From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeffrey Hugo <jhugo@codeaurora.org>
Subject: Re: [PATCH] drm/msm/dsi: add protection against NULL dsi device
Date: Wed, 29 May 2019 14:43:32 -0600
Message-ID: <5ae613db-092c-f93d-dd96-a79a4e1eff3a@codeaurora.org>
References: <1551922134-22518-1-git-send-email-abhinavk@codeaurora.org>
 <20190307215947.GG114153@art_vandelay>
 <cd4c2e25f2785bc09da77e715a3d6c30@codeaurora.org>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Received: from smtp.codeaurora.org (smtp.codeaurora.org [198.145.29.96])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 62C656E0D1
 for <dri-devel@lists.freedesktop.org>; Wed, 29 May 2019 20:43:37 +0000 (UTC)
In-Reply-To: <cd4c2e25f2785bc09da77e715a3d6c30@codeaurora.org>
Content-Language: en-US
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/dri-devel>
List-Post: <mailto:dri-devel@lists.freedesktop.org>
List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe>
Errors-To: dri-devel-bounces@lists.freedesktop.org
Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
To: Abhinav Kumar <abhinavk@codeaurora.org>, Sean Paul <sean@poorly.run>
Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, seanpaul@chromium.org, hoegsberg@google.com, chandanu@codeaurora.org
List-Id: dri-devel@lists.freedesktop.org
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