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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 A43D9C76188 for ; Fri, 19 Jul 2019 04:37:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 71E64206DD for ; Fri, 19 Jul 2019 04:37:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563511058; bh=NFNOPqgRupv5wuwZdzjSPWTtOvTz7dM27LOeXW3PWjc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=tANu9tuzo8x9rie7mhMpijHo9gG+LyktCAVKoQWp7QOFmufambrkgLRz38stLUrNX exGDneC2Mfl7Qk/QmR3cYck8rAHmS205xqIjabIHFCHC5PugEtfwXmanMAlhT2XIEQ K0SFPvCLj6b23JvhCST6bE495MWWotRwUsx7tJZw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729533AbfGSEhh (ORCPT ); Fri, 19 Jul 2019 00:37:37 -0400 Received: from mail.kernel.org ([198.145.29.99]:59672 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728936AbfGSD7z (ORCPT ); Thu, 18 Jul 2019 23:59:55 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 39E8C21851; Fri, 19 Jul 2019 03:59:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563508793; bh=NFNOPqgRupv5wuwZdzjSPWTtOvTz7dM27LOeXW3PWjc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vZnO7a1YobK7uECS1q0omEchaRTcv9z02YCKv/dUw4YnDRgODIJZnyVsMlfRKRnKc oEP+tSlj3xiwkO0xQyC0sC74b7F6m70q2g+V5MoV91sg1v1/fr3loNLfxB/8UFbAAZ M6am83UH5RVFezCLRYnh49oh+a5+EOC24f6mWA2M= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Qian Cai , Michael Ellerman , Sasha Levin , linuxppc-dev@lists.ozlabs.org Subject: [PATCH AUTOSEL 5.2 092/171] powerpc/cacheflush: fix variable set but not used Date: Thu, 18 Jul 2019 23:55:23 -0400 Message-Id: <20190719035643.14300-92-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190719035643.14300-1-sashal@kernel.org> References: <20190719035643.14300-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Qian Cai [ Upstream commit 04db3ede40ae4fc23a5c4237254c4a53bbe4c1f2 ] The powerpc's flush_cache_vmap() is defined as a macro and never use both of its arguments, so it will generate a compilation warning, lib/ioremap.c: In function 'ioremap_page_range': lib/ioremap.c:203:16: warning: variable 'start' set but not used [-Wunused-but-set-variable] Fix it by making it an inline function. Signed-off-by: Qian Cai Signed-off-by: Michael Ellerman Signed-off-by: Sasha Levin --- arch/powerpc/include/asm/cacheflush.h | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h index 74d60cfe8ce5..fd318f7c3eed 100644 --- a/arch/powerpc/include/asm/cacheflush.h +++ b/arch/powerpc/include/asm/cacheflush.h @@ -29,9 +29,12 @@ * not expect this type of fault. flush_cache_vmap is not exactly the right * place to put this, but it seems to work well enough. */ -#define flush_cache_vmap(start, end) do { asm volatile("ptesync" ::: "memory"); } while (0) +static inline void flush_cache_vmap(unsigned long start, unsigned long end) +{ + asm volatile("ptesync" ::: "memory"); +} #else -#define flush_cache_vmap(start, end) do { } while (0) +static inline void flush_cache_vmap(unsigned long start, unsigned long end) { } #endif #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 -- 2.20.1