From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F3EE2ECE561 for ; Sun, 16 Sep 2018 04:38:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ABA832086B for ; Sun, 16 Sep 2018 04:38:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=agner.ch header.i=@agner.ch header.b="zrh4Hx9H" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ABA832086B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=agner.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727179AbeIPKAQ (ORCPT ); Sun, 16 Sep 2018 06:00:16 -0400 Received: from mail.kmu-office.ch ([178.209.48.109]:38480 "EHLO mail.kmu-office.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725739AbeIPKAP (ORCPT ); Sun, 16 Sep 2018 06:00:15 -0400 Received: from trochilidae.hsd1.wa.comcast.net (unknown [IPv6:2601:602:8700:fb00:81ae:bc59:4e6c:42ca]) by mail.kmu-office.ch (Postfix) with ESMTPSA id EFC6B5C2222; Sun, 16 Sep 2018 06:38:35 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=agner.ch; s=dkim; t=1537072718; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=lA4pWBiapQwb05oCOx8c7PAm+j6USrDO0AnRCDFKdjo=; b=zrh4Hx9Hr25DRjwB0zna5s84CAvsiwduWmtJ3iQRBg0nesurFQg2QIR/t3Olmw2/ZUcG5O dUHBabNBOPzMgvswxo9IrzdefgdVDSplb9dY1/9QaDswe4guMVhjTVDMzHIkoFlNwNMxPr ZMsjOzwfBi4G/GPHnxTinjTRAPCcxXY= From: Stefan Agner To: herbert@gondor.apana.org.au, davem@davemloft.net, ard.biesheuvel@linaro.org Cc: linux@armlinux.org.uk, linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stefan Agner Subject: [PATCH 2/2] crypto: arm/crc32 - avoid warning when compiling with Clang Date: Sat, 15 Sep 2018 21:38:25 -0700 Message-Id: <20180916043825.23247-2-stefan@agner.ch> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20180916043825.23247-1-stefan@agner.ch> References: <20180916043825.23247-1-stefan@agner.ch> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam: Yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The table id (second) argument to MODULE_DEVICE_TABLE is often referenced otherwise. This is not the case for CPU features. This leads to a warning when building the kernel with Clang: arch/arm/crypto/crc32-ce-glue.c:239:33: warning: variable 'crc32_cpu_feature' is not needed and will not be emitted [-Wunneeded-internal-declaration] static const struct cpu_feature crc32_cpu_feature[] = { ^ Avoid warnings by using __maybe_unused, similar to commit 1f318a8bafcf ("modules: mark __inittest/__exittest as __maybe_unused"). Fixes: 2a9faf8b7e43 ("crypto: arm/crc32 - enable module autoloading based on CPU feature bits") Signed-off-by: Stefan Agner --- arch/arm/crypto/crc32-ce-glue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/crypto/crc32-ce-glue.c b/arch/arm/crypto/crc32-ce-glue.c index 96e62ec105d0..cd9e93b46c2d 100644 --- a/arch/arm/crypto/crc32-ce-glue.c +++ b/arch/arm/crypto/crc32-ce-glue.c @@ -236,7 +236,7 @@ static void __exit crc32_pmull_mod_exit(void) ARRAY_SIZE(crc32_pmull_algs)); } -static const struct cpu_feature crc32_cpu_feature[] = { +static const struct cpu_feature __maybe_unused crc32_cpu_feature[] = { { cpu_feature(CRC32) }, { cpu_feature(PMULL) }, { } }; MODULE_DEVICE_TABLE(cpu, crc32_cpu_feature); -- 2.19.0