[PATCH v3 05/13] sh: Fix set but not used warnings with !CONFIG_MMU

[kernel test robot]

Hi Sam,

I love your patch! Yet something to improve:

[auto build test ERROR on next-20201204]
[also build test ERROR on v5.10-rc6]
[cannot apply to tegra-drm/drm/tegra/for-next soc/for-next linus/master drm/drm-next v5.10-rc6 v5.10-rc5 v5.10-rc4]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Sam-Ravnborg/drivers-video-W-1-warning-fixes/20201207-030414
base:    2996bd3f6ca9ea529b40c369a94b247657abdb4d
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/9c4170037512dc3810cd88f57e3c3a442304b7cf
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Sam-Ravnborg/drivers-video-W-1-warning-fixes/20201207-030414
        git checkout 9c4170037512dc3810cd88f57e3c3a442304b7cf
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

   In file included from include/linux/io.h:13,
                    from include/linux/irq.h:20,
                    from include/asm-generic/hardirq.h:17,
                    from arch/sh/include/asm/hardirq.h:9,
                    from include/linux/hardirq.h:10,
                    from include/linux/interrupt.h:11,
                    from drivers/net/ethernet/xircom/xirc2ps_cs.c:74:
   drivers/net/ethernet/xircom/xirc2ps_cs.c: In function 'xirc2ps_release':
>> arch/sh/include/asm/io.h:274:29: error: void value not ignored as it ought to be
     274 | #define iounmap(addr)  do { (void)addr; } while (0)
   drivers/net/ethernet/xircom/xirc2ps_cs.c:935:4: note: in expansion of macro 'iounmap'
     935 |    iounmap(local->dingo_ccr - 0x0800);
         |    ^~~~~~~

vim +274 arch/sh/include/asm/io.h

   272	
   273	#else /* CONFIG_MMU */
 > 274	#define iounmap(addr)		do { (void)addr; } while (0)
   275	#define ioremap(offset, size)	((void __iomem *)(unsigned long)(offset))
   276	#endif /* CONFIG_MMU */
   277	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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