From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Brezillon Subject: [PATCH v4 06/21] rockchip/vpu: Do not request id 0 for our video device Date: Thu, 25 Apr 2019 09:12:27 +0200 Message-ID: <20190425071242.18315-7-boris.brezillon@collabora.com> References: <20190425071242.18315-1-boris.brezillon@collabora.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190425071242.18315-1-boris.brezillon-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+glpar-linux-rockchip=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Mauro Carvalho Chehab , Hans Verkuil , Laurent Pinchart , Sakari Ailus , linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Tomasz Figa , Heiko Stuebner , Jonas Karlman , Nicolas Dufresne , Paul Kocialkowski , linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Boris Brezillon , kernel-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org, Ezequiel Garcia List-Id: linux-rockchip.vger.kernel.org From: Jonas Karlman Pass -1 to video_register_device() to let the core assign the first free id instead of trying to get id 0. In practice it doesn't make a difference since video_register_device() is not strict about id requests and will anyway pick the first free id starting at the id passed in argument, and passing -1 has the same effect as passing 0. But let's comply with the API doc and pass -1 here. Signed-off-by: Jonas Karlman Signed-off-by: Boris Brezillon --- Changes from v3: * New patch --- drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c b/drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c index b68c4fc2967c..baed9e205320 100644 --- a/drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c +++ b/drivers/staging/media/rockchip/vpu/rockchip_vpu_drv.c @@ -348,7 +348,7 @@ static int rockchip_vpu_video_device_register(struct rockchip_vpu_dev *vpu) vpu->vfd_enc = vfd; video_set_drvdata(vfd, vpu); - ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0); + ret = video_register_device(vfd, VFL_TYPE_GRABBER, -1); if (ret) { v4l2_err(&vpu->v4l2_dev, "Failed to register video device\n"); goto err_free_dev; -- 2.20.1