s3c_pm_do_restore_*() take const sleep_save Date: Thu, 21 Nov 2013 02:21:25 +0800 Message-Id: <1384971686-7208-2-git-send-email-djkurtz@chromium.org> X-Mailer: git-send-email 1.8.4.1 In-Reply-To: <1384971686-7208-1-git-send-email-djkurtz@chromium.org> References: <1384971686-7208-1-git-send-email-djkurtz@chromium.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The restore functions do not modify the passed in struct sleep_save, so that parameter can be const. This allows us to pass in const struct. This allows us to use const structs sleep_save to define system registers that will always be restored to a constant value. Signed-off-by: Daniel Kurtz --- arch/arm/plat-samsung/include/plat/pm.h | 4 ++-- arch/arm/plat-samsung/pm.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h index 6bc1a8f..ff6063f 100644 --- a/arch/arm/plat-samsung/include/plat/pm.h +++ b/arch/arm/plat-samsung/include/plat/pm.h @@ -101,8 +101,8 @@ struct pm_uart_save { /* helper functions to save/restore lists of registers. */ extern void s3c_pm_do_save(struct sleep_save *ptr, int count); -extern void s3c_pm_do_restore(struct sleep_save *ptr, int count); -extern void s3c_pm_do_restore_core(struct sleep_save *ptr, int count); +extern void s3c_pm_do_restore(const struct sleep_save *ptr, int count); +extern void s3c_pm_do_restore_core(const struct sleep_save *ptr, int count); #ifdef CONFIG_SAMSUNG_PM extern int s3c_irq_wake(struct irq_data *data, unsigned int state); diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c index d0c2301..416e5be 100644 --- a/arch/arm/plat-samsung/pm.c +++ b/arch/arm/plat-samsung/pm.c @@ -182,7 +182,7 @@ void s3c_pm_do_save(struct sleep_save *ptr, int count) * restore the UARTs state yet */ -void s3c_pm_do_restore(struct sleep_save *ptr, int count) +void s3c_pm_do_restore(const struct sleep_save *ptr, int count) { for (; count > 0; count--, ptr++) { printk(KERN_DEBUG "restore %p (restore %08lx, was %08x)\n", @@ -203,7 +203,7 @@ void s3c_pm_do_restore(struct sleep_save *ptr, int count) * peripherals, as things may be changing! */ -void s3c_pm_do_restore_core(struct sleep_save *ptr, int count) +void s3c_pm_do_restore_core(const struct sleep_save *ptr, int count) { for (; count > 0; count--, ptr++) __raw_writel(ptr->val, ptr->reg); -- 1.8.4.1