linux-kernel - Re: [PATCH v21 3/7] firmware: imx: add driver for NXP EdgeLock Enclave

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Message-ID: <202512141039.nVscnjzl-lkp@intel.com>
Date: Sun, 14 Dec 2025 10:44:22 +0800
From: kernel test robot <lkp@...el.com>
To: Pankaj Gupta <pankaj.gupta@....com>, Jonathan Corbet <corbet@....net>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	Frank Li <Frank.Li@....com>
Subject: Re: [PATCH v21 3/7] firmware: imx: add driver for NXP EdgeLock
 Enclave

Hi Pankaj,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 4a26e7032d7d57c998598c08a034872d6f0d3945]

url:    https://github.com/intel-lab-lkp/linux/commits/Pankaj-Gupta/Documentation-firmware-add-imx-se-to-other_interfaces/20251212-172535
base:   4a26e7032d7d57c998598c08a034872d6f0d3945
patch link:    https://lore.kernel.org/r/20251212-imx-se-if-v21-3-ee7d6052d848%40nxp.com
patch subject: [PATCH v21 3/7] firmware: imx: add driver for NXP EdgeLock Enclave
config: powerpc-randconfig-r131-20251213 (https://download.01.org/0day-ci/archive/20251214/202512141039.nVscnjzl-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 13.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251214/202512141039.nVscnjzl-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/202512141039.nVscnjzl-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/firmware/imx/ele_base_msg.c:77:52: sparse: sparse: non size-preserving pointer to integer cast

vim +77 drivers/firmware/imx/ele_base_msg.c

    16	
    17	int ele_get_info(struct se_if_priv *priv, struct ele_dev_info *s_info)
    18	{
    19		struct se_api_msg *tx_msg = NULL;
    20		struct se_api_msg *rx_msg = NULL;
    21		dma_addr_t get_info_addr = 0;
    22		u32 *get_info_data = NULL;
    23		int ret = 0;
    24	
    25		if (!priv)
    26			return -EINVAL;
    27	
    28		memset(s_info, 0x0, sizeof(*s_info));
    29	
    30		tx_msg = kzalloc(ELE_GET_INFO_REQ_MSG_SZ, GFP_KERNEL);
    31		if (!tx_msg)
    32			return -ENOMEM;
    33	
    34		rx_msg = kzalloc(ELE_GET_INFO_RSP_MSG_SZ, GFP_KERNEL);
    35		if (!rx_msg) {
    36			ret = -ENOMEM;
    37			goto exit;
    38		}
    39	
    40		if (priv->mem_pool)
    41			get_info_data = gen_pool_dma_alloc(priv->mem_pool,
    42							   ELE_GET_INFO_BUFF_SZ,
    43							   &get_info_addr);
    44		else
    45			get_info_data = dma_alloc_coherent(priv->dev,
    46							   ELE_GET_INFO_BUFF_SZ,
    47							   &get_info_addr,
    48							   GFP_KERNEL);
    49		if (!get_info_data) {
    50			dev_dbg(priv->dev,
    51				"%s: Failed to allocate get_info_addr.", __func__);
    52			ret = -ENOMEM;
    53			goto exit;
    54		}
    55	
    56		ret = se_fill_cmd_msg_hdr(priv, (struct se_msg_hdr *)&tx_msg->header,
    57					  ELE_GET_INFO_REQ, ELE_GET_INFO_REQ_MSG_SZ,
    58					  true);
    59		if (ret)
    60			goto exit;
    61	
    62		tx_msg->data[0] = upper_32_bits(get_info_addr);
    63		tx_msg->data[1] = lower_32_bits(get_info_addr);
    64		tx_msg->data[2] = sizeof(*s_info);
    65		ret = ele_msg_send_rcv(priv, tx_msg, ELE_GET_INFO_REQ_MSG_SZ, rx_msg,
    66				       ELE_GET_INFO_RSP_MSG_SZ);
    67		if (ret < 0)
    68			goto exit;
    69	
    70		ret = se_val_rsp_hdr_n_status(priv, rx_msg, ELE_GET_INFO_REQ,
    71					      ELE_GET_INFO_RSP_MSG_SZ, true);
    72	
    73		memcpy(s_info, get_info_data, sizeof(*s_info));
    74	
    75	exit:
    76		if (priv->mem_pool)
  > 77			gen_pool_free(priv->mem_pool, (u64)get_info_data,
    78				      ELE_GET_INFO_BUFF_SZ);
    79		else
    80			dma_free_coherent(priv->dev, ELE_GET_INFO_BUFF_SZ,
    81					  get_info_data, get_info_addr);
    82	
    83		kfree(tx_msg);
    84		kfree(rx_msg);
    85		return ret;
    86	}
    87	

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