Subject: linux-next: build warning after merge of the spi tree

From: Stephen Rothwell <[email-masked]>
Date: Tue, 20 Apr 2021 13:48:34 +1000

Hi all,

After merging the spi tree, today's linux-next build (x86_64 allmodconfig)
produced this warning:

In file included from include/linux/printk.h:409,
                 from include/linux/kernel.h:16,
                 from include/linux/clk.h:13,
                 from drivers/spi/spi-stm32-qspi.c:7:
drivers/spi/spi-stm32-qspi.c: In function 'stm32_qspi_dirmap_read':
drivers/spi/spi-stm32-qspi.c:481:21: warning: format '%x' expects argument of type 'unsigned int', but argument 5 has type 'size_t' {aka 'long unsigned int'} [-Wformat=]
  481 |  dev_dbg(qspi->dev, "%s len = 0x%x offs = 0x%llx buf = 0x%p\n", __func__, len, offs, buf);
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:129:15: note: in definition of macro '__dynamic_func_call'
  129 |   func(&id, ##__VA_ARGS__);  \
      |               ^~~~~~~~~~~
include/linux/dynamic_debug.h:161:2: note: in expansion of macro '_dynamic_func_call'
  161 |  _dynamic_func_call(fmt,__dynamic_dev_dbg,   \
      |  ^~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:123:2: note: in expansion of macro 'dynamic_dev_dbg'
  123 |  dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
      |  ^~~~~~~~~~~~~~~
include/linux/dev_printk.h:123:23: note: in expansion of macro 'dev_fmt'
  123 |  dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
      |                       ^~~~~~~
drivers/spi/spi-stm32-qspi.c:481:2: note: in expansion of macro 'dev_dbg'
  481 |  dev_dbg(qspi->dev, "%s len = 0x%x offs = 0x%llx buf = 0x%p\n", __func__, len, offs, buf);
      |  ^~~~~~~
drivers/spi/spi-stm32-qspi.c:481:34: note: format string is defined here
  481 |  dev_dbg(qspi->dev, "%s len = 0x%x offs = 0x%llx buf = 0x%p\n", __func__, len, offs, buf);
      |                                 ~^
      |                                  |
      |                                  unsigned int
      |                                 %lx

Introduced by commit

  18674dee3cd6 ("spi: stm32-qspi: Add dirmap support")

-- 
Cheers,
Stephen Rothwell