Hi Bhaumik,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on next-20200512]
[cannot apply to linus/master v5.7-rc5 v5.7-rc4 v5.7-rc3 v5.7-rc5]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    
https://github.com/0day-ci/linux/commits/Bhaumik-Bhatt/Introduce-features-and-debugfs-sysfs-entries-for-MHI/20200513-014548
base:    e098d7762d602be640c53565ceca342f81e55ad2
config: m68k-allyesconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
reproduce:
        wget 
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=m68k 

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

All warnings (new ones prefixed by >>):

drivers/bus/mhi/core/debugfs.c: In function 'mhi_debugfs_events_show':
>> drivers/bus/mhi/core/debugfs.c:71:33: warning: cast from pointer to integer 
>> of different size [-Wpointer-to-int-cast]
71 |       er_ctxt->rp, er_ctxt->wp, (u64)ring->rp,
|                                 ^
>> drivers/bus/mhi/core/debugfs.c:70:53: warning: format '%llx' expects 
>> argument of type 'long long unsigned int', but argument 6 has type 
>> 'dma_addr_t' {aka 'unsigned int'} [-Wformat=]
70 |       " rp:0x%llx wp:0x%llx local rp:0x%llx db:0x%llxn",
|                                                  ~~~^
|                                                     |
|                                                     long long unsigned int
|                                                  %x
71 |       er_ctxt->rp, er_ctxt->wp, (u64)ring->rp,
72 |       mhi_event->db_cfg.db_val);
|       ~~~~~~~~~~~~~~~~~~~~~~~~
|                        |
|                        dma_addr_t {aka unsigned int}
drivers/bus/mhi/core/debugfs.c: In function 'mhi_debugfs_channels_show':
drivers/bus/mhi/core/debugfs.c:119:7: warning: cast from pointer to integer of 
different size [-Wpointer-to-int-cast]
119 |       (u64)ring->rp, (u64)ring->wp,
|       ^
drivers/bus/mhi/core/debugfs.c:119:22: warning: cast from pointer to integer of 
different size [-Wpointer-to-int-cast]
119 |       (u64)ring->rp, (u64)ring->wp,
|                      ^
drivers/bus/mhi/core/debugfs.c:118:59: warning: format '%llx' expects argument 
of type 'long long unsigned int', but argument 5 has type 'dma_addr_t' {aka 
'unsigned int'} [-Wformat=]
118 |   seq_printf(m, " local rp:0x%llx local wp:0x%llx db:0x%llxn",
|                                                        ~~~^
|                                                           |
|                                                           long long unsigned 
int
|                                                        %x
119 |       (u64)ring->rp, (u64)ring->wp,
120 |       mhi_chan->db_cfg.db_val);
|       ~~~~~~~~~~~~~~~~~~~~~~~
|                       |
|                       dma_addr_t {aka unsigned int}
drivers/bus/mhi/core/debugfs.c: In function 'mhi_debugfs_trigger_reset':
drivers/bus/mhi/core/debugfs.c:294:2: error: implicit declaration of function 
'mhi_pm_sys_err_handler'; did you mean 'mhi_pm_sys_err_worker'? 
[-Werror=implicit-function-declaration]
294 |  mhi_pm_sys_err_handler(mhi_cntrl);
|  ^~~~~~~~~~~~~~~~~~~~~~
|  mhi_pm_sys_err_worker
cc1: some warnings being treated as errors

vim +71 drivers/bus/mhi/core/debugfs.c

    36  
    37  static int mhi_debugfs_events_show(struct seq_file *m, void *d)
    38  {
    39          struct mhi_controller *mhi_cntrl = m->private;
    40          struct mhi_event *mhi_event;
    41          struct mhi_event_ctxt *er_ctxt;
    42          int i;
    43  
    44          if (!mhi_is_active(mhi_cntrl)) {
    45                  seq_puts(m, "Device not ready\n");
    46                  return -ENODEV;
    47          }
    48  
    49          er_ctxt = mhi_cntrl->mhi_ctxt->er_ctxt;
    50          mhi_event = mhi_cntrl->mhi_event;
    51          for (i = 0; i < mhi_cntrl->total_ev_rings;
    52                                                  i++, er_ctxt++, 
mhi_event++) {
    53                  struct mhi_ring *ring = &mhi_event->ring;
    54  
    55                  if (mhi_event->offload_ev) {
    56                          seq_printf(m, "Index:%d is an offload event 
ring\n", i);
    57                          continue;
    58                  }
    59  
    60                  seq_printf(m, "Index:%d intmod count:%lu time:%lu",
    61                             i, (er_ctxt->intmod & EV_CTX_INTMODC_MASK) >>
    62                             EV_CTX_INTMODC_SHIFT,
    63                             (er_ctxt->intmod & EV_CTX_INTMODT_MASK) >>
    64                             EV_CTX_INTMODT_SHIFT);
    65  
    66                  seq_printf(m, " base:0x%0llx len:0x%llx", 
er_ctxt->rbase,
    67                             er_ctxt->rlen);
    68  
    69                  seq_printf(m,
  > 70                             " rp:0x%llx wp:0x%llx local rp:0x%llx 
db:0x%llx\n",
  > 71                             er_ctxt->rp, er_ctxt->wp, (u64)ring->rp,
    72                             mhi_event->db_cfg.db_val);
    73          }
    74  
    75          return 0;
    76  }
    77  

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

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