From patchwork Mon Nov 27 16:54:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 747715 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="VwQOmNRl" Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14E951BCF; Mon, 27 Nov 2023 08:55:24 -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 4C8D666073A4; Mon, 27 Nov 2023 16:55:22 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1701104122; bh=GzHBqgRhyPfMPwV2bftblzOdfFiQq/5ns8Cr3Xl9iGs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VwQOmNRlKbCStX02pa30QUDD67AudKdZI1SlNcUxNJACh3pt3K0319v5P/3pqBJ+/ rOCaSGAvVwD1fDvqioLcIjTLJkZzAHKeVHXXJyBQQ+acixMmcN2zWoKhK3ze/3YaaT ctl4B2rNH1jl1ZopwYPGmVbMGwhwZaWRwO7ywUPYTCm5+rmIek9NI7ghu3msn+HGIf hubiyhwkLYrFJ6hq7gZg2fxIjJ04DvQQvKVdbPfHdjVV7/zXBpGIxen5JDtlnvC9dt /r36BuglfcX64lvC9WyeGYXHvcM6LG77JbN1NiM0EvlKQKCyMP0MnsbTA6jjVX5Ciz 1NtkKacnCdDnA== 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 22/55] media: dvb-core: Stop abusing of min_buffers_needed field Date: Mon, 27 Nov 2023 17:54:21 +0100 Message-Id: <20231127165454.166373-23-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 'min_buffers_needed' is suppose to be used to indicate the number of buffers needed by DMA engine to start streaming. dvb_vb2 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/dvb-core/dvb_vb2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/dvb-core/dvb_vb2.c b/drivers/media/dvb-core/dvb_vb2.c index 167ff82a6fed..e6253cc41ae3 100644 --- a/drivers/media/dvb-core/dvb_vb2.c +++ b/drivers/media/dvb-core/dvb_vb2.c @@ -171,7 +171,7 @@ int dvb_vb2_init(struct dvb_vb2_ctx *ctx, const char *name, int nonblocking) q->io_modes = VB2_MMAP; q->drv_priv = ctx; q->buf_struct_size = sizeof(struct dvb_buffer); - q->min_buffers_needed = 1; + q->min_reqbufs_allocation = 1; q->ops = &dvb_vb2_qops; q->mem_ops = &vb2_vmalloc_memops; q->buf_ops = &dvb_vb2_buf_ops;