Hi Dafna, Thank you for the patch! Yet something to improve: [auto build test ERROR on linuxtv-media/master] [also build test ERROR on v5.7-rc5 next-20200512] [cannot apply to staging/staging-testing] [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/Dafna-Hirschfeld/media-staging-r... base: git://linuxtv.org/media_tree.git master config: nios2-allyesconfig (attached as .config) compiler: nios2-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=nios2 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): In file included from drivers/staging/media/rkisp1/rkisp1-stats.c:14: drivers/staging/media/rkisp1/rkisp1-common.h:309:1: error: unknown type name 'irqreturn_t' 309 | irqreturn_t rkisp1_read_stats_threaded_irq(int irq, void *ctx); | ^~~~~~~~~~~ drivers/staging/media/rkisp1/rkisp1-common.h:310:1: error: unknown type name 'irqreturn_t' 310 | irqreturn_t rkisp1_isp_isr(struct rkisp1_device *rkisp1); | ^~~~~~~~~~~ drivers/staging/media/rkisp1/rkisp1-common.h:311:1: error: unknown type name 'irqreturn_t' 311 | irqreturn_t rkisp1_mipi_isr(struct rkisp1_device *rkisp1); | ^~~~~~~~~~~ drivers/staging/media/rkisp1/rkisp1-common.h:312:1: error: unknown type name 'irqreturn_t' 312 | irqreturn_t rkisp1_capture_isr(struct rkisp1_device *rkisp1); | ^~~~~~~~~~~ drivers/staging/media/rkisp1/rkisp1-common.h:313:1: error: unknown type name 'irqreturn_t' 313 | irqreturn_t rkisp1_stats_isr(struct rkisp1_stats *stats, u32 isp_ris); | ^~~~~~~~~~~ 313 | irqreturn_t rkisp1_read_stats_threaded_irq(int irq, void *ctx) | ^~~~~~~~~~~ drivers/staging/media/rkisp1/rkisp1-stats.c: In function 'rkisp1_read_stats_threaded_irq': 326 | return IRQ_HANDLED; | ^~~~~~~~~~~ drivers/staging/media/rkisp1/rkisp1-stats.c:326:10: note: each undeclared identifier is reported only once for each function it appears in drivers/staging/media/rkisp1/rkisp1-stats.c: At top level: drivers/staging/media/rkisp1/rkisp1-stats.c:382:1: error: unknown type name 'irqreturn_t' 382 | irqreturn_t rkisp1_stats_isr(struct rkisp1_stats *stats, u32 isp_ris) | ^~~~~~~~~~~ drivers/staging/media/rkisp1/rkisp1-stats.c: In function 'rkisp1_stats_isr': drivers/staging/media/rkisp1/rkisp1-stats.c:387:2: error: unknown type name 'irqreturn_t' 387 | irqreturn_t ret = IRQ_HANDLED; | ^~~~~~~~~~~ drivers/staging/media/rkisp1/rkisp1-stats.c:387:20: error: 'IRQ_HANDLED' undeclared (first use in this function) 387 | irqreturn_t ret = IRQ_HANDLED; | ^~~~~~~~~~~ 409 | ret = IRQ_WAKE_THREAD; | ^~~~~~~~~~~~~~~ | RUSAGE_THREAD drivers/staging/media/rkisp1/rkisp1-stats.c: In function 'rkisp1_read_stats_threaded_irq': 379 | } | ^ vim +/irqreturn_t +313 drivers/staging/media/rkisp1/rkisp1-stats.c 312 314 { 315 struct device *dev = ctx; 316 struct rkisp1_device *rkisp1 = dev_get_drvdata(dev); 317 struct rkisp1_stats *stats = &rkisp1->stats; 318 struct rkisp1_kstats_buffer *kstats_buf = NULL; 319 struct rkisp1_stat_buffer *cur_stat_buf; 320 unsigned long flags; 321 u64 timestamp = ktime_get_ns(); 322 323 spin_lock_irqsave(&stats->stats_lock, flags); 324 if (!stats->is_streaming) { 325 spin_unlock_irqrestore(&stats->stats_lock, flags); 327 } 328 if (list_empty(&stats->stat)) { 329 spin_unlock_irqrestore(&stats->stats_lock, flags); 330 WARN("%s: threaded irq waked but there are no buffers", 331 __func__); 332 return IRQ_HANDLED; 333 } 334 kstats_buf = list_first_entry(&stats->stat, 335 struct rkisp1_kstats_buffer, buff.queue); 336 337 /* 338 * each waked irq thread reads exactly one ready statistics 339 * so it is a bug if no statistics are ready 340 */ 341 if (!kstats_buf->ris) { 342 spin_unlock_irqrestore(&stats->stats_lock, flags); 343 WARN("%s: threaded irq waked but buffer holds no measures", 344 __func__); 345 return IRQ_HANDLED; 346 } 347 list_del(&kstats_buf->buff.queue); 348 spin_unlock_irqrestore(&stats->stats_lock, flags); 349 350 cur_stat_buf = 351 (struct rkisp1_stat_buffer *)(kstats_buf->buff.vaddr[0]); 352 353 if (kstats_buf->ris & RKISP1_CIF_ISP_AWB_DONE) { 354 rkisp1_stats_get_awb_meas(stats, cur_stat_buf); 355 cur_stat_buf->meas_type |= RKISP1_CIF_ISP_STAT_AWB; 356 } 357 358 if (kstats_buf->ris & RKISP1_CIF_ISP_AFM_FIN) { 359 rkisp1_stats_get_afc_meas(stats, cur_stat_buf); 360 cur_stat_buf->meas_type |= RKISP1_CIF_ISP_STAT_AFM_FIN; 361 } 362 363 if (kstats_buf->ris & RKISP1_CIF_ISP_EXP_END) { 364 rkisp1_stats_get_aec_meas(stats, cur_stat_buf); 365 rkisp1_stats_get_bls_meas(stats, cur_stat_buf); 366 cur_stat_buf->meas_type |= RKISP1_CIF_ISP_STAT_AUTOEXP; 367 } 368 369 if (kstats_buf->ris & RKISP1_CIF_ISP_HIST_MEASURE_RDY) { 370 rkisp1_stats_get_hst_meas(stats, cur_stat_buf); 371 cur_stat_buf->meas_type |= RKISP1_CIF_ISP_STAT_HIST; 372 } 373 374 vb2_set_plane_payload(&kstats_buf->buff.vb.vb2_buf, 0, 375 sizeof(struct rkisp1_stat_buffer)); 376 kstats_buf->buff.vb.vb2_buf.timestamp = timestamp; 377 vb2_buffer_done(&kstats_buf->buff.vb.vb2_buf, VB2_BUF_STATE_DONE); 378 return IRQ_HANDLED; 380 381 382 irqreturn_t rkisp1_stats_isr(struct rkisp1_stats *stats, u32 isp_ris) 383 { 384 struct rkisp1_device *rkisp1 = stats->rkisp1; 385 struct rkisp1_isp *isp = &rkisp1->isp; 386 struct rkisp1_kstats_buffer *buf = NULL; 388 unsigned int isp_mis_tmp = 0; 389 unsigned long flags; 390 u32 val; 391 392 spin_lock_irqsave(&stats->stats_lock, flags); 393 394 val = RKISP1_STATS_MEAS_MASK; 395 rkisp1_write(rkisp1, val, RKISP1_CIF_ISP_ICR); 396 397 isp_mis_tmp = rkisp1_read(rkisp1, RKISP1_CIF_ISP_MIS); 398 if (isp_mis_tmp & RKISP1_STATS_MEAS_MASK) 399 rkisp1->debug.stats_error++; 400 401 if (!stats->is_streaming || !(isp_ris & RKISP1_STATS_MEAS_MASK)) 402 goto unlock; 403 404 list_for_each_entry(buf, &stats->stat, buff.queue) { 405 if (!buf->ris) { 406 buf->buff.vb.sequence = 407 atomic_read(&isp->frame_sequence); 408 buf->ris = isp_ris; 410 break; 411 } 412 } 413 414 unlock: 415 spin_unlock_irqrestore(&stats->stats_lock, flags); 416 return ret; 417 } 418 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org