[chanwoo:devfreq-testing-sysfs 9/9] drivers/scsi/ufs/ufshcd.h:583:38: error: field has incomplete type 'struct devfreq_simple_ondemand_data'

[chanwoo:devfreq-testing-sysfs 9/9] drivers/scsi/ufs/ufshcd.h:583:38: error: field has incomplete type 'struct devfreq_simple_ondemand_data'

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git devfreq-testing-sysfs
head:   e9ab52ecbc2f666dcb69c7c4aafcf4efadd46e8e
commit: e9ab52ecbc2f666dcb69c7c4aafcf4efadd46e8e [9/9] PM / devfreq: Add new up_threshold and down_differential sysfs attribute
config: x86_64-randconfig-a011-20200928 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 6d374cf78c8a80a0bbfc7ce9bc80b3f183f44c80)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git/commit/?id=e9ab52ecbc2f666dcb69c7c4aafcf4efadd46e8e
        git remote add chanwoo https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git
        git fetch --no-tags chanwoo devfreq-testing-sysfs
        git checkout e9ab52ecbc2f666dcb69c7c4aafcf4efadd46e8e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

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

   In file included from drivers/scsi/ufs/tc-dwc-g210-pltfrm.c:16:
   In file included from drivers/scsi/ufs/ufshcd-pltfrm.h:8:
>> drivers/scsi/ufs/ufshcd.h:583:38: error: field has incomplete type 'struct devfreq_simple_ondemand_data'
           struct devfreq_simple_ondemand_data ondemand_data;
                                               ^
   drivers/scsi/ufs/ufshcd.h:583:9: note: forward declaration of 'struct devfreq_simple_ondemand_data'
           struct devfreq_simple_ondemand_data ondemand_data;
                  ^
   1 error generated.
--
   In file included from drivers/scsi/ufs/ufshcd.c:18:
>> drivers/scsi/ufs/ufshcd.h:583:38: error: field has incomplete type 'struct devfreq_simple_ondemand_data'
           struct devfreq_simple_ondemand_data ondemand_data;
                                               ^
   drivers/scsi/ufs/ufshcd.h:583:9: note: forward declaration of 'struct devfreq_simple_ondemand_data'
           struct devfreq_simple_ondemand_data ondemand_data;
                  ^
>> drivers/scsi/ufs/ufshcd.c:8716:44: warning: shift count >= width of type [-Wshift-count-overflow]
                   if (!dma_set_mask_and_coherent(hba->dev, DMA_BIT_MASK(64)))
                                                            ^~~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:139:54: note: expanded from macro 'DMA_BIT_MASK'
   #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
                                                        ^ ~~~
   1 warning and 1 error generated.

vim +583 drivers/scsi/ufs/ufshcd.h

c2014682d03d80 Stanley Chu 2020-03-18  580  
90b8491c003391 Stanley Chu 2020-05-09  581  struct ufs_hba_variant_params {
90b8491c003391 Stanley Chu 2020-05-09  582  	struct devfreq_dev_profile devfreq_profile;
90b8491c003391 Stanley Chu 2020-05-09 @583  	struct devfreq_simple_ondemand_data ondemand_data;
90b8491c003391 Stanley Chu 2020-05-09  584  	u16 hba_enable_delay_us;
d14734ae3ae79d Stanley Chu 2020-05-09  585  	u32 wb_flush_threshold;
90b8491c003391 Stanley Chu 2020-05-09  586  };
90b8491c003391 Stanley Chu 2020-05-09  587  

:::::: The code@line 583 was first introduced by commit
:::::: 90b8491c0033915ec1b290bc1c0de27935cb132d scsi: ufs: Introduce ufs_hba_variant_params to group customizable parameters

:::::: TO: Stanley Chu <stanley.chu@mediatek.com>
:::::: CC: Martin K. Petersen <martin.petersen@oracle.com>

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

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