From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Subject: Re: [PATCH] [v2] drm/i915/pmu: avoid
 -Wmaybe-uninitialized warning
Date: Wed, 14 Mar 2018 07:43:11 +0000
Message-ID: <7821b457-0194-dcf5-aa3c-e6adbfc931fa@linux.intel.com>
References: <20180313161952.552083-1-arnd@arndb.de>
 <ce356e4a-31af-4bea-8e75-e484e663f19c@linux.intel.com>
 <CAK8P3a2U+cjWhw86WGsDoEm+iOEwrcqL9hZo0sLxqFMSS=qQww@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
In-Reply-To: <CAK8P3a2U+cjWhw86WGsDoEm+iOEwrcqL9hZo0sLxqFMSS=qQww@mail.gmail.com>
Content-Language: en-GB
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: David Airlie <airlied@linux.ie>, Intel Graphics <intel-gfx@lists.freedesktop.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, dri-devel <dri-devel@lists.freedesktop.org>, Rodrigo Vivi <rodrigo.vivi@intel.com>
List-Id: intel-gfx@lists.freedesktop.org
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