Hi Luis,

[auto build test ERROR on wsa/i2c/for-next]
[also build test ERROR on v4.12-rc4 next-20170608]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:    
https://github.com/0day-ci/linux/commits/Luis-Oliveira/i2c-designware-add-I2C-SLAVE-support/20170609-143533
base:   https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git 
i2c/for-next
config: x86_64-randconfig-x012-201723 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

   drivers/i2c/busses/i2c-designware-slave.c: In function 
'i2c_dw_irq_handler_slave':
>> drivers/i2c/busses/i2c-designware-slave.c:285:3: error: implicit declaration 
>> of function 'i2c_slave_event' [-Werror=implicit-function-declaration]
      i2c_slave_event(dev->slave, I2C_SLAVE_WRITE_REQUESTED, &val);
      ^~~~~~~~~~~~~~~
>> drivers/i2c/busses/i2c-designware-slave.c:285:31: error: 
>> 'I2C_SLAVE_WRITE_REQUESTED' undeclared (first use in this function)
      i2c_slave_event(dev->slave, I2C_SLAVE_WRITE_REQUESTED, &val);
                                  ^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/i2c/busses/i2c-designware-slave.c:285:31: note: each undeclared 
identifier is reported only once for each function it appears in
>> drivers/i2c/busses/i2c-designware-slave.c:293:9: error: 
>> 'I2C_SLAVE_WRITE_RECEIVED' undeclared (first use in this function)
            I2C_SLAVE_WRITE_RECEIVED, &val)) {
            ^~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/i2c/busses/i2c-designware-slave.c:305:8: error: 
>> 'I2C_SLAVE_READ_REQUESTED' undeclared (first use in this function)
           I2C_SLAVE_READ_REQUESTED, &val))
           ^~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/i2c/busses/i2c-designware-slave.c:311:36: error: 
>> 'I2C_SLAVE_READ_PROCESSED' undeclared (first use in this function)
      if (!i2c_slave_event(dev->slave, I2C_SLAVE_READ_PROCESSED,
                                       ^~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/i2c/busses/i2c-designware-slave.c:315:31: error: 'I2C_SLAVE_STOP' 
>> undeclared (first use in this function)
      i2c_slave_event(dev->slave, I2C_SLAVE_STOP, &val);
                                  ^~~~~~~~~~~~~~
   drivers/i2c/busses/i2c-designware-slave.c: At top level:
>> drivers/i2c/busses/i2c-designware-slave.c:351:2: error: unknown field 
>> 'reg_slave' specified in initializer
     .reg_slave = i2c_dw_reg_slave,
     ^
>> drivers/i2c/busses/i2c-designware-slave.c:351:15: warning: excess elements 
>> in struct initializer
     .reg_slave = i2c_dw_reg_slave,
                  ^~~~~~~~~~~~~~~~
   drivers/i2c/busses/i2c-designware-slave.c:351:15: note: (near initialization 
for 'i2c_dw_algo')
>> drivers/i2c/busses/i2c-designware-slave.c:352:2: error: unknown field 
>> 'unreg_slave' specified in initializer
     .unreg_slave = i2c_dw_unreg_slave,
     ^
   drivers/i2c/busses/i2c-designware-slave.c:352:17: warning: excess elements 
in struct initializer
     .unreg_slave = i2c_dw_unreg_slave,
                    ^~~~~~~~~~~~~~~~~~
   drivers/i2c/busses/i2c-designware-slave.c:352:17: note: (near initialization 
for 'i2c_dw_algo')
   cc1: some warnings being treated as errors

vim +/i2c_slave_event +285 drivers/i2c/busses/i2c-designware-slave.c

   279          dev_dbg(dev->dev,
   280                  "%#x STAUTS SLAVE_ACTTVITY=%#x : RAW_INTR_STAT=%#x"
   281                  " : INTR_STAT=%#x\n",
   282                  enabled, slave_activity, raw_stat, stat);
   283  
   284          if ((stat & DW_IC_INTR_RX_FULL) && (stat & DW_IC_INTR_STOP_DET))
 > 285                  i2c_slave_event(dev->slave, I2C_SLAVE_WRITE_REQUESTED, 
 > &val);
   286  
   287          if (stat & DW_IC_INTR_RD_REQ) {
   288                  if (slave_activity) {
   289                          if (stat & DW_IC_INTR_RX_FULL) {
   290                              val = dw_readl(dev, DW_IC_DATA_CMD);
   291  
   292                                  if (!i2c_slave_event(dev->slave,
 > 293                                      I2C_SLAVE_WRITE_RECEIVED, &val)) {
   294                                          dev_vdbg(dev->dev, "Byte %X 
acked!",
   295                                          val);
   296                                          }
   297                                  dw_readl(dev, DW_IC_CLR_RD_REQ);
   298                                  stat = 
i2c_dw_read_clear_intrbits_slave(dev);
   299                          } else {
   300                                  dw_readl(dev, DW_IC_CLR_RD_REQ);
   301                                  dw_readl(dev, DW_IC_CLR_RX_UNDER);
   302                                  stat = 
i2c_dw_read_clear_intrbits_slave(dev);
   303                          }
   304                          if (!i2c_slave_event(dev->slave,
 > 305                              I2C_SLAVE_READ_REQUESTED, &val))
   306                                  dw_writel(dev, val, DW_IC_DATA_CMD);
   307                  }
   308          }
   309  
   310          if (stat & DW_IC_INTR_RX_DONE) {
 > 311                  if (!i2c_slave_event(dev->slave, 
 > I2C_SLAVE_READ_PROCESSED,
   312                      &val))
   313                          dw_readl(dev, DW_IC_CLR_RX_DONE);
   314  
 > 315                  i2c_slave_event(dev->slave, I2C_SLAVE_STOP, &val);
   316                  stat = i2c_dw_read_clear_intrbits_slave(dev);
   317                  return 1;
   318          }
   319  
   320          if (stat & DW_IC_INTR_RX_FULL) {
   321                  val = dw_readl(dev, DW_IC_DATA_CMD);
   322                  if (!i2c_slave_event(dev->slave, 
I2C_SLAVE_WRITE_RECEIVED,
   323                          &val))
   324                          dev_vdbg(dev->dev, "Byte %X acked!", val);
   325          } else {
   326                  i2c_slave_event(dev->slave, I2C_SLAVE_STOP, &val);
   327                  stat = i2c_dw_read_clear_intrbits_slave(dev);
   328          }
   329  
   330          //~ if (stat & DW_IC_INTR_TX_OVER)
   331                  //~ dw_readl(dev, DW_IC_CLR_TX_OVER);
   332  
   333          return 1;
   334  }
   335  
   336  static irqreturn_t i2c_dw_isr_slave(int this_irq, void *dev_id)
   337  {
   338          struct dw_i2c_dev *dev = dev_id;
   339          int ret;
   340  
   341          i2c_dw_read_clear_intrbits_slave(dev);
   342          ret = i2c_dw_irq_handler_slave(dev);
   343          if (ret > 0)
   344                  complete(&dev->cmd_complete);
   345  
   346          return IRQ_RETVAL(ret);
   347  }
   348  
   349  static struct i2c_algorithm i2c_dw_algo = {
   350          .functionality = i2c_dw_func,
 > 351          .reg_slave = i2c_dw_reg_slave,
 > 352          .unreg_slave = i2c_dw_unreg_slave,
   353  };
   354  
   355  int i2c_dw_probe_slave(struct dw_i2c_dev *dev)

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

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