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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 BC33FC433FF for ; Mon, 29 Jul 2019 19:49:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8B5B52171F for ; Mon, 29 Jul 2019 19:49:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564429773; bh=UKG81nHbOs5b5H96t8JY12N6peRn2i/jtp95vtWKP2U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Mw2EJ8HOZlAjPchyFM/nGRkCXWi3+HKnG5gA2OQoXDUK9Gw5VdS7hSxt2sizOBzE3 B0vx4Trc1xFV77cf4FDObJ5HRmYJGYZaxnAq4j4N/8Fj5O1iaysXjQgkgJGyNIVEDp jhAd84KgGu40IlboCDgOcIC9jvGNXkBunogHdztA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390104AbfG2Tta (ORCPT ); Mon, 29 Jul 2019 15:49:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:40000 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390324AbfG2Tt3 (ORCPT ); Mon, 29 Jul 2019 15:49:29 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 992E621655; Mon, 29 Jul 2019 19:49:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564429768; bh=UKG81nHbOs5b5H96t8JY12N6peRn2i/jtp95vtWKP2U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iLt/LC/qKkQrjAm8pUw4Hl3qksKN8zyR7oiR7z1fLTwNSUg4XzmOS0OWItllFxy93 iqUZtQBSSgNod1s2ovk7k0mdDzDVwITszZYmfQh4kwOL/mDemqgC2jTgUvCUh2MYpE Ft/YE2AYm71wvd18IB4oPLujOOh9TQ0j5EQ1BViw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Qian Cai , Michael Ellerman , Sasha Levin Subject: [PATCH 5.2 090/215] powerpc/cacheflush: fix variable set but not used Date: Mon, 29 Jul 2019 21:21:26 +0200 Message-Id: <20190729190754.981741824@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190729190739.971253303@linuxfoundation.org> References: <20190729190739.971253303@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org [ 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