linux-kernel - Re: [v4 2/3] phy: qcom-snps: Add support for overriding phy tuning parameters

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Date:   Thu, 12 May 2022 05:04:19 +0800
From:   kernel test robot <lkp@...el.com>
To:     Krishna Kurapati <quic_kriskura@...cinc.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Doug Anderson <dianders@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        Wesley Cheng <quic_wcheng@...cinc.com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     kbuild-all@...ts.01.org, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
        quic_pkondeti@...cinc.com, quic_ppratap@...cinc.com,
        quic_vpulyala@...cinc.com,
        Krishna Kurapati <quic_kriskura@...cinc.com>
Subject: Re: [v4 2/3] phy: qcom-snps: Add support for overriding phy tuning
 parameters

Hi Krishna,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on krzk/for-next linus/master v5.18-rc6 next-20220511]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/intel-lab-lkp/linux/commits/Krishna-Kurapati/Add-QCOM-SNPS-PHY-overriding-params-support/20220511-232858
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20220512/202205120425.gScyEI7N-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/48c46f24873c92d3e16904af9e654962d0b923f1
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Krishna-Kurapati/Add-QCOM-SNPS-PHY-overriding-params-support/20220511-232858
        git checkout 48c46f24873c92d3e16904af9e654962d0b923f1
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/phy/qualcomm/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

   drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c: In function 'qcom_snps_hsphy_read_override_param_seq':
>> drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c:541:42: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
     541 |         struct override_param_map *cfg = of_device_get_match_data(dev);
         |                                          ^~~~~~~~~~~~~~~~~~~~~~~~


vim +/const +541 drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c

   534	
   535	static void qcom_snps_hsphy_read_override_param_seq(struct device *dev)
   536	{
   537		struct device_node *node = dev->of_node;
   538		s32 val;
   539		int ret, i;
   540		struct qcom_snps_hsphy *hsphy;
 > 541		struct override_param_map *cfg = of_device_get_match_data(dev);
   542	
   543		hsphy = dev_get_drvdata(dev);
   544	
   545		for (i = 0; i < ARRAY_SIZE(phy_seq_props); i++) {
   546			ret = of_property_read_s32(node, phy_seq_props[i], &val);
   547			if (!ret) {
   548				dev_dbg(&hsphy->phy->dev, "Read param: %s val: %d\n",
   549							phy_seq_props[i], val);
   550				qcom_snps_hsphy_override_param_update_val(cfg[i], val,
   551							&hsphy->update_seq_cfg[i]);
   552			}
   553		}
   554	}
   555	

-- 
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