[04/55] media: usb: dvb-usb: cxusb-analog: Stop abusing of min_buffers_needed field
Message ID | 20231127165454.166373-5-benjamin.gaignard@collabora.com (mailing list archive) |
---|---|
State | Changes Requested |
Headers |
Received: from ny.mirrors.kernel.org ([147.75.199.223]) by www.linuxtv.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from <linux-media+bounces-1110-patchwork=linuxtv.org@vger.kernel.org>) id 1r7etV-002ZkG-Jm for patchwork@linuxtv.org; Mon, 27 Nov 2023 16:55:38 +0000 Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id DA4081C20CDC for <patchwork@linuxtv.org>; Mon, 27 Nov 2023 16:55:34 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 6B4BC3716E; Mon, 27 Nov 2023 16:55:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="WBbok1Zw" X-Original-To: linux-media@vger.kernel.org Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 77E2D192; Mon, 27 Nov 2023 08:55:09 -0800 (PST) Received: from benjamin-XPS-13-9310.. (ec2-34-240-57-77.eu-west-1.compute.amazonaws.com [34.240.57.77]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id AD80466071EF; Mon, 27 Nov 2023 16:55:07 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1701104108; bh=nXea1hVd1CLJC4QjmTPo1Qmgjq3TpB25wTNYX2076fw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WBbok1ZwVmzcYZ6qijikokOfeNVx1QY8q/v6QMqMKEShjboAWMnVi1KcNOilv/t8u ZGA/Y5dZbaa/+i79WxGiAt2wbRQE6bOJvd0ao1gRx7SIQ1BDzCgi61+Ctc132LkxBk OsX5mifJ6HyfdcolBMSvdvawfw5+tN1BzsTKRNbodDmZd0wXooyb0bqBoq8fYyPmdC Q6O+EvfitG568RQT8EMQzzcm9kKBH2w7MJMt6RXJtUnosr5XO0wqZfo4ikFJgTmytD QaRkTe6R11Hb8saK91cMDMCEr55N+m3J0afxeTkWn2hIx05xBMfQhubNP2c+qySLux WxX7gsXCjBTLQ== From: Benjamin Gaignard <benjamin.gaignard@collabora.com> To: hverkuil@xs4all.nl, mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, matt.ranostay@konsulko.com Cc: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard <benjamin.gaignard@collabora.com>, Michael Krufky <mkrufky@linuxtv.org> Subject: [PATCH 04/55] media: usb: dvb-usb: cxusb-analog: Stop abusing of min_buffers_needed field Date: Mon, 27 Nov 2023 17:54:03 +0100 Message-Id: <20231127165454.166373-5-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231127165454.166373-1-benjamin.gaignard@collabora.com> References: <20231127165454.166373-1-benjamin.gaignard@collabora.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: <linux-media.vger.kernel.org> List-Subscribe: <mailto:linux-media+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-media+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-LSpam-Score: -4.8 (----) X-LSpam-Report: No, score=-4.8 required=5.0 tests=BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_MED=-2.3 autolearn=unavailable autolearn_force=no |
Series |
Clean up queue_setup()/min_buffers_needed (ab)use
|
|
Commit Message
Benjamin Gaignard
Nov. 27, 2023, 4:54 p.m. UTC
'min_buffers_needed' is suppose to be used to indicate the number
of buffers needed by DMA engine to start streaming.
cxusb-analog driver doesn't use DMA engine and just want to specify
the minimum number of buffers to allocate when calling VIDIOC_REQBUFS.
That 'min_reqbufs_allocation' field purpose so use it.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
CC: Michael Krufky <mkrufky@linuxtv.org>
---
drivers/media/usb/dvb-usb/cxusb-analog.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/usb/dvb-usb/cxusb-analog.c b/drivers/media/usb/dvb-usb/cxusb-analog.c index deba5224cb8d..a038d97dd62e 100644 --- a/drivers/media/usb/dvb-usb/cxusb-analog.c +++ b/drivers/media/usb/dvb-usb/cxusb-analog.c @@ -1632,7 +1632,7 @@ static int cxusb_medion_register_analog_video(struct dvb_usb_device *dvbdev) cxdev->videoqueue.buf_struct_size = sizeof(struct cxusb_medion_vbuffer); cxdev->videoqueue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - cxdev->videoqueue.min_buffers_needed = 6; + cxdev->videoqueue.min_reqbufs_allocation = 6; cxdev->videoqueue.lock = &cxdev->dev_lock; ret = vb2_queue_init(&cxdev->videoqueue);