Hi Dmitriy,

[auto build test ERROR on wsa/i2c/for-next]
[also build test ERROR on v4.5-rc1 next-20160125]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improving the system]

url:    
https://github.com/0day-ci/linux/commits/Dmitriy-Baranov/i2c-imx-add-slave-support/20160125-225538
base:   https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux i2c/for-next
config: arm-imx_v6_v7_defconfig (attached as .config)
reproduce:
        wget 
https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross
 -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm 

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

   drivers/i2c/busses/i2c-imx.c: In function 'i2c_imx_slave_threadfn':
>> drivers/i2c/busses/i2c-imx.c:696:6: error: implicit declaration of function 
>> 'i2c_slave_event' [-Werror=implicit-function-declaration]
         i2c_slave_event(i2c_imx->slave,
         ^
>> drivers/i2c/busses/i2c-imx.c:697:7: error: 'I2C_SLAVE_READ_REQUESTED' 
>> undeclared (first use in this function)
          I2C_SLAVE_READ_REQUESTED, &data);
          ^
   drivers/i2c/busses/i2c-imx.c:697:7: note: each undeclared identifier is 
reported only once for each function it appears in
>> drivers/i2c/busses/i2c-imx.c:706:7: error: 'I2C_SLAVE_WRITE_REQUESTED' 
>> undeclared (first use in this function)
          I2C_SLAVE_WRITE_REQUESTED, &data);
          ^
>> drivers/i2c/busses/i2c-imx.c:719:8: error: 'I2C_SLAVE_READ_PROCESSED' 
>> undeclared (first use in this function)
           I2C_SLAVE_READ_PROCESSED, &data);
           ^
>> drivers/i2c/busses/i2c-imx.c:744:7: error: 'I2C_SLAVE_WRITE_RECEIVED' 
>> undeclared (first use in this function)
          I2C_SLAVE_WRITE_RECEIVED, &data);
          ^
>> drivers/i2c/busses/i2c-imx.c:755:37: error: 'I2C_SLAVE_STOP' undeclared 
>> (first use in this function)
        i2c_slave_event(i2c_imx->slave, I2C_SLAVE_STOP, &data);
                                        ^
   drivers/i2c/busses/i2c-imx.c: At top level:
>> drivers/i2c/busses/i2c-imx.c:1283:2: error: unknown field 'reg_slave' 
>> specified in initializer
     .reg_slave = i2c_imx_reg_slave,
     ^
>> drivers/i2c/busses/i2c-imx.c:1283:2: warning: excess elements in struct 
>> initializer
   drivers/i2c/busses/i2c-imx.c:1283:2: warning: (near initialization for 
'i2c_imx_algo')
>> drivers/i2c/busses/i2c-imx.c:1284:2: error: unknown field 'unreg_slave' 
>> specified in initializer
     .unreg_slave = i2c_imx_unreg_slave,
     ^
   drivers/i2c/busses/i2c-imx.c:1284:2: warning: excess elements in struct 
initializer
   drivers/i2c/busses/i2c-imx.c:1284:2: warning: (near initialization for 
'i2c_imx_algo')
   cc1: some warnings being treated as errors

vim +/i2c_slave_event +696 drivers/i2c/busses/i2c-imx.c

   690                          status = imx_i2c_read_reg(i2c_imx, 
IMX_I2C_I2SR);
   691                          ctl = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR);
   692  
   693                          if (status & I2SR_IAAS) {
   694                                  if (status & I2SR_SRW) {
   695                                          /* master wants to read from us 
*/
 > 696                                          i2c_slave_event(i2c_imx->slave,
 > 697                                                  
 > I2C_SLAVE_READ_REQUESTED, &data);
   698                                          ctl |= I2CR_MTX;
   699                                          imx_i2c_write_reg(ctl, i2c_imx, 
IMX_I2C_I2CR);
   700  
   701                                          /*send data */
   702                                          imx_i2c_write_reg(data, 
i2c_imx, IMX_I2C_I2DR);
   703                                  } else {
   704                                          dev_dbg(&i2c_imx->adapter.dev, 
"write requested");
   705                                          i2c_slave_event(i2c_imx->slave,
 > 706                                                  
 > I2C_SLAVE_WRITE_REQUESTED, &data);
   707                                          /*slave receive */
   708                                          ctl &= ~I2CR_MTX;
   709                                          imx_i2c_write_reg(ctl, i2c_imx, 
IMX_I2C_I2CR);
   710  
   711                                          /*dummy read */
   712                                          data = 
imx_i2c_read_reg(i2c_imx, IMX_I2C_I2DR);
   713                                  }
   714                          } else {
   715                                  /* slave send */
   716                                  if (ctl & I2CR_MTX) {
   717                                          if (!(status & I2SR_RXAK)) {    
/*ACK received */
   718                                                  
i2c_slave_event(i2c_imx->slave,
 > 719                                                          
 > I2C_SLAVE_READ_PROCESSED, &data);
   720                                                  ctl |= I2CR_MTX;
   721                                                  imx_i2c_write_reg(ctl, 
i2c_imx, IMX_I2C_I2CR);
   722                                                  /*send data */
   723                                                  imx_i2c_write_reg(data, 
i2c_imx, IMX_I2C_I2DR);
   724                                          } else {
   725                                                  /*no ACK. */
   726                                                  /*dummy read */
   727                                                  
dev_dbg(&i2c_imx->adapter.dev, "read requested");
   728                                                  
i2c_slave_event(i2c_imx->slave,
   729                                                          
I2C_SLAVE_READ_REQUESTED, &data);
   730  
   731                                                  ctl &= ~I2CR_MTX;
   732                                                  imx_i2c_write_reg(ctl, 
i2c_imx, IMX_I2C_I2CR);
   733                                                  
imx_i2c_read_reg(i2c_imx, IMX_I2C_I2DR);
   734                                          }
   735                                  } else {        /*read */
   736                                          ctl &= ~I2CR_MTX;
   737                                          imx_i2c_write_reg(ctl, i2c_imx, 
IMX_I2C_I2CR);
   738  
   739                                          /*read */
   740                                          data = 
imx_i2c_read_reg(i2c_imx, IMX_I2C_I2DR);
   741                                          dev_dbg(&i2c_imx->adapter.dev, 
"received %x",
   742                                                  (unsigned int) data);
   743                                          i2c_slave_event(i2c_imx->slave,
 > 744                                                  
 > I2C_SLAVE_WRITE_RECEIVED, &data);
   745                                  }
   746                          }
   747                  }
   748  
   749                  if (atomic_read(&i2c_imx->slave_state) == 
I2C_IMX_SLAVE_POLLING) {
   750                          udelay(50);
   751                          status = imx_i2c_read_reg(i2c_imx, 
IMX_I2C_I2SR);
   752  
   753                          if ((status & I2SR_IBB) == 0) {
   754                                  pr_debug("end of package");
 > 755                                  i2c_slave_event(i2c_imx->slave, 
 > I2C_SLAVE_STOP, &data);
   756                                  atomic_set(&i2c_imx->slave_state, 
I2C_IMX_SLAVE_IDLE);
   757                                  timeout = HZ;
   758                          }

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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