Received-SPF: pass (google.com: domain of linux-kernel+bounces-152389-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249;
Message-ID: <b288c62b-6a9f-4c6d-8e70-de04b6fa5fa6@linaro.org>
Date: Sun, 21 Apr 2024 00:11:51 +0100
Precedence: bulk
MIME-Version: 1.0
User-Agent: Mozilla Thunderbird
Subject: Re: [PATCH v2 05/26] media: go7007: Use min and max macros
To: Ricardo Ribalda <ribalda@chromium.org>,
 Martin Tuma <martin.tuma@digiteqautomotive.com>,
 Mauro Carvalho Chehab <mchehab@kernel.org>,
 Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
 Hugues Fruchet <hugues.fruchet@foss.st.com>,
 Alain Volmat <alain.volmat@foss.st.com>,
 Maxime Coquelin <mcoquelin.stm32@gmail.com>,
 Alexandre Torgue <alexandre.torgue@foss.st.com>,
 Paul Kocialkowski <paul.kocialkowski@bootlin.com>,
 Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Chen-Yu Tsai
 <wens@csie.org>, Jernej Skrabec <jernej.skrabec@gmail.com>,
 Samuel Holland <samuel@sholland.org>,
 Sakari Ailus <sakari.ailus@linux.intel.com>,
 Thierry Reding <thierry.reding@gmail.com>,
 Jonathan Hunter <jonathanh@nvidia.com>,
 Sowjanya Komatineni <skomatineni@nvidia.com>,
 Luca Ceresoli <luca.ceresoli@bootlin.com>,
 Matthias Brugger <matthias.bgg@gmail.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>,
 Hans Verkuil <hverkuil@xs4all.nl>, Sergey Kozlov <serjk@netup.ru>,
 Abylay Ospan <aospan@netup.ru>,
 Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>,
 Dmitry Osipenko <digetx@gmail.com>,
 Benjamin Mugnier <benjamin.mugnier@foss.st.com>,
 Sylvain Petinot <sylvain.petinot@foss.st.com>,
 Stanimir Varbanov <stanimir.k.varbanov@gmail.com>,
 Vikash Garodia <quic_vgarodia@quicinc.com>,
 Bjorn Andersson <andersson@kernel.org>,
 Konrad Dybcio <konrad.dybcio@linaro.org>
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
References: <20240419-fix-cocci-v2-0-2119e692309c@chromium.org>
 <20240419-fix-cocci-v2-5-2119e692309c@chromium.org>
Content-Language: en-US
From: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
In-Reply-To: <20240419-fix-cocci-v2-5-2119e692309c@chromium.org>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit

On 19/04/2024 10:47, Ricardo Ribalda wrote:
> It makes the code simpler and cocci happier:
> 
> drivers/media/usb/go7007/go7007-fw.c:1292:14-15: WARNING opportunity for max()
> drivers/media/usb/go7007/go7007-fw.c:1293:14-15: WARNING opportunity for min()
> 
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
>   drivers/media/usb/go7007/go7007-fw.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/usb/go7007/go7007-fw.c b/drivers/media/usb/go7007/go7007-fw.c
> index 018019ba47d4..86ce593e0c54 100644
> --- a/drivers/media/usb/go7007/go7007-fw.c
> +++ b/drivers/media/usb/go7007/go7007-fw.c
> @@ -1289,8 +1289,8 @@ static int avsync_to_package(struct go7007 *go, __le16 *code, int space)
>   		0xbf99,		(u16)((-adjratio) >> 16),
>   		0xbf92,		0,
>   		0xbf93,		0,
> -		0xbff4,		f1 > f2 ? f1 : f2,
> -		0xbff5,		f1 < f2 ? f1 : f2,
> +		0xbff4,		max(f1, f2),
> +		0xbff5,		min(f1, f2),
>   		0xbff6,		f1 < f2 ? ratio : ratio + 1,
>   		0xbff7,		f1 > f2 ? ratio : ratio + 1,
>   		0xbff8,		0,
> 

Code is correct, but the commit log could use some expansion.

Suggest:

"Replace ternary inline selection of f1 and f2 min max values with min() 
and max() helper functions for the sake of readability and to make 
coccinelle happier"

You can take the RB either way though

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>