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Date: Sat, 6 Apr 2024 06:31:21 +0800
From: kernel test robot <lkp@intel.com>
To: Konrad Dybcio <konrad.dybcio@linaro.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Rob Clark <robdclark@gmail.com>,
	Abhinav Kumar <quic_abhinavk@quicinc.com>,
	Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
	Sean Paul <sean@poorly.run>,
	Marijn Suijten <marijn.suijten@somainline.org>,
	David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
	dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org,
	devicetree@vger.kernel.org,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>
Subject: Re: [PATCH 2/6] soc: qcom: smem: Add pcode/fcode getters
Message-ID: <202404060648.DOjOYUSf-lkp@intel.com>
References: <20240405-topic-smem_speedbin-v1-2-ce2b864251b1@linaro.org>
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In-Reply-To: <20240405-topic-smem_speedbin-v1-2-ce2b864251b1@linaro.org>

Hi Konrad,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 2b3d5988ae2cb5cd945ddbc653f0a71706231fdd]

url:    https://github.com/intel-lab-lkp/linux/commits/Konrad-Dybcio/soc-qcom-Move-some-socinfo-defines-to-the-header-expand-them/20240405-164231
base:   2b3d5988ae2cb5cd945ddbc653f0a71706231fdd
patch link:    https://lore.kernel.org/r/20240405-topic-smem_speedbin-v1-2-ce2b864251b1%40linaro.org
patch subject: [PATCH 2/6] soc: qcom: smem: Add pcode/fcode getters
config: arm-defconfig (https://download.01.org/0day-ci/archive/20240406/202404060648.DOjOYUSf-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240406/202404060648.DOjOYUSf-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404060648.DOjOYUSf-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/soc/qcom/smem.c:807: warning: Function parameter or struct member 'code' not described in 'qcom_smem_get_feature_code'
>> drivers/soc/qcom/smem.c:807: warning: Excess function parameter 'id' description in 'qcom_smem_get_feature_code'
>> drivers/soc/qcom/smem.c:840: warning: Function parameter or struct member 'code' not described in 'qcom_smem_get_product_code'
>> drivers/soc/qcom/smem.c:840: warning: Excess function parameter 'id' description in 'qcom_smem_get_product_code'


vim +807 drivers/soc/qcom/smem.c

   797	
   798	/**
   799	 * qcom_smem_get_feature_code() - return the feature code
   800	 * @id:	On success, we return the feature code here.
   801	 *
   802	 * Look up the feature code identifier from SMEM and return it.
   803	 *
   804	 * Return: 0 on success, negative errno on failure.
   805	 */
   806	int qcom_smem_get_feature_code(u32 *code)
 > 807	{
   808		struct socinfo *info;
   809		u32 raw_code;
   810	
   811		info = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_HW_SW_BUILD_ID, NULL);
   812		if (IS_ERR(info))
   813			return PTR_ERR(info);
   814	
   815		/* This only makes sense for socinfo >= 16 */
   816		if (__le32_to_cpu(info->fmt) < SOCINFO_VERSION(0, 16))
   817			return -EINVAL;
   818	
   819		raw_code = __le32_to_cpu(info->feature_code);
   820	
   821		/* Ensure the value makes sense */
   822		if (raw_code >= SOCINFO_FC_INT_RESERVE)
   823			raw_code = SOCINFO_FC_UNKNOWN;
   824	
   825		*code = raw_code;
   826	
   827		return 0;
   828	}
   829	EXPORT_SYMBOL_GPL(qcom_smem_get_feature_code);
   830	
   831	/**
   832	 * qcom_smem_get_product_code() - return the product code
   833	 * @id:	On success, we return the product code here.
   834	 *
   835	 * Look up feature code identifier from SMEM and return it.
   836	 *
   837	 * Return: 0 on success, negative errno on failure.
   838	 */
   839	int qcom_smem_get_product_code(u32 *code)
 > 840	{
   841		struct socinfo *info;
   842		u32 raw_code;
   843	
   844		info = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_HW_SW_BUILD_ID, NULL);
   845		if (IS_ERR(info))
   846			return PTR_ERR(info);
   847	
   848		/* This only makes sense for socinfo >= 16 */
   849		if (__le32_to_cpu(info->fmt) < SOCINFO_VERSION(0, 16))
   850			return -EINVAL;
   851	
   852		raw_code = __le32_to_cpu(info->pcode);
   853	
   854		/* Ensure the value makes sense */
   855		if (raw_code >= SOCINFO_FC_INT_RESERVE)
   856			raw_code = SOCINFO_FC_UNKNOWN;
   857	
   858		*code = raw_code;
   859	
   860		return 0;
   861	}
   862	EXPORT_SYMBOL_GPL(qcom_smem_get_product_code);
   863	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki