From patchwork Thu Dec 17 08:39:47 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 7870381 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: X-Original-To: patchwork-linux-sh@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 6911CBEEE5 for ; Thu, 17 Dec 2015 08:40:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 82524202EC for ; Thu, 17 Dec 2015 08:40:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 51E55203F7 for ; Thu, 17 Dec 2015 08:40:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754744AbbLQIku (ORCPT ); Thu, 17 Dec 2015 03:40:50 -0500 Received: from galahad.ideasonboard.com ([185.26.127.97]:44652 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933227AbbLQIks (ORCPT ); Thu, 17 Dec 2015 03:40:48 -0500 Received: from avalon.ideasonboard.com (unknown [207.140.26.138]) by galahad.ideasonboard.com (Postfix) with ESMTPSA id 10CE020398; Thu, 17 Dec 2015 09:40:44 +0100 (CET) From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: linux-sh@vger.kernel.org Subject: [PATCH/RFC 09/48] v4l: vsp1: Don't setup control handler when starting streaming Date: Thu, 17 Dec 2015 10:39:47 +0200 Message-Id: <1450341626-6695-10-git-send-email-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.4.10 In-Reply-To: <1450341626-6695-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> References: <1450341626-6695-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_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 control handler set operations don't program the hardware anymore, there's thus no need to call them when starting the stream. Signed-off-by: Laurent Pinchart --- drivers/media/platform/vsp1/vsp1_bru.c | 5 +---- drivers/media/platform/vsp1/vsp1_entity.c | 18 +----------------- drivers/media/platform/vsp1/vsp1_entity.h | 2 +- drivers/media/platform/vsp1/vsp1_rpf.c | 5 +---- drivers/media/platform/vsp1/vsp1_sru.c | 5 +---- drivers/media/platform/vsp1/vsp1_wpf.c | 5 +---- 6 files changed, 6 insertions(+), 34 deletions(-) diff --git a/drivers/media/platform/vsp1/vsp1_bru.c b/drivers/media/platform/vsp1/vsp1_bru.c index 4c1bd0419e12..27a9043b11e2 100644 --- a/drivers/media/platform/vsp1/vsp1_bru.c +++ b/drivers/media/platform/vsp1/vsp1_bru.c @@ -66,11 +66,8 @@ static int bru_s_stream(struct v4l2_subdev *subdev, int enable) struct v4l2_mbus_framefmt *format; unsigned int flags; unsigned int i; - int ret; - ret = vsp1_entity_set_streaming(&bru->entity, enable); - if (ret < 0) - return ret; + vsp1_entity_set_streaming(&bru->entity, enable); if (!enable) return 0; diff --git a/drivers/media/platform/vsp1/vsp1_entity.c b/drivers/media/platform/vsp1/vsp1_entity.c index c005d374c254..a366cb64ae9d 100644 --- a/drivers/media/platform/vsp1/vsp1_entity.c +++ b/drivers/media/platform/vsp1/vsp1_entity.c @@ -45,29 +45,13 @@ bool vsp1_entity_is_streaming(struct vsp1_entity *entity) return streaming; } -int vsp1_entity_set_streaming(struct vsp1_entity *entity, bool streaming) +void vsp1_entity_set_streaming(struct vsp1_entity *entity, bool streaming) { unsigned long flags; - int ret; spin_lock_irqsave(&entity->lock, flags); entity->streaming = streaming; spin_unlock_irqrestore(&entity->lock, flags); - - if (!streaming) - return 0; - - if (!entity->vsp1->info->uapi || !entity->subdev.ctrl_handler) - return 0; - - ret = v4l2_ctrl_handler_setup(entity->subdev.ctrl_handler); - if (ret < 0) { - spin_lock_irqsave(&entity->lock, flags); - entity->streaming = false; - spin_unlock_irqrestore(&entity->lock, flags); - } - - return ret; } void vsp1_entity_route_setup(struct vsp1_entity *source) diff --git a/drivers/media/platform/vsp1/vsp1_entity.h b/drivers/media/platform/vsp1/vsp1_entity.h index 259880e524fe..c0d6db82ebfb 100644 --- a/drivers/media/platform/vsp1/vsp1_entity.h +++ b/drivers/media/platform/vsp1/vsp1_entity.h @@ -101,7 +101,7 @@ void vsp1_entity_init_formats(struct v4l2_subdev *subdev, struct v4l2_subdev_pad_config *cfg); bool vsp1_entity_is_streaming(struct vsp1_entity *entity); -int vsp1_entity_set_streaming(struct vsp1_entity *entity, bool streaming); +void vsp1_entity_set_streaming(struct vsp1_entity *entity, bool streaming); void vsp1_entity_route_setup(struct vsp1_entity *source); diff --git a/drivers/media/platform/vsp1/vsp1_rpf.c b/drivers/media/platform/vsp1/vsp1_rpf.c index 9ccfb572b4a5..48870b257a81 100644 --- a/drivers/media/platform/vsp1/vsp1_rpf.c +++ b/drivers/media/platform/vsp1/vsp1_rpf.c @@ -45,11 +45,8 @@ static int rpf_s_stream(struct v4l2_subdev *subdev, int enable) const struct v4l2_rect *crop = &rpf->crop; u32 pstride; u32 infmt; - int ret; - ret = vsp1_entity_set_streaming(&rpf->entity, enable); - if (ret < 0) - return ret; + vsp1_entity_set_streaming(&rpf->entity, enable); if (!enable) return 0; diff --git a/drivers/media/platform/vsp1/vsp1_sru.c b/drivers/media/platform/vsp1/vsp1_sru.c index ec4741efc7f8..15fc562a52da 100644 --- a/drivers/media/platform/vsp1/vsp1_sru.c +++ b/drivers/media/platform/vsp1/vsp1_sru.c @@ -113,11 +113,8 @@ static int sru_s_stream(struct v4l2_subdev *subdev, int enable) struct v4l2_mbus_framefmt *input; struct v4l2_mbus_framefmt *output; u32 ctrl0; - int ret; - ret = vsp1_entity_set_streaming(&sru->entity, enable); - if (ret < 0) - return ret; + vsp1_entity_set_streaming(&sru->entity, enable); if (!enable) return 0; diff --git a/drivers/media/platform/vsp1/vsp1_wpf.c b/drivers/media/platform/vsp1/vsp1_wpf.c index 2135cca2490e..d68c90d45232 100644 --- a/drivers/media/platform/vsp1/vsp1_wpf.c +++ b/drivers/media/platform/vsp1/vsp1_wpf.c @@ -46,11 +46,8 @@ static int wpf_s_stream(struct v4l2_subdev *subdev, int enable) unsigned int i; u32 srcrpf = 0; u32 outfmt = 0; - int ret; - ret = vsp1_entity_set_streaming(&wpf->entity, enable); - if (ret < 0) - return ret; + vsp1_entity_set_streaming(&wpf->entity, enable); if (!enable) { vsp1_write(vsp1, VI6_WPF_IRQ_ENB(wpf->entity.index), 0);