Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 987EAC678D5 for ; Wed, 8 Mar 2023 08:06:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229989AbjCHIGf convert rfc822-to-8bit (ORCPT ); Wed, 8 Mar 2023 03:06:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44288 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229477AbjCHIG3 (ORCPT ); Wed, 8 Mar 2023 03:06:29 -0500 Received: from ex01.ufhost.com (ex01.ufhost.com [61.152.239.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB10D5550A for ; Wed, 8 Mar 2023 00:06:27 -0800 (PST) Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id 9F14D24E0D8; Wed, 8 Mar 2023 16:06:26 +0800 (CST) Received: from EXMBX066.cuchost.com (172.16.7.66) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Wed, 8 Mar 2023 16:06:26 +0800 Received: from jsia-virtual-machine.localdomain (202.188.176.82) by EXMBX066.cuchost.com (172.16.6.66) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Wed, 8 Mar 2023 16:06:23 +0800 From: Sia Jee Heng To: , , CC: , , , , , Conor Dooley , Andrew Jones Subject: [PATCH v5 1/4] RISC-V: Change suspend_save_csrs and suspend_restore_csrs to public function Date: Wed, 8 Mar 2023 16:06:09 +0800 Message-ID: <20230308080612.122398-2-jeeheng.sia@starfivetech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230308080612.122398-1-jeeheng.sia@starfivetech.com> References: <20230308080612.122398-1-jeeheng.sia@starfivetech.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [202.188.176.82] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX066.cuchost.com (172.16.6.66) X-YovoleRuleAgent: yovoleflag Content-Transfer-Encoding: 8BIT Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Currently suspend_save_csrs() and suspend_restore_csrs() functions are statically defined in the suspend.c. Change the function's attribute to public so that the functions can be used by hibernation as well. Signed-off-by: Sia Jee Heng Reviewed-by: Ley Foon Tan Reviewed-by: Mason Huo Reviewed-by: Conor Dooley Reviewed-by: Andrew Jones --- arch/riscv/include/asm/suspend.h | 3 +++ arch/riscv/kernel/suspend.c | 4 ++-- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/riscv/include/asm/suspend.h b/arch/riscv/include/asm/suspend.h index 8be391c2aecb..67e047445662 100644 --- a/arch/riscv/include/asm/suspend.h +++ b/arch/riscv/include/asm/suspend.h @@ -33,4 +33,7 @@ int cpu_suspend(unsigned long arg, /* Low-level CPU resume entry function */ int __cpu_resume_enter(unsigned long hartid, unsigned long context); +/* Used to save and restore the CSRs */ +void suspend_save_csrs(struct suspend_context *context); +void suspend_restore_csrs(struct suspend_context *context); #endif diff --git a/arch/riscv/kernel/suspend.c b/arch/riscv/kernel/suspend.c index 9ba24fb8cc93..3c89b8ec69c4 100644 --- a/arch/riscv/kernel/suspend.c +++ b/arch/riscv/kernel/suspend.c @@ -8,7 +8,7 @@ #include #include -static void suspend_save_csrs(struct suspend_context *context) +void suspend_save_csrs(struct suspend_context *context) { context->scratch = csr_read(CSR_SCRATCH); context->tvec = csr_read(CSR_TVEC); @@ -29,7 +29,7 @@ static void suspend_save_csrs(struct suspend_context *context) #endif } -static void suspend_restore_csrs(struct suspend_context *context) +void suspend_restore_csrs(struct suspend_context *context) { csr_write(CSR_SCRATCH, context->scratch); csr_write(CSR_TVEC, context->tvec); -- 2.34.1