From patchwork Thu Nov 9 16:34:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 13451533 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 21C81C4167B for ; Thu, 9 Nov 2023 16:39:56 +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=52dA2C4wcDu6fXnhfZWT40R4ptEtdbeB6CpNteiLZiw=; b=L7gq5H1vFkKx4A utSL9vEMPGVp/tdVBIUacFqJOpm5hqjk0qwBpvX0QExFJHjeGjs+LPHIBSTFMQB+szycwrPGNVXu9 a/AevevnkkZ9AC6bt1VFYIMXSBnwOCrLrC9P86C3lgD0cr6zX5/Tyj933ID57A8VckIa+jNnKnxdz FSi1WuknGvJ9v1RvCCvEiQuQfSBTiFZVE1CklNd4qOgExBdwljSP3CC6Jdgx+6eQQ8BPswRwxyAu/ Pxth4MhnCjtlGty0wsmB8cXHvLQ/drGXesWE0viliSj+rS5nPt7jALjIJS5x/ccZqY09ZLZoK3cJ0 zpbf0gqnUiRV7VrkapMg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r183w-006moK-1I; Thu, 09 Nov 2023 16:39:24 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r182o-006la0-1r; Thu, 09 Nov 2023 16:38:16 +0000 Received: from benjamin-XPS-13-9310.. (cola.collaboradmins.com [195.201.22.229]) (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 0CB6666076B7; Thu, 9 Nov 2023 16:38:12 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1699547893; bh=BbzxyrDVfMPZZmyN110w8Pfww9FXyNV/OBFjuHEvLQs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jhPFyxwN8fMgIiJNlbpby/PoAyWLPS2Ol44wtSXwpt9m6RLgve2oPqSBRqMbdIFWp SRjklkUYdVeFLUq89ug3kmpUGFiBBvkcSwy2OJS6DAkg5blIqVAcCiOW/053bhJRkf BnNiJhyqza9FxnLK5ltKV/vKENmA/RRjBo0yA7gaUBpDgQE5H4yHh34Vt354QTSYIy QFY50HzH66loqVM1nEPRdT4X4WED8CeNBSg7b5yYhHZVuLO+yBBkzqWuH2hUoZ4Xx4 Mrd5eHB5kQlnsG5kVj/ouJEhRNC1TIcIs6ZU8YVrbBNJnY5y/WOlddwdKGTuSW9A3H uc/F36qbXFYPA== 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 , Andrzej Pietrasiewicz , Dmitry Torokhov Subject: [PATCH v15 33/56] touchscreen: sur40: Stop direct calls to queue num_buffers field Date: Thu, 9 Nov 2023 17:34:49 +0100 Message-Id: <20231109163512.179524-34-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231109163512.179524-14-benjamin.gaignard@collabora.com> References: <20231109163512.179524-14-benjamin.gaignard@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231109_083814_780279_7D40AE68 X-CRM114-Status: GOOD ( 11.46 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=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 Reviewed-by: Andrzej Pietrasiewicz Acked-by: Dmitry Torokhov --- drivers/input/touchscreen/sur40.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c index 8ddb3f7d307a..e7d2a52169a0 100644 --- a/drivers/input/touchscreen/sur40.c +++ b/drivers/input/touchscreen/sur40.c @@ -847,9 +847,10 @@ static int sur40_queue_setup(struct vb2_queue *q, unsigned int sizes[], struct device *alloc_devs[]) { struct sur40_state *sur40 = vb2_get_drv_priv(q); + unsigned int q_num_bufs = vb2_get_num_buffers(q); - if (q->num_buffers + *nbuffers < 3) - *nbuffers = 3 - q->num_buffers; + if (q_num_bufs + *nbuffers < 3) + *nbuffers = 3 - q_num_bufs; if (*nplanes) return sizes[0] < sur40->pix_fmt.sizeimage ? -EINVAL : 0;