From patchwork Fri Mar 26 13:44:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Leroy X-Patchwork-Id: 1458797 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=sparclinux-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4F6NZR0jZXz9sWk for ; Sat, 27 Mar 2021 00:47:27 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231183AbhCZNqz (ORCPT ); Fri, 26 Mar 2021 09:46:55 -0400 Received: from pegase1.c-s.fr ([93.17.236.30]:58830 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230218AbhCZNp1 (ORCPT ); Fri, 26 Mar 2021 09:45:27 -0400 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 4F6NWW4kcBz9v03H; Fri, 26 Mar 2021 14:44:55 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id X6tAOk3XRuAU; Fri, 26 Mar 2021 14:44:55 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 4F6NWW3rR4z9v03B; Fri, 26 Mar 2021 14:44:55 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 665048B8C9; Fri, 26 Mar 2021 14:44:56 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id pdElShztt2nj; Fri, 26 Mar 2021 14:44:56 +0100 (CET) Received: from po16121vm.idsi0.si.c-s.fr (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 0CE3F8B8C7; Fri, 26 Mar 2021 14:44:56 +0100 (CET) Received: by po16121vm.idsi0.si.c-s.fr (Postfix, from userid 0) id 8E34E67611; Fri, 26 Mar 2021 13:44:56 +0000 (UTC) Message-Id: <85b1dc6339351cbc46d179e8fdb9dfc398e58303.1616765870.git.christophe.leroy@csgroup.eu> In-Reply-To: References: From: Christophe Leroy Subject: [PATCH v3 09/17] nios2: Convert to GENERIC_CMDLINE To: will@kernel.org, danielwa@cisco.com, robh@kernel.org, daniel@gimpelevich.san-francisco.ca.us Cc: linux-arch@vger.kernel.org, devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org, microblaze , linux-mips@vger.kernel.org, nios2 , openrisc@lists.librecores.org, linux-hexagon@vger.kernel.org, linux-riscv@lists.infradead.org, x86@kernel.org, linux-xtensa@linux-xtensa.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org Date: Fri, 26 Mar 2021 13:44:56 +0000 (UTC) Precedence: bulk List-ID: X-Mailing-List: sparclinux@vger.kernel.org This converts the architecture to GENERIC_CMDLINE. Signed-off-by: Christophe Leroy --- arch/nios2/Kconfig | 24 +----------------------- arch/nios2/kernel/setup.c | 13 ++++--------- 2 files changed, 5 insertions(+), 32 deletions(-) diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig index c24955c81c92..f66c97b15813 100644 --- a/arch/nios2/Kconfig +++ b/arch/nios2/Kconfig @@ -90,31 +90,9 @@ config NIOS2_ALIGNMENT_TRAP comment "Boot options" -config CMDLINE_BOOL - bool "Default bootloader kernel arguments" - default y - -config CMDLINE - string "Default kernel command string" - default "" - depends on CMDLINE_BOOL - help - On some platforms, there is currently no way for the boot loader to - pass arguments to the kernel. For these platforms, you can supply - some command-line options at build time by entering them here. In - other cases you can specify kernel args so that you don't have - to set them up in board prom initialization routines. - -config CMDLINE_FORCE - bool "Force default kernel command string" - depends on CMDLINE_BOOL - help - Set this to have arguments from the default kernel command string - override those passed by the boot loader. - config NIOS2_CMDLINE_IGNORE_DTB bool "Ignore kernel command string from DTB" - depends on CMDLINE_BOOL + depends on CMDLINE != "" depends on !CMDLINE_FORCE default y help diff --git a/arch/nios2/kernel/setup.c b/arch/nios2/kernel/setup.c index d2f21957e99c..42464f457a6d 100644 --- a/arch/nios2/kernel/setup.c +++ b/arch/nios2/kernel/setup.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include @@ -108,7 +109,7 @@ asmlinkage void __init nios2_boot_init(unsigned r4, unsigned r5, unsigned r6, unsigned r7) { unsigned dtb_passed = 0; - char cmdline_passed[COMMAND_LINE_SIZE] __maybe_unused = { 0, }; + char cmdline_passed[COMMAND_LINE_SIZE] = { 0, }; #if defined(CONFIG_NIOS2_PASS_CMDLINE) if (r4 == 0x534f494e) { /* r4 is magic NIOS */ @@ -127,14 +128,8 @@ asmlinkage void __init nios2_boot_init(unsigned r4, unsigned r5, unsigned r6, early_init_devtree((void *)dtb_passed); -#ifndef CONFIG_CMDLINE_FORCE - if (cmdline_passed[0]) - strlcpy(boot_command_line, cmdline_passed, COMMAND_LINE_SIZE); -#ifdef CONFIG_NIOS2_CMDLINE_IGNORE_DTB - else - strlcpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE); -#endif -#endif + if (cmdline_passed[0] || IS_ENABLED(CONFIG_NIOS2_CMDLINE_IGNORE_DTB)) + cmdline_build(boot_command_line, cmdline_passed, COMMAND_LINE_SIZE); parse_early_param(); }