[linux-next:master 13371/14231] drivers/spi/spi-stm32-qspi.c:481:76: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int')

[linux-next:master 13371/14231] drivers/spi/spi-stm32-qspi.c:481:76: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int')

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   b74523885a715463203d4ccc3cf8c85952d3701a
commit: 1b8a7d4282c038b3846f2485d86cb990c55c38d9 [13371/14231] spi: stm32-qspi: Fix compilation warning in ARM64
config: mips-randconfig-r031-20210421 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d87b9b81ccb95217181ce75515c6c68bbb408ca4)
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
        # install mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=1b8a7d4282c038b3846f2485d86cb990c55c38d9
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 1b8a7d4282c038b3846f2485d86cb990c55c38d9
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=mips 

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

All warnings (new ones prefixed by >>):

>> drivers/spi/spi-stm32-qspi.c:481:76: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat]
           dev_dbg(qspi->dev, "%s len = 0x%lx offs = 0x%llx buf = 0x%p\n", __func__, len, offs, buf);
                                          ~~~                                        ^~~
                                          %x
   include/linux/dev_printk.h:131:47: note: expanded from macro 'dev_dbg'
                   dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \
                                                       ~~~     ^~~~~~~~~~~
   1 warning generated.


vim +481 drivers/spi/spi-stm32-qspi.c

   460	
   461	static ssize_t stm32_qspi_dirmap_read(struct spi_mem_dirmap_desc *desc,
   462					      u64 offs, size_t len, void *buf)
   463	{
   464		struct stm32_qspi *qspi = spi_controller_get_devdata(desc->mem->spi->master);
   465		struct spi_mem_op op;
   466		u32 addr_max;
   467		int ret;
   468	
   469		ret = pm_runtime_get_sync(qspi->dev);
   470		if (ret < 0) {
   471			pm_runtime_put_noidle(qspi->dev);
   472			return ret;
   473		}
   474	
   475		mutex_lock(&qspi->lock);
   476		/* make a local copy of desc op_tmpl and complete dirmap rdesc
   477		 * spi_mem_op template with offs, len and *buf in  order to get
   478		 * all needed transfer information into struct spi_mem_op
   479		 */
   480		memcpy(&op, &desc->info.op_tmpl, sizeof(struct spi_mem_op));
 > 481		dev_dbg(qspi->dev, "%s len = 0x%lx offs = 0x%llx buf = 0x%p\n", __func__, len, offs, buf);
   482	
   483		op.data.nbytes = len;
   484		op.addr.val = desc->info.offset + offs;
   485		op.data.buf.in = buf;
   486	
   487		addr_max = op.addr.val + op.data.nbytes + 1;
   488		if (addr_max < qspi->mm_size && op.addr.buswidth)
   489			qspi->fmode = CCR_FMODE_MM;
   490		else
   491			qspi->fmode = CCR_FMODE_INDR;
   492	
   493		ret = stm32_qspi_send(desc->mem, &op);
   494		mutex_unlock(&qspi->lock);
   495	
   496		pm_runtime_mark_last_busy(qspi->dev);
   497		pm_runtime_put_autosuspend(qspi->dev);
   498	
   499		return ret ?: len;
   500	}
   501	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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