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=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 E8F20C3A5A8 for ; Wed, 4 Sep 2019 18:02:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C1C452339D for ; Wed, 4 Sep 2019 18:02:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567620152; bh=Ywm29xgR2yTj4RcVM92DdMlNq/nCgVyDWXEKNz9+NSI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=HKUUJyS1xMNQioJSrYH9A6ScuQMDesrrpkuJma1gpsl1nlYSLZEb5PbziQlweExmN efU9qN0Dy0SESUeJ0lRVkwgL3rShNMpxLBJF+V9i7AJAZ5XkDXNoeaoxabT6mROpOf fBVBN0Me/1gUaQbgxI55vtqPFRofNKWAGf9r4HsY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388762AbfIDSCc (ORCPT ); Wed, 4 Sep 2019 14:02:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:42524 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388750AbfIDSCb (ORCPT ); Wed, 4 Sep 2019 14:02:31 -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 2E4C223401; Wed, 4 Sep 2019 18:02:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567620150; bh=Ywm29xgR2yTj4RcVM92DdMlNq/nCgVyDWXEKNz9+NSI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nXQZvIySMxkGWz1FW5+XtT7iEtOu1M+eoWeUzZCc8pmHOgq25o5SRa5JNGWt/KlEy 3EyiJTbkIL8tp8J8RQeAeb6GJQZCXl6e8eli3yyEGWxmdrEUKQMmIvLV6spFnYzLv+ 0v1Pem2tDUY2shVK+lX5wF0jxvvSWmuhLHWKa6+E= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arnd Bergmann , Nathan Chancellor , Linus Walleij , Vinod Koul , Sasha Levin Subject: [PATCH 4.14 01/57] dmaengine: ste_dma40: fix unneeded variable warning Date: Wed, 4 Sep 2019 19:53:29 +0200 Message-Id: <20190904175302.158134911@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190904175301.777414715@linuxfoundation.org> References: <20190904175301.777414715@linuxfoundation.org> User-Agent: quilt/0.66 X-stable: review X-Patchwork-Hint: ignore 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 5d6fb560729a5d5554e23db8d00eb57cd0021083 ] clang-9 points out that there are two variables that depending on the configuration may only be used in an ARRAY_SIZE() expression but not referenced: drivers/dma/ste_dma40.c:145:12: error: variable 'd40_backup_regs' is not needed and will not be emitted [-Werror,-Wunneeded-internal-declaration] static u32 d40_backup_regs[] = { ^ drivers/dma/ste_dma40.c:214:12: error: variable 'd40_backup_regs_chan' is not needed and will not be emitted [-Werror,-Wunneeded-internal-declaration] static u32 d40_backup_regs_chan[] = { Mark these __maybe_unused to shut up the warning. Signed-off-by: Arnd Bergmann Reviewed-by: Nathan Chancellor Reviewed-by: Linus Walleij Link: https://lore.kernel.org/r/20190712091357.744515-1-arnd@arndb.de Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/ste_dma40.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index c2b089af04208..90feb6a05e59b 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -142,7 +142,7 @@ enum d40_events { * when the DMA hw is powered off. * TODO: Add save/restore of D40_DREG_GCC on dma40 v3 or later, if that works. */ -static u32 d40_backup_regs[] = { +static __maybe_unused u32 d40_backup_regs[] = { D40_DREG_LCPA, D40_DREG_LCLA, D40_DREG_PRMSE, @@ -211,7 +211,7 @@ static u32 d40_backup_regs_v4b[] = { #define BACKUP_REGS_SZ_V4B ARRAY_SIZE(d40_backup_regs_v4b) -static u32 d40_backup_regs_chan[] = { +static __maybe_unused u32 d40_backup_regs_chan[] = { D40_CHAN_REG_SSCFG, D40_CHAN_REG_SSELT, D40_CHAN_REG_SSPTR, -- 2.20.1