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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BCB81C4332F for ; Wed, 1 Dec 2021 11:47:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349102AbhLALuY (ORCPT ); Wed, 1 Dec 2021 06:50:24 -0500 Received: from smtp-out1.suse.de ([195.135.220.28]:41900 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242955AbhLALuJ (ORCPT ); Wed, 1 Dec 2021 06:50:09 -0500 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 6532F2171F; Wed, 1 Dec 2021 11:46:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1638359208; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=j9JpfCXR5KZxj1UdTwkV9fSt2oVs5kvOrWGLkS5s63o=; b=qMRyYQ/PYLg6YNcERExTu2b/nf2HoTVSSPmlQRbR949wuAJEAv75sSGgp7yFyzvUDADemE 9+3hhHFtsP6kYuRvV8vLwK427n2LlyGyOtce4GcKjuDex5jj2Ko/kjPK4p+ryuB9nmgFwU XP5IzBiwI4G7cawqxKrlNauzu0RS+eI= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1638359208; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=j9JpfCXR5KZxj1UdTwkV9fSt2oVs5kvOrWGLkS5s63o=; b=aWNJK0APRtVR5HZQkQ9cZORGK6DNjrle1bOuzdHzb0/D2lHJeQfbUdDYU4bJKi0ZBcc7Mg 9OafW45DHNd1TiCA== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 2F9B013FF6; Wed, 1 Dec 2021 11:46:48 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id WCKoCqhgp2HbDgAAMHmgww (envelope-from ); Wed, 01 Dec 2021 11:46:48 +0000 From: Thomas Zimmermann To: airlied@linux.ie, daniel.vetter@ffwll.ch, arnd@arndb.de, gregkh@linuxfoundation.org, James.Bottomley@HansenPartnership.com, deller@gmx.de Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Thomas Zimmermann Subject: [PATCH v2 5/7] agp/nvidia: Declare value returned by readl() as unused Date: Wed, 1 Dec 2021 12:46:43 +0100 Message-Id: <20211201114645.15384-6-tzimmermann@suse.de> X-Mailer: git-send-email 2.34.0 In-Reply-To: <20211201114645.15384-1-tzimmermann@suse.de> References: <20211201114645.15384-1-tzimmermann@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix the compiler warning drivers/char/agp/nvidia-agp.c: In function 'nvidia_tlbflush': drivers/char/agp/nvidia-agp.c:264:22: warning: variable 'temp' set but not used [-Wunused-but-set-variable] 264 | u32 wbc_reg, temp; by marking the temp variable with __maybe_unused. The affected readl() is only required for flushing caches, but the returned value is not of interest. v2: * declare temp as __maybe_unused (Helge) Signed-off-by: Thomas Zimmermann --- drivers/char/agp/nvidia-agp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c index f78e756157db..826dbd06f6bb 100644 --- a/drivers/char/agp/nvidia-agp.c +++ b/drivers/char/agp/nvidia-agp.c @@ -261,7 +261,8 @@ static int nvidia_remove_memory(struct agp_memory *mem, off_t pg_start, int type static void nvidia_tlbflush(struct agp_memory *mem) { unsigned long end; - u32 wbc_reg, temp; + u32 wbc_reg; + u32 __maybe_unused temp; int i; /* flush chipset */ -- 2.34.0