From patchwork Mon Nov 27 16:54:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 97354 Received: from am.mirrors.kernel.org ([147.75.80.249]) by www.linuxtv.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1r7etO-002Zj9-W3 for patchwork@linuxtv.org; Mon, 27 Nov 2023 16:55:31 +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 am.mirrors.kernel.org (Postfix) with ESMTPS id 407281F20F2E for ; Mon, 27 Nov 2023 16:55:27 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 88A8736B18; Mon, 27 Nov 2023 16:55:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="h6HUoXxA" 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 A81371B5; Mon, 27 Nov 2023 08:55:08 -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 0450966071A9; Mon, 27 Nov 2023 16:55:06 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1701104107; bh=RQZKjikW6Ece6fRgXGbXCqiDnEcXizem8w9dbLVAl84=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h6HUoXxAS1RaL+324Vn+8xbiV+Lrc6tIB616nDIi1Bub1y5qVeNdc0RS27ndLvP4A pGhpZhy6/Fqzlu7mAHYip/0Uz6aOMChuuHMzQTnbNTI3yTuDV4KcuRWWgqcbovk4jD MgYnYbWeAeXOBIu4NSATm8wEf0IOdyfT8ltNcz8FrSOQl6x4bGrH5ouLTjHK0hlbIV yGZflYB0oOw2UXATQS6pPpRmIgWJx7Wf6WTNq+U+GsnwoC60DW780Xv6IUtdWHQSBc M9i7fZN1QAB/yAOzvw4dhleXlTfl3qdwkmEZmxgyfPgrsstKehbQnWGRS8NnXQ1q+t ZFsITfwPpSeDg== From: Benjamin Gaignard 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 Subject: [PATCH 03/55] media: usb: cx231xx: Stop abusing of min_buffers_needed field Date: Mon, 27 Nov 2023 17:54:02 +0100 Message-Id: <20231127165454.166373-4-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: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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 'min_buffers_needed' is suppose to be used to indicate the number of buffers needed by DMA engine to start streaming. cx231xx 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 --- drivers/media/usb/cx231xx/cx231xx-417.c | 2 +- drivers/media/usb/cx231xx/cx231xx-video.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/media/usb/cx231xx/cx231xx-417.c b/drivers/media/usb/cx231xx/cx231xx-417.c index 45973fe690b2..66043ed50c8e 100644 --- a/drivers/media/usb/cx231xx/cx231xx-417.c +++ b/drivers/media/usb/cx231xx/cx231xx-417.c @@ -1782,7 +1782,7 @@ int cx231xx_417_register(struct cx231xx *dev) q->ops = &cx231xx_video_qops; q->mem_ops = &vb2_vmalloc_memops; q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - q->min_buffers_needed = 1; + q->min_reqbufs_allocation = 1; q->lock = &dev->lock; err = vb2_queue_init(q); if (err) diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c index c8eb4222319d..df572c466bfb 100644 --- a/drivers/media/usb/cx231xx/cx231xx-video.c +++ b/drivers/media/usb/cx231xx/cx231xx-video.c @@ -1811,7 +1811,7 @@ int cx231xx_register_analog_devices(struct cx231xx *dev) q->ops = &cx231xx_video_qops; q->mem_ops = &vb2_vmalloc_memops; q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - q->min_buffers_needed = 1; + q->min_reqbufs_allocation = 1; q->lock = &dev->lock; ret = vb2_queue_init(q); if (ret) @@ -1871,7 +1871,7 @@ int cx231xx_register_analog_devices(struct cx231xx *dev) q->ops = &cx231xx_vbi_qops; q->mem_ops = &vb2_vmalloc_memops; q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - q->min_buffers_needed = 1; + q->min_reqbufs_allocation = 1; q->lock = &dev->lock; ret = vb2_queue_init(q); if (ret)