From patchwork Fri Apr 19 09:48:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricardo Ribalda X-Patchwork-Id: 13636024 Received: from mail-qk1-f175.google.com (mail-qk1-f175.google.com [209.85.222.175]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A6767130A44 for ; Fri, 19 Apr 2024 09:49:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.175 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713520188; cv=none; b=dahNuSPA3O56HrrOYSDfVhm3f3eAS2aEvdM5UGSbn7tVoA7ow/an/hmQ0tugUL9fi6aVpDTItGKPBMXC9gxE5fgkomlpK0S/Rc1HDJnZPE7izMN/RB4b6N6RIs7sXo/pYtoDMXyQc3jVczuu34sL2hJMBxd0N4tIm8AIxLChT9w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713520188; c=relaxed/simple; bh=kVHfPXf+aJiHcuvBXYKvN9J4cRi3k9vjohaInvrzoF4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=jY07psmOQS8AysNmau9CTmrc86pRTNc8bus9XY8kkYdb/eI9Dr4pf38YRUJIPyhPWDOFbgMHMkEL8ftEfzpH+W1vZAVIPtuil96ZCHj96Lo9mU2XXGywm4fyGSmHCmhGT8hERhLTzuLOsY0xiFyp9VeU92YPJ5nBwAqdT2F5sw0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=Vw2XJPuH; arc=none smtp.client-ip=209.85.222.175 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="Vw2XJPuH" Received: by mail-qk1-f175.google.com with SMTP id af79cd13be357-78edc49861aso124952585a.3 for ; Fri, 19 Apr 2024 02:49:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1713520186; x=1714124986; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=G+OLGyPz2NtLOZH/YOdUHJtasX7vVXp+smN0A8Fakk8=; b=Vw2XJPuHWCVTRB0iEXZ53SnOAN4jpYhdj1wIWOcRqY5hGxKRv656AdWslYB8uX88tP EQoS69p92Mhox0z8LIcDMq2zXNmb4Xys+ypmny73pBc9eXkdxEe836/PEXBIsU9YI3dz mRPnexaltu7mZlFdvPCslsXezgWOSBnfLHH1g= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1713520186; x=1714124986; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=G+OLGyPz2NtLOZH/YOdUHJtasX7vVXp+smN0A8Fakk8=; b=qeT1L/c1ZJU1f9yJ4U2IEceu62G4opHuVHykbsh4mrwwFAyW9r0guSYSiys0ACMbVI Rg6/gW3NPrWWYhss8s5wTA8/+UiCDM9q2/XAk3RkVlfyNc51ZTF1kl/ugS9IRzOqArap gt0j7WpGEBi52B14QTyL8HJxo2l0PyoLw/GFpiJfLJo5uUZDwnOnR3ZSLvY4MiV0utUw v7VnWsJ8bKkVnUt3nRt41NFBiJmBq5OsEfbj8uULmK3VnvKub1ZkBhUg4pXuJm02bU4I wymgmW5fWGVva/aG9uVKUk07PhAe5LRKsA82nlR+OEEJ3RYjDu9BuBhoFpJsERye62mT qTNQ== X-Forwarded-Encrypted: i=1; AJvYcCUdAd9RoRzNeqMCg9FPgHHZ9YGAKLQJL5VA++yWtQHtosrvVC+FaSmENshICL9jirMdQBjkVWHrhDveQz1JUYAe1m4kPzsIfTLYb4cJIQ== X-Gm-Message-State: AOJu0Yz37TYvWkGqCuA9zE+aUM4jUg3eXYO6EVW3FhGQmHIqRs+z0FeQ gIZ5cPS+61xpDZnrlHiZ06vmuGcJWFKCYkPZDBUC0PA47ProA7UOuIca/lZjsg== X-Google-Smtp-Source: AGHT+IGmrMUnhFDPACSHoV4O9y/blrNx/1c6IZqAeqIu8A58TfBv2t0AZdePdmIMfSq3rhn78LSShA== X-Received: by 2002:a05:620a:8116:b0:78d:7036:fbda with SMTP id os22-20020a05620a811600b0078d7036fbdamr1727540qkn.75.1713520185768; Fri, 19 Apr 2024 02:49:45 -0700 (PDT) Received: from denia.c.googlers.com (114.152.245.35.bc.googleusercontent.com. [35.245.152.114]) by smtp.gmail.com with ESMTPSA id dt14-20020a05620a478e00b0078d735ca917sm1434532qkb.123.2024.04.19.02.49.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Apr 2024 02:49:45 -0700 (PDT) From: Ricardo Ribalda Date: Fri, 19 Apr 2024 09:48:09 +0000 Subject: [PATCH v2 23/26] media: venus: vdec: Make explicit the range of us_per_frame Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240419-fix-cocci-v2-23-2119e692309c@chromium.org> References: <20240419-fix-cocci-v2-0-2119e692309c@chromium.org> In-Reply-To: <20240419-fix-cocci-v2-0-2119e692309c@chromium.org> To: Martin Tuma , Mauro Carvalho Chehab , Laurent Pinchart , Hugues Fruchet , Alain Volmat , Maxime Coquelin , Alexandre Torgue , Paul Kocialkowski , Greg Kroah-Hartman , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Sakari Ailus , Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , Luca Ceresoli , Matthias Brugger , AngeloGioacchino Del Regno , Hans Verkuil , Sergey Kozlov , Abylay Ospan , Ezequiel Garcia , Dmitry Osipenko , Benjamin Mugnier , Sylvain Petinot , Stanimir Varbanov , Vikash Garodia , Bryan O'Donoghue , Bjorn Andersson , Konrad Dybcio Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-staging@lists.linux.dev, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, Ricardo Ribalda X-Mailer: b4 0.12.4 Unless the fps is smaller than 0.000232829 fps, this fits in a 32 bit number. Make that explicit. Found by cocci: drivers/media/platform/qcom/venus/vdec.c:488:1-7: WARNING: do_div() does a 64-by-32 division, please consider using div64_u64 instead. Signed-off-by: Ricardo Ribalda Reviewed-by: Bryan O'Donoghue --- drivers/media/platform/qcom/venus/vdec.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c index 29130a9441e7..2b2874aedb2d 100644 --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -464,7 +464,7 @@ static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) struct venus_inst *inst = to_inst(file); struct v4l2_captureparm *cap = &a->parm.capture; struct v4l2_fract *timeperframe = &cap->timeperframe; - u64 us_per_frame, fps; + u64 us_per_frame; if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE && a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) @@ -484,10 +484,7 @@ static int vdec_s_parm(struct file *file, void *fh, struct v4l2_streamparm *a) if (!us_per_frame) return -EINVAL; - fps = (u64)USEC_PER_SEC; - do_div(fps, us_per_frame); - - inst->fps = fps; + inst->fps = USEC_PER_SEC / (u32)us_per_frame; inst->timeperframe = *timeperframe; return 0;