Hi Luis, [auto build test ERROR on v4.9-rc5] [also build test ERROR on next-20161117] [cannot apply to wsa/i2c/for-next] [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-slave-support/20161118-193236 config: x86_64-randconfig-s4-11190538 (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:295:3: 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:295:31: 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:295:31: note: each undeclared identifier is reported only once for each function it appears in >> drivers/i2c/busses/i2c-designware-slave.c:302:6: error: 'I2C_SLAVE_WRITE_RECEIVED' undeclared (first use in this function) I2C_SLAVE_WRITE_RECEIVED, &val)) { ^~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/i2c/busses/i2c-designware-slave.c:314:7: error: 'I2C_SLAVE_READ_REQUESTED' undeclared (first use in this function) I2C_SLAVE_READ_REQUESTED, &val)) ^~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/i2c/busses/i2c-designware-slave.c:320:36: 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:324:31: 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:370:2: error: unknown field 'reg_slave' specified in initializer .reg_slave = i2c_dw_reg_slave, ^ >> drivers/i2c/busses/i2c-designware-slave.c:370:15: warning: excess elements in struct initializer .reg_slave = i2c_dw_reg_slave, ^~~~~~~~~~~~~~~~ drivers/i2c/busses/i2c-designware-slave.c:370:15: note: (near initialization for 'i2c_dw_algo') >> drivers/i2c/busses/i2c-designware-slave.c:371:2: error: unknown field 'unreg_slave' specified in initializer .unreg_slave = i2c_dw_unreg_slave, ^ drivers/i2c/busses/i2c-designware-slave.c:371:17: warning: excess elements in struct initializer .unreg_slave = i2c_dw_unreg_slave, ^~~~~~~~~~~~~~~~~~ drivers/i2c/busses/i2c-designware-slave.c:371:17: note: (near initialization for 'i2c_dw_algo') cc1: some warnings being treated as errors vim +/i2c_slave_event +295 drivers/i2c/busses/i2c-designware-slave.c 289 dw_readl(dev, DW_IC_CLR_START_DET); 290 if (stat & DW_IC_INTR_ACTIVITY) 291 dw_readl(dev, DW_IC_CLR_ACTIVITY); 292 if (stat & DW_IC_INTR_RX_OVER) 293 dw_readl(dev, DW_IC_CLR_RX_OVER); 294 if ((stat & DW_IC_INTR_RX_FULL) && (stat & DW_IC_INTR_STOP_DET)) > 295 i2c_slave_event(dev->slave, I2C_SLAVE_WRITE_REQUESTED, &val); 296 297 if (slave_activity) { 298 if (stat & DW_IC_INTR_RD_REQ) { 299 if (stat & DW_IC_INTR_RX_FULL) { 300 val = dw_readl(dev, DW_IC_DATA_CMD); 301 if (!i2c_slave_event(dev->slave, > 302 I2C_SLAVE_WRITE_RECEIVED, &val)) { 303 dev_dbg(dev->dev, "Byte %X acked! ", 304 val); 305 } 306 dw_readl(dev, DW_IC_CLR_RD_REQ); 307 stat = i2c_dw_read_clear_intrbits_slave(dev); 308 } else { 309 dw_readl(dev, DW_IC_CLR_RD_REQ); 310 dw_readl(dev, DW_IC_CLR_RX_UNDER); 311 stat = i2c_dw_read_clear_intrbits_slave(dev); 312 } 313 if (!i2c_slave_event(dev->slave, > 314 I2C_SLAVE_READ_REQUESTED, &val)) 315 dw_writel(dev, val, DW_IC_DATA_CMD); 316 } 317 } 318 319 if (stat & DW_IC_INTR_RX_DONE) { > 320 if (!i2c_slave_event(dev->slave, I2C_SLAVE_READ_PROCESSED, 321 &val)) 322 dw_readl(dev, DW_IC_CLR_RX_DONE); 323 > 324 i2c_slave_event(dev->slave, I2C_SLAVE_STOP, &val); 325 stat = i2c_dw_read_clear_intrbits_slave(dev); 326 return true; 327 } 328 329 if (stat & DW_IC_INTR_RX_FULL) { 330 val = dw_readl(dev, DW_IC_DATA_CMD); 331 if (!i2c_slave_event(dev->slave, I2C_SLAVE_WRITE_RECEIVED, 332 &val)) 333 dev_dbg(dev->dev, "Byte %X acked! ", val); 334 } else { 335 i2c_slave_event(dev->slave, I2C_SLAVE_STOP, &val); 336 stat = i2c_dw_read_clear_intrbits_slave(dev); 337 } 338 339 if (stat & DW_IC_INTR_TX_OVER) { 340 dw_readl(dev, DW_IC_CLR_TX_OVER); 341 return true; 342 } 343 return true; 344 } 345 346 static irqreturn_t i2c_dw_isr_slave(int this_irq, void *dev_id) 347 { 348 struct dw_i2c_dev *dev = dev_id; 349 u32 stat, enabled, mode; 350 351 enabled = dw_readl(dev, DW_IC_ENABLE); 352 mode = dw_readl(dev, DW_IC_CON); 353 stat = dw_readl(dev, DW_IC_RAW_INTR_STAT); 354 355 dev_dbg(dev->dev, "%s: enabled=%#x stat=%#x\n", __func__, enabled, 356 stat); 357 if (!enabled || !(stat & ~DW_IC_INTR_ACTIVITY)) 358 return IRQ_NONE; 359 360 stat = i2c_dw_read_clear_intrbits_slave(dev); 361 if (!i2c_dw_irq_handler_slave(dev)) 362 return IRQ_NONE; 363 364 complete(&dev->cmd_complete); 365 return IRQ_HANDLED; 366 } 367 368 static struct i2c_algorithm i2c_dw_algo = { 369 .functionality = i2c_dw_func, > 370 .reg_slave = i2c_dw_reg_slave, > 371 .unreg_slave = i2c_dw_unreg_slave, 372 }; 373 374 void i2c_dw_disable_slave(struct dw_i2c_dev *dev) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation