From patchwork Tue Oct 17 14:47:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 736071 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 05F1DCDB48A for ; Tue, 17 Oct 2023 14:49:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344500AbjJQOtX (ORCPT ); Tue, 17 Oct 2023 10:49:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43756 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344339AbjJQOse (ORCPT ); Tue, 17 Oct 2023 10:48:34 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E3DB3D43; Tue, 17 Oct 2023 07:48:26 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:7205:da49:a7e8:59f8]) (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 E67FD66073A2; Tue, 17 Oct 2023 15:48:24 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1697554105; bh=wk5FyCWGNx2cAtKViktVclkgN+GPe2+jk4Hquu06z/w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mGJDmZHLrlCdnB1gFhkCrcMZmauV6q/t5HUn4WU8MLXq72p9S/IG7tVS/Em0ly3GA U0/o+Kts4ct50nuQ9x1dcHcrNeQqVfemkF0Xk60AdZRW3DG6GTnFwIm8lhJcb3kFnf YfkwrsgeB5IrKfFlrTbLj6avD8ShpAny6DJt4txetIUTkOpS1x/Hk5uR1pgX4ovuS6 ST7+VLAf6Fx9+4l1sCxkgn1Kym6RcKoodgY48GPSWE6pmo4rn41COb53dYr5SzbafL F0FqqdMi5wwv8aVJfdd74rwj6pFx1hWhebXBWZ3s6dM2daxukTnwMujW/NZex8yKAm 539OKQF1dX6gA== From: Benjamin Gaignard To: mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com, ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, gregkh@linuxfoundation.org, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev, kernel@collabora.com, Benjamin Gaignard , Antti Palosaari Subject: [PATCH v12 41/56] media: usb: hackrf: Stop direct calls to queue num_buffers field Date: Tue, 17 Oct 2023 16:47:41 +0200 Message-Id: <20231017144756.34719-42-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231017144756.34719-1-benjamin.gaignard@collabora.com> References: <20231017144756.34719-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use vb2_get_num_buffers() to avoid using queue num_buffers field directly. This allows us to change how the number of buffers is computed in the futur. Signed-off-by: Benjamin Gaignard CC: Antti Palosaari --- drivers/media/usb/hackrf/hackrf.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c index 3e535be2c520..9c0ecd5f056c 100644 --- a/drivers/media/usb/hackrf/hackrf.c +++ b/drivers/media/usb/hackrf/hackrf.c @@ -753,12 +753,13 @@ static int hackrf_queue_setup(struct vb2_queue *vq, unsigned int *nplanes, unsigned int sizes[], struct device *alloc_devs[]) { struct hackrf_dev *dev = vb2_get_drv_priv(vq); + unsigned int q_num_bufs = vb2_get_num_buffers(vq); dev_dbg(dev->dev, "nbuffers=%d\n", *nbuffers); /* Need at least 8 buffers */ - if (vq->num_buffers + *nbuffers < 8) - *nbuffers = 8 - vq->num_buffers; + if (q_num_bufs + *nbuffers < 8) + *nbuffers = 8 - q_num_bufs; *nplanes = 1; sizes[0] = PAGE_ALIGN(dev->buffersize);