From patchwork Wed Nov 27 19:54:13 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 3249681 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 65BDBC045B for ; Wed, 27 Nov 2013 19:53:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9E2B7205E6 for ; Wed, 27 Nov 2013 19:53:44 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id CBFF3205BA for ; Wed, 27 Nov 2013 19:53:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A0492FB9E8; Wed, 27 Nov 2013 11:53:42 -0800 (PST) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail-ea0-f175.google.com (mail-ea0-f175.google.com [209.85.215.175]) by gabe.freedesktop.org (Postfix) with ESMTP id D1B09FAFB1 for ; Wed, 27 Nov 2013 11:53:35 -0800 (PST) Received: by mail-ea0-f175.google.com with SMTP id z10so5028026ead.6 for ; Wed, 27 Nov 2013 11:53:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=iGYTLrOiivUzM4q3ik/ezlJ7/EkHGHyedL6Vk439f5c=; b=kod1Ob/CV+FqsbURzoWst+tWREYL3f/tHqaLTNXeEu86VbTdPGCTY5H5Pwc3rfCCVZ KkUKaGEDajOsQe/KeOp+eOn6ZW1tz2esxUpiU2dUqrD0mUCOYKaIZpQEEoKFzpmvAX9O h7X3pBZsrnj+93n/eXW3N6I/C7viqC5VTqK/E= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=iGYTLrOiivUzM4q3ik/ezlJ7/EkHGHyedL6Vk439f5c=; b=QyNwK2n4MfmNpAq2P/VJfAPJB/4EmRy4Yq8q7v32Sxa6snvRZGOe9lPK8fokkEXrQU b4VuVFEq/dU0CunwZ/7j7xt4I4X8z/gxtyxwKREnCsBm5SvO75uyVzqNV3zz1yglI/fm N6faMgVxqMQOOYgjn30XWldOUl2UWgUuzZXuSm9+kKdNB1ygEXrLdyemAVqnRka7/iq5 t8N/flqb0PhGvMaTLZFkJcQj1WgKE0M2Oq6AoLLp3fV1S4tWugs50WYT/qqZTldjUGuh ZguQfYMowbzg1nyiuQHJQYTBrEPTDfgdKOL4ZpBvGJiV14dBA7ABmzZ+CfWRzTlWbGKq bTCA== X-Gm-Message-State: ALoCoQlOIaEvmzJlV7RGUIel74GJ04yqstL9xTzCa7gFdI9UFVim4gklet+EcfnheOB35jMcZcYd X-Received: by 10.14.201.67 with SMTP id a43mr566746eeo.123.1385582015187; Wed, 27 Nov 2013 11:53:35 -0800 (PST) Received: from phenom.ffwll.local (178-83-130-250.dynamic.hispeed.ch. [178.83.130.250]) by mx.google.com with ESMTPSA id w6sm22727092eeo.12.2013.11.27.11.53.33 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 27 Nov 2013 11:53:34 -0800 (PST) From: Daniel Vetter To: Intel Graphics Development Date: Wed, 27 Nov 2013 20:54:13 +0100 Message-Id: <1385582053-19227-2-git-send-email-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 1.8.4.3 In-Reply-To: <1385582053-19227-1-git-send-email-daniel.vetter@ffwll.ch> References: <1385582053-19227-1-git-send-email-daniel.vetter@ffwll.ch> Cc: Deepak S , Daniel Vetter Subject: [Intel-gfx] [PATCH 2/2] drm/i915: make sparse happy for the new vlv mmio read function X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP It doesn't like that we assign 0 to a pointer, it wants the real NULL. On closer look that initialization is actually bogus, and the compiler can easily see that we never use it unitialized. So let's just drop this. Cc: Deepak S Cc: Jesse Barnes Reported-by: kbuild test robot Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_uncore.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index a7c6de7d6240..d511e00095ac 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -479,7 +479,7 @@ gen6_read##x(struct drm_i915_private *dev_priv, off_t reg, bool trace) { \ static u##x \ vlv_read##x(struct drm_i915_private *dev_priv, off_t reg, bool trace) { \ unsigned fwengine = 0; \ - unsigned *fwcount = 0; \ + unsigned *fwcount; \ REG_READ_HEADER(x); \ if (FORCEWAKE_VLV_RENDER_RANGE_OFFSET(reg)) { \ fwengine = FORCEWAKE_RENDER; \