From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC5D0C6FD1F for ; Fri, 10 Mar 2023 15:20:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234176AbjCJPU0 (ORCPT ); Fri, 10 Mar 2023 10:20:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234296AbjCJPUF (ORCPT ); Fri, 10 Mar 2023 10:20:05 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1860412DC29 for ; Fri, 10 Mar 2023 07:10:42 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 453EA61A1D for ; Fri, 10 Mar 2023 15:09:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4A8AFC433EF; Fri, 10 Mar 2023 15:09:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678460994; bh=lYQDferW7nYDZgrU2rkCXbm7CBOe8ypzdCBSmlbzZ7M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e21vWC9san+KCF2YhUcaEeIZ5WoDaNMzkII956F36RErU0cU5Br3B2a5yP0v+BUPp ysaHT9viZpr3HeNdHIwXcplv6q7gOwNU1KRITUu4YgutEtb6xyMkmAlV+/2jel8qUw /Ci5ZZzu+am1tfSc6UGf83gynTqv0x4+UvYzVbPs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ricardo Ribalda , Laurent Pinchart , Mauro Carvalho Chehab Subject: [PATCH 5.10 521/529] media: uvcvideo: Provide sync and async uvc_ctrl_status_event Date: Fri, 10 Mar 2023 14:41:04 +0100 Message-Id: <20230310133828.954692991@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230310133804.978589368@linuxfoundation.org> References: <20230310133804.978589368@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Ricardo Ribalda commit d9c8763e61295be0a21dc04ad9c379d5d17c3d86 upstream. Split the functionality of void uvc_ctrl_status_event_work in two, so it can be called by functions outside interrupt context and not part of an URB. Signed-off-by: Ricardo Ribalda Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Greg Kroah-Hartman --- drivers/media/usb/uvc/uvc_ctrl.c | 25 +++++++++++++++---------- drivers/media/usb/uvc/uvc_status.c | 3 ++- drivers/media/usb/uvc/uvcvideo.h | 4 +++- 3 files changed, 20 insertions(+), 12 deletions(-) --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1275,17 +1275,12 @@ static void uvc_ctrl_send_slave_event(st uvc_ctrl_send_event(chain, handle, ctrl, mapping, val, changes); } -static void uvc_ctrl_status_event_work(struct work_struct *work) +void uvc_ctrl_status_event(struct uvc_video_chain *chain, + struct uvc_control *ctrl, const u8 *data) { - struct uvc_device *dev = container_of(work, struct uvc_device, - async_ctrl.work); - struct uvc_ctrl_work *w = &dev->async_ctrl; - struct uvc_video_chain *chain = w->chain; struct uvc_control_mapping *mapping; - struct uvc_control *ctrl = w->ctrl; struct uvc_fh *handle; unsigned int i; - int ret; mutex_lock(&chain->ctrl_mutex); @@ -1293,7 +1288,7 @@ static void uvc_ctrl_status_event_work(s ctrl->handle = NULL; list_for_each_entry(mapping, &ctrl->info.mappings, list) { - s32 value = __uvc_ctrl_get_value(mapping, w->data); + s32 value = __uvc_ctrl_get_value(mapping, data); /* * handle may be NULL here if the device sends auto-update @@ -1312,6 +1307,16 @@ static void uvc_ctrl_status_event_work(s } mutex_unlock(&chain->ctrl_mutex); +} + +static void uvc_ctrl_status_event_work(struct work_struct *work) +{ + struct uvc_device *dev = container_of(work, struct uvc_device, + async_ctrl.work); + struct uvc_ctrl_work *w = &dev->async_ctrl; + int ret; + + uvc_ctrl_status_event(w->chain, w->ctrl, w->data); /* Resubmit the URB. */ w->urb->interval = dev->int_ep->desc.bInterval; @@ -1321,8 +1326,8 @@ static void uvc_ctrl_status_event_work(s ret); } -bool uvc_ctrl_status_event(struct urb *urb, struct uvc_video_chain *chain, - struct uvc_control *ctrl, const u8 *data) +bool uvc_ctrl_status_event_async(struct urb *urb, struct uvc_video_chain *chain, + struct uvc_control *ctrl, const u8 *data) { struct uvc_device *dev = chain->dev; struct uvc_ctrl_work *w = &dev->async_ctrl; --- a/drivers/media/usb/uvc/uvc_status.c +++ b/drivers/media/usb/uvc/uvc_status.c @@ -179,7 +179,8 @@ static bool uvc_event_control(struct urb switch (status->bAttribute) { case UVC_CTRL_VALUE_CHANGE: - return uvc_ctrl_status_event(urb, chain, ctrl, status->bValue); + return uvc_ctrl_status_event_async(urb, chain, ctrl, + status->bValue); case UVC_CTRL_INFO_CHANGE: case UVC_CTRL_FAILURE_CHANGE: --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -839,7 +839,9 @@ int uvc_ctrl_add_mapping(struct uvc_vide int uvc_ctrl_init_device(struct uvc_device *dev); void uvc_ctrl_cleanup_device(struct uvc_device *dev); int uvc_ctrl_restore_values(struct uvc_device *dev); -bool uvc_ctrl_status_event(struct urb *urb, struct uvc_video_chain *chain, +bool uvc_ctrl_status_event_async(struct urb *urb, struct uvc_video_chain *chain, + struct uvc_control *ctrl, const u8 *data); +void uvc_ctrl_status_event(struct uvc_video_chain *chain, struct uvc_control *ctrl, const u8 *data); int uvc_ctrl_begin(struct uvc_video_chain *chain);