From patchwork Tue May 16 15:46:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 13243316 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 B9B84C77B7A for ; Tue, 16 May 2023 15:48:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234283AbjEPPsV (ORCPT ); Tue, 16 May 2023 11:48:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41690 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234205AbjEPPsC (ORCPT ); Tue, 16 May 2023 11:48:02 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 81A84A24D; Tue, 16 May 2023 08:47:37 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id BDB6663B93; Tue, 16 May 2023 15:47:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0070AC433A1; Tue, 16 May 2023 15:47:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684252035; bh=bjHzaX1S/XmMHS+pzx/BBsDEPRhhS8ndqsq/8qSoq9A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f2bOGMmanyE84V2/AE41WTMs80qf9pTZsHsD9F+/Ran0Loq1XnTWD9T1Xe/lEKv2Y 26KXijopJ1VoF2HSPy2rDYc4XU/QPS+Zund7IVhGRxHNHw9vNTL86eH4s8XWVe+esJ GHxnqexAf5xknWy4Yonsml33IdsEstRyKq9sdNqaIejoDb1g5MSmONOYCsanOthNKJ D+QslLecnNSqmq1ph9lvme/E4S0LiZmiQg9qzXyrdadHTL+NCJjLLu6zxCWjXyvqVt 4V5sahVD0mThIJeYsb2Qctrjw2FfeAYZ7OWb+ewqVNJiWbDv2ZF8YlLIH2bOXWAWg3 rAlpSAzcEWEKg== From: Arnd Bergmann To: Russell King Cc: Arnd Bergmann , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Oleg Nesterov , "Rafael J. Wysocki" , Pavel Machek , Linus Walleij , Ard Biesheuvel , Kees Cook , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-pm@vger.kernel.org Subject: [PATCH 16/16] ARM: xip-kernel: add __inflate_kernel_data prototype Date: Tue, 16 May 2023 17:46:05 +0200 Message-Id: <20230516154605.517690-17-arnd@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230516154605.517690-1-arnd@kernel.org> References: <20230516154605.517690-1-arnd@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org From: Arnd Bergmann The kernel .data decompression is called from assembler, so it does not need a prototype, but adding one avoids this W=1 warning: arch/arm/kernel/head-inflate-data.c:35:12: error: no previous prototype for '__inflate_kernel_data' [-Werror=missing-prototypes] The same file contains a few extern declarations for assembler symbols, move those into the header as well for consistency. Signed-off-by: Arnd Bergmann --- arch/arm/kernel/head-inflate-data.c | 5 +---- arch/arm/kernel/head.h | 8 ++++++++ 2 files changed, 9 insertions(+), 4 deletions(-) create mode 100644 arch/arm/kernel/head.h diff --git a/arch/arm/kernel/head-inflate-data.c b/arch/arm/kernel/head-inflate-data.c index 89a52104d32a..225c0699a12c 100644 --- a/arch/arm/kernel/head-inflate-data.c +++ b/arch/arm/kernel/head-inflate-data.c @@ -8,16 +8,13 @@ #include #include +#include "head.h" /* for struct inflate_state */ #include "../../../lib/zlib_inflate/inftrees.h" #include "../../../lib/zlib_inflate/inflate.h" #include "../../../lib/zlib_inflate/infutil.h" -extern char __data_loc[]; -extern char _edata_loc[]; -extern char _sdata[]; - /* * This code is called very early during the boot process to decompress * the .data segment stored compressed in ROM. Therefore none of the global diff --git a/arch/arm/kernel/head.h b/arch/arm/kernel/head.h new file mode 100644 index 000000000000..6eccf98fc2cc --- /dev/null +++ b/arch/arm/kernel/head.h @@ -0,0 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only + +extern char __data_loc[]; +extern char _edata_loc[]; +extern char _sdata[]; + +int __init __inflate_kernel_data(void); +