[linux-next:master 9410/14447] arch/s390/include/asm/io.h:30:22: warning: initialization of 'void *' from 'int' makes pointer from integer without a cast

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   5e6de6a2b522f659defacb1551d0465ba6ce13cf
commit: 0b0379fcf9ce395bb51cadb6552ec3b1380436bb [9410/14447] remoteproc: qcom: pas: Map/unmap subsystem region before auth_and_reset
config: s390-randconfig-r122-20260813 (https://download.01.org/0day-ci/archive/20260813/[email protected]/config)
compiler: s390-linux-gcc (GCC) 11.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260813/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All warnings (new ones prefixed by >>):

   In file included from include/linux/scatterlist.h:9,
                    from include/linux/dma-mapping.h:8,
                    from drivers/firmware/qcom/qcom_scm.c:13:
   include/linux/firmware/qcom/qcom_pas.h: In function 'qcom_pas_ctx_map':
   arch/s390/include/asm/io.h:30:22: error: implicit declaration of function 'ioremap_prot'; did you mean 'ioremap_np'? [-Werror=implicit-function-declaration]
      30 | #define ioremap_prot ioremap_prot
         |                      ^~~~~~~~~~~~
   arch/s390/include/asm/io.h:36:9: note: in expansion of macro 'ioremap_prot'
      36 |         ioremap_prot((addr), (size), pgprot_writecombine(PAGE_KERNEL))
         |         ^~~~~~~~~~~~
   include/linux/firmware/qcom/qcom_pas.h:29:29: note: in expansion of macro 'ioremap_wc'
      29 |         void __iomem *ptr = ioremap_wc(ctx->mem_phys, ctx->mem_size);
         |                             ^~~~~~~~~~
>> arch/s390/include/asm/io.h:30:22: warning: initialization of 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
      30 | #define ioremap_prot ioremap_prot
         |                      ^~~~~~~~~~~~
   arch/s390/include/asm/io.h:36:9: note: in expansion of macro 'ioremap_prot'
      36 |         ioremap_prot((addr), (size), pgprot_writecombine(PAGE_KERNEL))
         |         ^~~~~~~~~~~~
   include/linux/firmware/qcom/qcom_pas.h:29:29: note: in expansion of macro 'ioremap_wc'
      29 |         void __iomem *ptr = ioremap_wc(ctx->mem_phys, ctx->mem_size);
         |                             ^~~~~~~~~~
   cc1: some warnings being treated as errors


vim +30 arch/s390/include/asm/io.h

cd24834130ac65 Jan Glauber 2012-11-29  26  
b43b3fff042d08 Baoquan He  2023-07-06  27  /*
b43b3fff042d08 Baoquan He  2023-07-06  28   * I/O memory mapping functions.
b43b3fff042d08 Baoquan He  2023-07-06  29   */
b43b3fff042d08 Baoquan He  2023-07-06 @30  #define ioremap_prot ioremap_prot
b43b3fff042d08 Baoquan He  2023-07-06  31  #define iounmap iounmap
b43b3fff042d08 Baoquan He  2023-07-06  32  

:::::: The code at line 30 was first introduced by commit
:::::: b43b3fff042d08a0bcc0a6d87c3216b44860298e s390: mm: convert to GENERIC_IOREMAP

:::::: TO: Baoquan He <[email protected]>
:::::: CC: Andrew Morton <[email protected]>

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