From patchwork Thu Oct 19 12:52:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13429017 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 57AA5CDB483 for ; Thu, 19 Oct 2023 12:57:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2u0Hb+ac2ZTWm98JBlA0bWxJj2YJ30MWC7OMxzCCSps=; b=WM2nv9NGOn/9an v9MUcAFYL4AzVcuAc9yZnzkGEKrcz8AF8d0yt2CBZQeptDfRbywJGQtJj6R/Z3FrQm2VANP6lQKYR ysvpB8B52RQ2DOiN/Ugx+ho6iLOGEjzvIxDc8A4xJpwTxvUp/fQZckxHfUqF3CDEewGMw++7R3K7U W6bGQkFhql85f9wEesFvob3UuDwQYRKabFYqO8c4qTd6i6wf9N9ZqwefgftdfnLuwGnAx+pFVKFm3 l1EesL0XSsPqG+J7JZDOU/IDwylgUGjWjQmL2saQJdrSTYRekLDXqM8M0Gc3xNOHhTUL+uJTsdWrD uf9BO3bIehanq8mxxesg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qtSaL-00HRsl-36; Thu, 19 Oct 2023 12:57:09 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qtSWM-00HNma-1o; Thu, 19 Oct 2023 12:53:02 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=5Q7ZrRRCLUX7MQga/2Jp1mB9ALimtGx2XcWFCRhpmxI=; b=ilJdLf7L0qUzSxAgyLDWcqoKju aXLm5KquLyTbp5TFk53FEeoeMKketYs6E8gu6jIYrWhbHytrPIUZdGZRlqde4WhxOiHJi9EwAXqAb 5j1Dr+Y3KTNnNhZpdBQ+A5t49UPvA/8KrZA3bzXPr8kjLFEuK+asC/UWFVc29mJoJohpPFvR+DwsU uqg5VPN8SUtZ4dK3PVPwbVxijUBqfwccRvVv7ohd0lTGvBQUkWJNq+w89AbtoqoXDsgCRcI2hK2Hp YDgiwQky4VI7IDiB9on/PTOb2Rx/lUqkB/BJKqePOpzyfiLrxkTwploOWkvgoD+cTbsGwyzuG93Xy lK284XjA==; Received: from madras.collabora.co.uk ([46.235.227.172]) by desiato.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qtSWF-009rWh-0B; Thu, 19 Oct 2023 12:53:00 +0000 Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:ccea:1fb5:34eb:239b]) (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 018E66607384; Thu, 19 Oct 2023 13:52:51 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1697719972; bh=nxe8x/V/1l6XolEQlUJAmFRKBPmiBgQL0drOV0CYbaw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NdK5aBWyfabr1RW/jjBwqQTxhdaELhBbiycWFPsGous3728mTSqIx/Kh+QUSaKSzV IyFmLQgPHSLU5DUGq6znakUf8WkESd4TLCYVayhHMTgSd6eI0zEGsmlo1SehDgHZ1z XFIg/8WQ6cXLjCdowQS+Q/2UcHAkbLUgu65RRGnvDdmOua2wuAv7pLH5c4Jfz+iMcH 2ZJfLecKts54kV81qruNRYiH6bGUasmwQXZs5rZt6lFxvlThx6usG5W3gwgCkpxNt8 vdbtaUtHiQnVpAk+PUjQs/uAFikNmL0Xx73nofVT7JaNel8Bj5DwQ82Vme1sbXjC/G TldwfP1mlOVVw== 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 v13 41/56] media: usb: hackrf: Stop direct calls to queue num_buffers field Date: Thu, 19 Oct 2023 14:52:07 +0200 Message-Id: <20231019125222.21370-42-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231019125222.21370-1-benjamin.gaignard@collabora.com> References: <20231019125222.21370-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231019_135255_242869_A720428C X-CRM114-Status: GOOD ( 11.63 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.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 future. 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);