Re: [PATCH v3 2/2] phy: Realtek Otto SerDes driver

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Hi Markus,

kernel test robot noticed the following build warnings:

[auto build test WARNING on robh/for-next]
[also build test WARNING on linus/master v6.12-rc3 next-20241015]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Markus-Stockhausen/dt-bindings-phy-add-realtek-rtl8380m-serdes/20241012-214949
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20241012134834.1306992-3-markus.stockhausen%40gmx.de
patch subject: [PATCH v3 2/2] phy: Realtek Otto SerDes driver
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20241016/202410160149.TNGsZcue-lkp@xxxxxxxxx/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241016/202410160149.TNGsZcue-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410160149.TNGsZcue-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/phy/realtek/phy-rtk-otto-serdes.c:120:12: warning: format specifies type 'int' but the argument has type 'size_t' (aka 'unsigned long') [-Wformat]
     119 |         dev_info(ctrl->dev, "firmware %s: loaded with %d bytes, %d sequences\n",
         |                                                       ~~
         |                                                       %zu
     120 |                  fwname, ctrl->firmware->size, h->dirsize);
         |                          ^~~~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:160:67: note: expanded from macro 'dev_info'
     160 |         dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                                  ~~~     ^~~~~~~~~~~
   include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                              ~~~    ^~~~~~~~~~~
   1 warning generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for MODVERSIONS
   Depends on [n]: MODULES [=y] && !COMPILE_TEST [=y]
   Selected by [y]:
   - RANDSTRUCT_FULL [=y] && (CC_HAS_RANDSTRUCT [=y] || GCC_PLUGINS [=n]) && MODULES [=y]


vim +120 drivers/phy/realtek/phy-rtk-otto-serdes.c

    71	
    72	static int rtsds_fw_load(struct rtsds_ctrl *ctrl)
    73	{
    74		int ret;
    75		struct rtsds_fw_head *h;
    76		u32 checksum;
    77		const char *msg;
    78		const char *fwprop;
    79		char fwname[128];
    80	
    81		ret = device_property_read_string(ctrl->dev, "firmware-name", &fwprop);
    82		if (ret)
    83			snprintf(fwname, sizeof(fwname), "realtek/%s", ctrl->conf->fwname);
    84		else if (strcmp(fwprop, ""))
    85			snprintf(fwname, sizeof(fwname), "realtek/%s", fwprop);
    86		else {
    87			dev_info(ctrl->dev, "firmware deactivated, patching disabled\n");
    88			return 0;
    89		}
    90	
    91		ret = firmware_request_nowarn(&ctrl->firmware, fwname, ctrl->dev);
    92		if (ret < 0) {
    93			msg = "not found";
    94			goto error;
    95		}
    96	
    97		if (ctrl->firmware->size < 16) {
    98			msg = "size to small";
    99			goto error;
   100		}
   101	
   102		h = (struct rtsds_fw_head *)ctrl->firmware->data;
   103		if (h->magic != RTSDS_FW_MAGIC) {
   104			msg = "magic mismatch";
   105			goto error;
   106		}
   107	
   108		if (h->filesize != ctrl->firmware->size) {
   109			msg = "size mismatch";
   110			goto error;
   111		}
   112	
   113		checksum = ~crc32(0xFFFFFFFFU, ctrl->firmware->data + 8, ctrl->firmware->size - 8);
   114		if (h->checksum != checksum) {
   115			msg = "checksum mismatch";
   116			goto error;
   117		}
   118	
   119		dev_info(ctrl->dev, "firmware %s: loaded with %d bytes, %d sequences\n",
 > 120			 fwname, ctrl->firmware->size, h->dirsize);
   121	
   122		return 0;
   123	error:
   124		dev_err(ctrl->dev, "firmware %s: %s, patching disabled\n", fwname, msg);
   125		ctrl->firmware = NULL;
   126		return -EINVAL;
   127	}
   128	

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




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