linux-next: build warning after merge of the mmc-uh tree

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Hi Ulf,

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

In file included from include/linux/err.h:4:0,
                 from drivers/mmc/core/mmc.c:13:
drivers/mmc/core/mmc.c: In function 'mmc_select_hs400es':
include/linux/err.h:21:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
 #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO)
                                                 ^
include/linux/compiler.h:170:42: note: in definition of macro 'unlikely'
 # define unlikely(x) __builtin_expect(!!(x), 0)
                                          ^
drivers/mmc/core/mmc.c:1244:6: note: in expansion of macro 'IS_ERR_VALUE'
  if (IS_ERR_VALUE(err))
      ^

Introduced by commit

  8141f0ace818 ("mmc: core: implement enhanced strobe support")

I think error values now must be "long".

-- 
Cheers,
Stephen Rothwell
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