Subject: linux-next: build failure after merge of the dmaengine tree

From: Stephen Rothwell <[email-masked]>
Date: Fri, 10 Jun 2022 12:46:26 +1000

Hi all,

After merging the dmaengine tree, today's linux-next build (x86_64
allmodconfig) failed like this:

In file included from include/linux/printk.h:584,
                 from include/linux/kernel.h:29,
                 from arch/x86/include/asm/percpu.h:27,
                 from arch/x86/include/asm/current.h:6,
                 from include/linux/sched.h:12,
                 from include/linux/ratelimit.h:6,
                 from include/linux/dev_printk.h:16,
                 from include/linux/device.h:15,
                 from drivers/dma/apple-admac.c:10:
drivers/dma/apple-admac.c: In function 'admac_cyclic_write_one_desc':
drivers/dma/apple-admac.c:209:26: error: format '%x' expects argument of type 'unsigned int', but argument 7 has type 'long unsigned int' [-Werror=format=]
  209 |         dev_dbg(ad->dev, "ch%d descriptor: addr=0x%pad len=0x%zx flags=0x%x\n",
      |                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:134:29: note: in definition of macro '__dynamic_func_call'
  134 |                 func(&id, ##__VA_ARGS__);               \
      |                             ^~~~~~~~~~~
include/linux/dynamic_debug.h:166:9: note: in expansion of macro '_dynamic_func_call'
  166 |         _dynamic_func_call(fmt,__dynamic_dev_dbg,               \
      |         ^~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:155:9: note: in expansion of macro 'dynamic_dev_dbg'
  155 |         dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
      |         ^~~~~~~~~~~~~~~
include/linux/dev_printk.h:155:30: note: in expansion of macro 'dev_fmt'
  155 |         dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
      |                              ^~~~~~~
drivers/dma/apple-admac.c:209:9: note: in expansion of macro 'dev_dbg'
  209 |         dev_dbg(ad->dev, "ch%d descriptor: addr=0x%pad len=0x%zx flags=0x%x\n",
      |         ^~~~~~~
drivers/dma/apple-admac.c:209:75: note: format string is defined here
  209 |         dev_dbg(ad->dev, "ch%d descriptor: addr=0x%pad len=0x%zx flags=0x%x\n",
      |                                                                          ~^
      |                                                                           |
      |                                                                           unsigned int
      |                                                                          %lx
cc1: all warnings being treated as errors

Caused by commit

  b127315d9a78 ("dmaengine: apple-admac: Add Apple ADMAC driver")

I have used the dmaengine tree from next-20220609 for today.

-- 
Cheers,
Stephen Rothwell