From patchwork Fri Aug 14 07:11:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xia Jiang X-Patchwork-Id: 11713701 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 43C70109B for ; Fri, 14 Aug 2020 07:15:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 29D782074D for ; Fri, 14 Aug 2020 07:15:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="QQzpRW4h" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726652AbgHNHNO (ORCPT ); Fri, 14 Aug 2020 03:13:14 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:30883 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726631AbgHNHNM (ORCPT ); Fri, 14 Aug 2020 03:13:12 -0400 X-UUID: 898099b2a58e451f8718aaa200a3904d-20200814 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=PfBIGUrIviYGr2ArAJzuIJhObrGxChLvMOqQoOCeIP0=; b=QQzpRW4hO6g/0l8ItjYKY4BLgrv5hi7Nlgo4z3qfazz5Em3MtEYZweJp5nsIcZW97tr30UIyAKF/7qqS5AyvjdT//zNXNhKVMgsW3okAeXnslfTnfqKWnN/xNrtsz75AxTjWh8t3UxxV0oema677f6Sx+wj1YVBSIcpvzRQSzZc=; X-UUID: 898099b2a58e451f8718aaa200a3904d-20200814 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 1095006358; Fri, 14 Aug 2020 15:13:09 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 14 Aug 2020 15:13:07 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 14 Aug 2020 15:13:06 +0800 From: Xia Jiang To: Hans Verkuil , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Rick Chang CC: , , , , , Marek Szyprowski , Tomasz Figa , , , , , , Xia Jiang Subject: [PATCH v12 04/29] media: platform: Change the fixed device node number to unfixed value Date: Fri, 14 Aug 2020 15:11:37 +0800 Message-ID: <20200814071202.25067-6-xia.jiang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200814071202.25067-1-xia.jiang@mediatek.com> References: <20200814071202.25067-1-xia.jiang@mediatek.com> MIME-Version: 1.0 X-MTK: N Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The driver can be instantiated multiple times, e.g. for a decoder and an encoder. Moreover, other drivers could coexist on the same system. This makes the static video node number assignment pointless, so switch to automatic assignment instead. Reviewed-by: Tomasz Figa Signed-off-by: Xia Jiang --- v12: no changes --- drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c index 2677580941b0..12609ca46fd9 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c @@ -1154,7 +1154,7 @@ static int mtk_jpeg_probe(struct platform_device *pdev) jpeg->dec_vdev->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M_MPLANE; - ret = video_register_device(jpeg->dec_vdev, VFL_TYPE_VIDEO, 3); + ret = video_register_device(jpeg->dec_vdev, VFL_TYPE_VIDEO, -1); if (ret) { v4l2_err(&jpeg->v4l2_dev, "Failed to register video device\n"); goto err_dec_vdev_register;