From patchwork Tue May 3 20:27:16 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Martinez Canillas X-Patchwork-Id: 9008131 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 71436BF29F for ; Tue, 3 May 2016 20:30:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A5AB62037C for ; Tue, 3 May 2016 20:30:02 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D56142035D for ; Tue, 3 May 2016 20:30:01 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1axgvo-00058F-PA; Tue, 03 May 2016 20:28:32 +0000 Received: from lists.s-osg.org ([54.187.51.154]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1axgvm-00056N-HM for linux-arm-kernel@lists.infradead.org; Tue, 03 May 2016 20:28:31 +0000 Received: from minerva.sisa.samsung.com (host-199.58.217.201.copaco.com.py [201.217.58.199]) by lists.s-osg.org (Postfix) with ESMTPSA id 17A90E28A8; Tue, 3 May 2016 13:28:19 -0700 (PDT) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Subject: [PATCH 1/3] [media] s5p-mfc: Set device name for reserved memory region devs Date: Tue, 3 May 2016 16:27:16 -0400 Message-Id: <1462307238-21815-2-git-send-email-javier@osg.samsung.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1462307238-21815-1-git-send-email-javier@osg.samsung.com> References: <1462307238-21815-1-git-send-email-javier@osg.samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160503_132830_622974_8A6DEF52 X-CRM114-Status: UNSURE ( 8.07 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Krzysztof Kozlowski , Mauro Carvalho Chehab , Kamil Debski , stable@vger.kernel.org, Javier Martinez Canillas , Kyungmin Park , linux-media@vger.kernel.org, Jeongtae Park , linux-arm-kernel@lists.infradead.org, Marek Szyprowski MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, 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 The devices don't have a name set, so makes dev_name() returns NULL which makes harder to identify the devices that are causing issues, for example: WARNING: CPU: 2 PID: 616 at drivers/base/core.c:251 device_release+0x8c/0x90 Device '(null)' does not have a release() function, it is broken and must be fixed. And after setting the device name: WARNING: CPU: 0 PID: 591 at drivers/base/core.c:251 device_release+0x8c/0x90 Device 's5p-mfc-l' does not have a release() function, it is broken and must be fixed. Cc: Fixes: 6e83e6e25eb4 ("[media] s5p-mfc: Fix kernel warning on memory init") Signed-off-by: Javier Martinez Canillas --- drivers/media/platform/s5p-mfc/s5p_mfc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index b16466fe35ee..8fc1fd4ee2ed 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -1062,6 +1062,8 @@ static int s5p_mfc_alloc_memdevs(struct s5p_mfc_dev *dev) mfc_err("Not enough memory\n"); return -ENOMEM; } + + dev_set_name(dev->mem_dev_l, "%s", "s5p-mfc-l"); device_initialize(dev->mem_dev_l); of_property_read_u32_array(dev->plat_dev->dev.of_node, "samsung,mfc-l", mem_info, 2); @@ -1079,6 +1081,8 @@ static int s5p_mfc_alloc_memdevs(struct s5p_mfc_dev *dev) mfc_err("Not enough memory\n"); return -ENOMEM; } + + dev_set_name(dev->mem_dev_r, "%s", "s5p-mfc-r"); device_initialize(dev->mem_dev_r); of_property_read_u32_array(dev->plat_dev->dev.of_node, "samsung,mfc-r", mem_info, 2);