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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07A1CC433F5 for ; Fri, 12 Nov 2021 14:16:52 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C962861027 for ; Fri, 12 Nov 2021 14:16:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org C962861027 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EB40C6EA5B; Fri, 12 Nov 2021 14:16:34 +0000 (UTC) Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8C2A46E492 for ; Fri, 12 Nov 2021 14:16:33 +0000 (UTC) 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-out2.suse.de (Postfix) with ESMTPS id B636B1FD66; Fri, 12 Nov 2021 14:16:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1636726591; 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=YoR6MvPkC61AUyttkMy5Vw19Py+e2an9TJaCWcX7h0A=; b=eHFm7Vh3beIToLtWjPxafzJMe1FSz7z6d0j64GjKCdXRBJr+1Kyud0bhN4gPsCeu1RcGEU d0Y1nEJJwplUaSsGXd3pIY+sGg/oXP9VUGg8jc6VuzwA5erW7HuAbPGdGFKxb4R+uHRe3d rCaUs357BSaPuwYB+GNSaoZwXJZDElI= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1636726591; 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=YoR6MvPkC61AUyttkMy5Vw19Py+e2an9TJaCWcX7h0A=; b=qjS/4HlJwul82lE4XKfGhse+2a4uhG9otCx1i4oQump0q8st5v8gbhU2NRdBMnzpOUpKU+ h7lKi+jZW57twZBA== 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 731C813DB2; Fri, 12 Nov 2021 14:16:31 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id kBomGz93jmHhPAAAMHmgww (envelope-from ); Fri, 12 Nov 2021 14:16:31 +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 Subject: [PATCH 5/7] agp/nvidia: Ignore value returned by readl() Date: Fri, 12 Nov 2021 15:16:26 +0100 Message-Id: <20211112141628.12904-6-tzimmermann@suse.de> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211112141628.12904-1-tzimmermann@suse.de> References: <20211112141628.12904-1-tzimmermann@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Zimmermann , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 removing the unused variable. The affected readl() is only required for flushing caches, but the returned value is not of interest. Signed-off-by: Thomas Zimmermann --- drivers/char/agp/nvidia-agp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c index f78e756157db..437b3581cbe5 100644 --- a/drivers/char/agp/nvidia-agp.c +++ b/drivers/char/agp/nvidia-agp.c @@ -261,7 +261,7 @@ 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; int i; /* flush chipset */ @@ -283,9 +283,9 @@ static void nvidia_tlbflush(struct agp_memory *mem) /* flush TLB entries */ for (i = 0; i < 32 + 1; i++) - temp = readl(nvidia_private.aperture+(i * PAGE_SIZE / sizeof(u32))); + (void)readl(nvidia_private.aperture+(i * PAGE_SIZE / sizeof(u32))); for (i = 0; i < 32 + 1; i++) - temp = readl(nvidia_private.aperture+(i * PAGE_SIZE / sizeof(u32))); + (void)readl(nvidia_private.aperture+(i * PAGE_SIZE / sizeof(u32))); } -- 2.33.1