linux-kernel - Re: [PATCH 4/4] spi: spi-fsl-qspi: Add support for rx data sample point adjustment

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Date:   Fri, 27 Oct 2023 08:51:49 +0200
From:   Frieder Schrempf <frieder.schrempf@...tron.de>
To:     kernel test robot <lkp@...el.com>, Eberhard Stoll <estl@....net>,
        Han Xu <han.xu@....com>, linux-kernel@...r.kernel.org,
        linux-spi@...r.kernel.org, Mark Brown <broonie@...nel.org>
Cc:     oe-kbuild-all@...ts.linux.dev,
        Eberhard Stoll <eberhard.stoll@...tron.de>,
        Amit Kumar Mahapatra <amit.kumar-mahapatra@....com>,
        Amit Kumar Mahapatra via Alsa-devel 
        <alsa-devel@...a-project.org>, Michal Simek <monstr@...str.eu>,
        Rob Herring <robh@...nel.org>,
        Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Yang Yingliang <yangyingliang@...wei.com>
Subject: Re: [PATCH 4/4] spi: spi-fsl-qspi: Add support for rx data sample
 point adjustment

On 26.10.23 22:03, kernel test robot wrote:
> Hi Eberhard,
> 
> kernel test robot noticed the following build warnings:
> 
> [auto build test WARNING on 05d3ef8bba77c1b5f98d941d8b2d4aeab8118ef1]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Eberhard-Stoll/spi-Add-parameter-for-clock-to-rx-delay/20231026-232547
> base:   05d3ef8bba77c1b5f98d941d8b2d4aeab8118ef1
> patch link:    https://lore.kernel.org/r/20231026152316.2729575-5-estl%40gmx.net
> patch subject: [PATCH 4/4] spi: spi-fsl-qspi: Add support for rx data sample point adjustment
> config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20231027/202310270332.mcbckKCr-lkp@intel.com/config)
> compiler: m68k-linux-gcc (GCC) 13.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231027/202310270332.mcbckKCr-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202310270332.mcbckKCr-lkp@intel.com/
> 
> All warnings (new ones prefixed by >>):
> 
>    drivers/spi/spi-fsl-qspi.c: In function 'fsl_qspi_select_mem':
>>> drivers/spi/spi-fsl-qspi.c:558:38: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
>      558 |         if (chip->rx_sample_delay_ns != spi->rx_sample_delay_ns |
>          |             ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

IIRC, when I prepared the patches for sending "checkpatch.pl --strict"
suggested to remove the parentheses here. Seems a bit inconsistent...