Re: [PATCH v6 10/19] s390: mm: Convert to GENERIC_IOREMAP

[kernel test robot <lkp@intel.com>]

Hi Baoquan,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]

url:    https://github.com/intel-lab-lkp/linux/commits/Baoquan-He/asm-generic-iomap-h-remove-ARCH_HAS_IOREMAP_xx-macros/20230609-160014
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20230609075528.9390-11-bhe%40redhat.com
patch subject: [PATCH v6 10/19] s390: mm: Convert to GENERIC_IOREMAP
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20230610/202306100146.Eag3T7hY-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add akpm-mm https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git
        git fetch akpm-mm mm-everything
        git checkout akpm-mm/mm-everything
        b4 shazam https://lore.kernel.org/r/20230609075528.9390-11-bhe@redhat.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=s390 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash drivers/net/arcnet/ drivers/net/ethernet/8390/ drivers/net/ethernet/fujitsu/ drivers/net/ethernet/smsc/ drivers/net/ethernet/xircom/ drivers/pcmcia/ drivers/tty/ipwireless/

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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306100146.Eag3T7hY-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   In file included from include/linux/io.h:13,
                    from include/linux/pci.h:39,
                    from drivers/pcmcia/cistpl.c:21:
   drivers/pcmcia/cistpl.c: In function 'release_cis_mem':
>> arch/s390/include/asm/io.h:29:17: error: implicit declaration of function 'iounmap'; did you mean 'vunmap'? [-Werror=implicit-function-declaration]
      29 | #define iounmap iounmap
         |                 ^~~~~~~
   drivers/pcmcia/cistpl.c:72:17: note: in expansion of macro 'iounmap'
      72 |                 iounmap(s->cis_virt);
         |                 ^~~~~~~
   drivers/pcmcia/cistpl.c: In function 'set_cis_map':
>> drivers/pcmcia/cistpl.c:103:31: error: implicit declaration of function 'ioremap'; did you mean 'iounmap'? [-Werror=implicit-function-declaration]
     103 |                 s->cis_virt = ioremap(mem->res->start, s->map_size);
         |                               ^~~~~~~
         |                               iounmap
>> drivers/pcmcia/cistpl.c:103:29: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     103 |                 s->cis_virt = ioremap(mem->res->start, s->map_size);
         |                             ^
   drivers/pcmcia/cistpl.c:118:29: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     118 |                 s->cis_virt = ioremap(mem->static_start, s->map_size);
         |                             ^
   cc1: some warnings being treated as errors
--
   drivers/net/arcnet/com90xx.c: In function 'com90xx_probe':
>> drivers/net/arcnet/com90xx.c:225:24: error: implicit declaration of function 'ioremap'; did you mean 'ifr_map'? [-Werror=implicit-function-declaration]
     225 |                 base = ioremap(*p, MIRROR_SIZE);
         |                        ^~~~~~~
         |                        ifr_map
>> drivers/net/arcnet/com90xx.c:225:22: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     225 |                 base = ioremap(*p, MIRROR_SIZE);
         |                      ^
   In file included from include/linux/scatterlist.h:9,
                    from include/linux/dma-mapping.h:10,
                    from include/linux/skbuff.h:28,
                    from include/net/net_namespace.h:43,
                    from include/linux/netdevice.h:38,
                    from drivers/net/arcnet/com90xx.c:36:
>> arch/s390/include/asm/io.h:29:17: error: implicit declaration of function 'iounmap'; did you mean 'vunmap'? [-Werror=implicit-function-declaration]
      29 | #define iounmap iounmap
         |                 ^~~~~~~
   drivers/net/arcnet/com90xx.c:260:17: note: in expansion of macro 'iounmap'
     260 |                 iounmap(base);
         |                 ^~~~~~~
   drivers/net/arcnet/com90xx.c: In function 'check_mirror':
   drivers/net/arcnet/com90xx.c:444:11: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     444 |         p = ioremap(addr, size);
         |           ^
   drivers/net/arcnet/com90xx.c: In function 'com90xx_found':
   drivers/net/arcnet/com90xx.c:526:23: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     526 |         lp->mem_start = ioremap(dev->mem_start,
         |                       ^
   cc1: some warnings being treated as errors
--
   drivers/net/arcnet/arc-rimi.c: In function 'check_mirror':
>> drivers/net/arcnet/arc-rimi.c:107:13: error: implicit declaration of function 'ioremap'; did you mean 'ifr_map'? [-Werror=implicit-function-declaration]
     107 |         p = ioremap(addr, size);
         |             ^~~~~~~
         |             ifr_map
>> drivers/net/arcnet/arc-rimi.c:107:11: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     107 |         p = ioremap(addr, size);
         |           ^
   In file included from include/linux/scatterlist.h:9,
                    from include/linux/dma-mapping.h:10,
                    from include/linux/skbuff.h:28,
                    from include/net/net_namespace.h:43,
                    from include/linux/netdevice.h:38,
                    from drivers/net/arcnet/arc-rimi.c:35:
>> arch/s390/include/asm/io.h:29:17: error: implicit declaration of function 'iounmap'; did you mean 'vunmap'? [-Werror=implicit-function-declaration]
      29 | #define iounmap iounmap
         |                 ^~~~~~~
   drivers/net/arcnet/arc-rimi.c:113:17: note: in expansion of macro 'iounmap'
     113 |                 iounmap(p);
         |                 ^~~~~~~
   drivers/net/arcnet/arc-rimi.c: In function 'arcrimi_found':
   drivers/net/arcnet/arc-rimi.c:131:11: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     131 |         p = ioremap(dev->mem_start, MIRROR_SIZE);
         |           ^
   drivers/net/arcnet/arc-rimi.c:202:23: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     202 |         lp->mem_start = ioremap(dev->mem_start,
         |                       ^
   cc1: some warnings being treated as errors
--
   drivers/net/ethernet/8390/pcnet_cs.c: In function 'get_hwinfo':
>> drivers/net/ethernet/8390/pcnet_cs.c:291:12: error: implicit declaration of function 'ioremap'; did you mean 'ifr_map'? [-Werror=implicit-function-declaration]
     291 |     virt = ioremap(link->resource[2]->start,
         |            ^~~~~~~
         |            ifr_map
>> drivers/net/ethernet/8390/pcnet_cs.c:291:10: warning: assignment to 'u_char *' {aka 'unsigned char *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
     291 |     virt = ioremap(link->resource[2]->start,
         |          ^
   In file included from include/linux/scatterlist.h:9,
                    from include/linux/dma-mapping.h:10,
                    from include/linux/skbuff.h:28,
                    from include/net/net_namespace.h:43,
                    from include/linux/netdevice.h:38,
                    from drivers/net/ethernet/8390/pcnet_cs.c:39:
>> arch/s390/include/asm/io.h:29:17: error: implicit declaration of function 'iounmap'; did you mean 'vunmap'? [-Werror=implicit-function-declaration]
      29 | #define iounmap iounmap
         |                 ^~~~~~~
   drivers/net/ethernet/8390/pcnet_cs.c:312:5: note: in expansion of macro 'iounmap'
     312 |     iounmap(virt);
         |     ^~~~~~~
   drivers/net/ethernet/8390/pcnet_cs.c: In function 'setup_shmem_window':
>> drivers/net/ethernet/8390/pcnet_cs.c:1441:16: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
    1441 |     info->base = ioremap(link->resource[3]->start,
         |                ^
   cc1: some warnings being treated as errors
--
   drivers/net/ethernet/fujitsu/fmvj18x_cs.c: In function 'fmvj18x_get_hwinfo':
>> drivers/net/ethernet/fujitsu/fmvj18x_cs.c:549:12: error: implicit declaration of function 'ioremap'; did you mean 'iounmap'? [-Werror=implicit-function-declaration]
     549 |     base = ioremap(link->resource[2]->start, resource_size(link->resource[2]));
         |            ^~~~~~~
         |            iounmap
>> drivers/net/ethernet/fujitsu/fmvj18x_cs.c:549:10: warning: assignment to 'u_char *' {aka 'unsigned char *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
     549 |     base = ioremap(link->resource[2]->start, resource_size(link->resource[2]));
         |          ^
   In file included from include/linux/scatterlist.h:9,
                    from include/linux/dma-mapping.h:10,
                    from include/linux/skbuff.h:28,
                    from include/linux/if_ether.h:19,
                    from include/linux/ethtool.h:18,
                    from drivers/net/ethernet/fujitsu/fmvj18x_cs.c:45:
>> arch/s390/include/asm/io.h:29:17: error: implicit declaration of function 'iounmap'; did you mean 'vunmap'? [-Werror=implicit-function-declaration]
      29 | #define iounmap iounmap
         |                 ^~~~~~~
   drivers/net/ethernet/fujitsu/fmvj18x_cs.c:579:5: note: in expansion of macro 'iounmap'
     579 |     iounmap(base);
         |     ^~~~~~~
   drivers/net/ethernet/fujitsu/fmvj18x_cs.c: In function 'fmvj18x_setup_mfc':
   drivers/net/ethernet/fujitsu/fmvj18x_cs.c:600:14: warning: assignment to 'u_char *' {aka 'unsigned char *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
     600 |     lp->base = ioremap(link->resource[3]->start,
         |              ^
   cc1: some warnings being treated as errors
--
   drivers/tty/ipwireless/main.c: In function 'ipwireless_probe':
>> drivers/tty/ipwireless/main.c:115:30: error: implicit declaration of function 'ioremap'; did you mean 'iounmap'? [-Werror=implicit-function-declaration]
     115 |         ipw->common_memory = ioremap(p_dev->resource[2]->start,
         |                              ^~~~~~~
         |                              iounmap
>> drivers/tty/ipwireless/main.c:115:28: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     115 |         ipw->common_memory = ioremap(p_dev->resource[2]->start,
         |                            ^
   drivers/tty/ipwireless/main.c:139:26: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     139 |         ipw->attr_memory = ioremap(p_dev->resource[3]->start,
         |                          ^
   In file included from include/linux/io.h:13,
                    from drivers/tty/ipwireless/main.c:26:
>> arch/s390/include/asm/io.h:29:17: error: implicit declaration of function 'iounmap'; did you mean 'vunmap'? [-Werror=implicit-function-declaration]
      29 | #define iounmap iounmap
         |                 ^~~~~~~
   drivers/tty/ipwireless/main.c:155:9: note: in expansion of macro 'iounmap'
     155 |         iounmap(ipw->attr_memory);
         |         ^~~~~~~
   cc1: some warnings being treated as errors
--
   drivers/net/ethernet/smsc/smc91c92_cs.c: In function 'mhz_mfc_config':
>> drivers/net/ethernet/smsc/smc91c92_cs.c:447:17: error: implicit declaration of function 'ioremap'; did you mean 'ifr_map'? [-Werror=implicit-function-declaration]
     447 |     smc->base = ioremap(link->resource[2]->start,
         |                 ^~~~~~~
         |                 ifr_map
>> drivers/net/ethernet/smsc/smc91c92_cs.c:447:15: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     447 |     smc->base = ioremap(link->resource[2]->start,
         |               ^
   In file included from include/linux/scatterlist.h:9,
                    from include/linux/dma-mapping.h:10,
                    from include/linux/skbuff.h:28,
                    from include/net/net_namespace.h:43,
                    from include/linux/netdevice.h:38,
                    from drivers/net/ethernet/smsc/smc91c92_cs.c:38:
   drivers/net/ethernet/smsc/smc91c92_cs.c: In function 'smc91c92_release':
>> arch/s390/include/asm/io.h:29:17: error: implicit declaration of function 'iounmap'; did you mean 'vunmap'? [-Werror=implicit-function-declaration]
      29 | #define iounmap iounmap
         |                 ^~~~~~~
   drivers/net/ethernet/smsc/smc91c92_cs.c:962:17: note: in expansion of macro 'iounmap'
     962 |                 iounmap(smc->base);
         |                 ^~~~~~~
   cc1: some warnings being treated as errors
--
   drivers/net/ethernet/xircom/xirc2ps_cs.c: In function 'xirc2ps_config':
>> drivers/net/ethernet/xircom/xirc2ps_cs.c:843:28: error: implicit declaration of function 'ioremap'; did you mean 'iounmap'? [-Werror=implicit-function-declaration]
     843 |         local->dingo_ccr = ioremap(link->resource[2]->start, 0x1000) + 0x0800;
         |                            ^~~~~~~
         |                            iounmap
>> drivers/net/ethernet/xircom/xirc2ps_cs.c:843:26: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     843 |         local->dingo_ccr = ioremap(link->resource[2]->start, 0x1000) + 0x0800;
         |                          ^
   In file included from include/linux/scatterlist.h:9,
                    from include/linux/dma-mapping.h:10,
                    from include/linux/skbuff.h:28,
                    from include/linux/if_ether.h:19,
                    from include/linux/ethtool.h:18,
                    from drivers/net/ethernet/xircom/xirc2ps_cs.c:77:
   drivers/net/ethernet/xircom/xirc2ps_cs.c: In function 'xirc2ps_release':
>> arch/s390/include/asm/io.h:29:17: error: implicit declaration of function 'iounmap'; did you mean 'vunmap'? [-Werror=implicit-function-declaration]
      29 | #define iounmap iounmap
         |                 ^~~~~~~
   drivers/net/ethernet/xircom/xirc2ps_cs.c:934:25: note: in expansion of macro 'iounmap'
     934 |                         iounmap(local->dingo_ccr - 0x0800);
         |                         ^~~~~~~
   cc1: some warnings being treated as errors


vim +29 arch/s390/include/asm/io.h

    24	
    25	/*
    26	 * I/O memory mapping functions.
    27	 */
    28	#define ioremap_prot ioremap_prot
  > 29	#define iounmap iounmap
    30	

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