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 2BE47C433FF for ; Mon, 29 Jul 2019 19:41:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E761B21773 for ; Mon, 29 Jul 2019 19:41:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564429278; bh=tzF3dBTTCnPCPooP6vi1/rbCELf+dBO/NrCJBH4Whj8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=dT9Q3xc4Y6JlJR5kgrVMT7E+HUAt0L6fM1iKIw4Ysu97p1MgGwXEhojB8/48/GBro Lm3msWEKEH/fZI6PYQX/twnfcy5v5oWGC4w82sG15i0MUi0yUdXbU5rfvvJLBmjhpQ 9MpSTnPD+/ie8F4DvBBV5g7LJEeCDZXeQIOPvRiM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389347AbfG2TlQ (ORCPT ); Mon, 29 Jul 2019 15:41:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:56586 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389301AbfG2TlJ (ORCPT ); Mon, 29 Jul 2019 15:41:09 -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 57CCD2054F; Mon, 29 Jul 2019 19:41:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564429268; bh=tzF3dBTTCnPCPooP6vi1/rbCELf+dBO/NrCJBH4Whj8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jBXvxnCGEDbdR5eqJrO+qqUJk05tuMU3q5cdptPK/pHLzVVrxrNG+vjaAjuwALBuC QsTlXTj0E4zlS384L2JOPH1+ZyZsigwEZ2VRCiRu0eU2oEJ6m9iPXA+l3bRAg8bqLv WqSrzdUVAJKprefk5TfVFD2mx4A1KJ22ziocePl8= 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 4.19 045/113] powerpc/cacheflush: fix variable set but not used Date: Mon, 29 Jul 2019 21:22:12 +0200 Message-Id: <20190729190706.452249457@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190729190655.455345569@linuxfoundation.org> References: <20190729190655.455345569@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 d5a8d7bf0759..b189f7aee222 100644 --- a/arch/powerpc/include/asm/cacheflush.h +++ b/arch/powerpc/include/asm/cacheflush.h @@ -32,9 +32,12 @@ * 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