From patchwork Tue May 7 14:39:51 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Holt X-Patchwork-Id: 2535621 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by patchwork1.kernel.org (Postfix) with ESMTP id AAABC3FC5A for ; Tue, 7 May 2013 14:44:47 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UZj6K-0004yj-D0; Tue, 07 May 2013 14:42:46 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UZj5Q-0005OS-UZ; Tue, 07 May 2013 14:41:48 +0000 Received: from relay3.sgi.com ([192.48.152.1] helo=relay.sgi.com) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UZj4d-0005GB-E1 for linux-arm-kernel@lists.infradead.org; Tue, 07 May 2013 14:41:09 +0000 Received: from estes.americas.sgi.com (estes.americas.sgi.com [128.162.236.10]) by relay3.corp.sgi.com (Postfix) with ESMTP id 997F2AC01B; Tue, 7 May 2013 07:40:38 -0700 (PDT) Received: from asylum.americas.sgi.com (asylum.americas.sgi.com [128.162.246.107]) by estes.americas.sgi.com (Postfix) with ESMTP id 3C7727002B89; Tue, 7 May 2013 09:40:38 -0500 (CDT) Received: by asylum.americas.sgi.com (Postfix, from userid 1641) id 35A77932122; Tue, 7 May 2013 09:40:38 -0500 (CDT) From: Robin Holt To: Andrew Morton Subject: [PATCH -v8 07/11] unicore32, prepare reboot_mode for moving to generic kernel code. Date: Tue, 7 May 2013 09:39:51 -0500 Message-Id: <1367937595-32241-8-git-send-email-holt@sgi.com> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1367937595-32241-1-git-send-email-holt@sgi.com> References: <1367937595-32241-1-git-send-email-holt@sgi.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130507_104100_254744_9F04CF27 X-CRM114-Status: GOOD ( 16.56 ) X-Spam-Score: -5.5 (-----) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-5.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [192.48.152.1 listed in list.dnswl.org] -1.3 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Russ Anderson , Russell King , the arch/x86 maintainers , Linux Kernel Mailing List , Robin Holt , "H. Peter Anvin" , Guan Xuetao , Arm Mailing List X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org This patch prepares for the moving the parsing of reboot= to the generic kernel code by making reboot_mode into a more generic form. Signed-off-by: Robin Holt To: Andrew Morton Cc: Guan Xuetao Cc: Russ Anderson Cc: Robin Holt Cc: Russell King Cc: H. Peter Anvin Cc: Linux Kernel Mailing List Cc: the arch/x86 maintainers Cc: Arm Mailing List --- arch/unicore32/kernel/process.c | 10 +++++----- arch/unicore32/kernel/setup.h | 2 +- arch/unicore32/mm/mmu.c | 2 +- 3 files changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/unicore32/kernel/process.c b/arch/unicore32/kernel/process.c index c944769..9dc6e48 100644 --- a/arch/unicore32/kernel/process.c +++ b/arch/unicore32/kernel/process.c @@ -51,14 +51,14 @@ void arch_cpu_idle(void) local_irq_enable(); } -static char reboot_mode = 'h'; +static enum reboot_mode reboot_mode; int __init reboot_setup(char *str) { - reboot_mode = str[0]; + if ('s' == str[0]) + reboot_mode = REBOOT_WARM; return 1; } - __setup("reboot=", reboot_setup); void machine_halt(void) @@ -88,7 +88,7 @@ void machine_restart(char *cmd) * we may need it to insert some 1:1 mappings so that * soft boot works. */ - setup_mm_for_reboot(reboot_mode); + setup_mm_for_reboot(); /* Clean and invalidate caches */ flush_cache_all(); @@ -102,7 +102,7 @@ void machine_restart(char *cmd) /* * Now handle reboot code. */ - if (reboot_mode == 's') { + if (reboot_mode == REBOOT_WARM) { /* Jump into ROM at address 0xffff0000 */ cpu_reset(VECTORS_BASE); } else { diff --git a/arch/unicore32/kernel/setup.h b/arch/unicore32/kernel/setup.h index 30f749d..f5c51b8 100644 --- a/arch/unicore32/kernel/setup.h +++ b/arch/unicore32/kernel/setup.h @@ -22,7 +22,7 @@ extern void puv3_ps2_init(void); extern void pci_puv3_preinit(void); extern void __init puv3_init_gpio(void); -extern void setup_mm_for_reboot(char mode); +extern void setup_mm_for_reboot(void); extern char __stubs_start[], __stubs_end[]; extern char __vectors_start[], __vectors_end[]; diff --git a/arch/unicore32/mm/mmu.c b/arch/unicore32/mm/mmu.c index 43c20b4..4f5a532 100644 --- a/arch/unicore32/mm/mmu.c +++ b/arch/unicore32/mm/mmu.c @@ -445,7 +445,7 @@ void __init paging_init(void) * the user-mode pages. This will then ensure that we have predictable * results when turning the mmu off */ -void setup_mm_for_reboot(char mode) +void setup_mm_for_reboot(void) { unsigned long base_pmdval; pgd_t *pgd;