tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 38a288f5941ef03752887ad86f2d85442358c99a commit: f3d8e0a9c28ba0bb3716dd5e8697a075ea36fdd8 [6350/9759] net: lan966x: Add support for PTP_PF_EXTTS config: arm64-randconfig-r011-20220506 (https://download.01.org/0day-ci/archive/20220507/202205071105.X9CbIhTA-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 5e004fb787698440a387750db7f8028e7cb14cfc) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=f3d8e0a9c28ba0bb3716dd5e8697a075ea36fdd8 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout f3d8e0a9c28ba0bb3716dd5e8697a075ea36fdd8 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/net/ethernet/microchip/lan966x/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Note: the linux-next/master HEAD 38a288f5941ef03752887ad86f2d85442358c99a builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): >> drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c:342:9: error: call to undeclared function 'ptp_find_pin_unlocked'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] pin = ptp_find_pin_unlocked(phc->clock, PTP_PF_EXTTS, 0); ^ 1 error generated. vim +/ptp_find_pin_unlocked +342 drivers/net/ethernet/microchip/lan966x/lan966x_ptp.c 323 324 irqreturn_t lan966x_ptp_ext_irq_handler(int irq, void *args) 325 { 326 struct lan966x *lan966x = args; 327 struct lan966x_phc *phc; 328 unsigned long flags; 329 u64 time = 0; 330 time64_t s; 331 int pin, i; 332 s64 ns; 333 334 if (!(lan_rd(lan966x, PTP_PIN_INTR))) 335 return IRQ_NONE; 336 337 /* Go through all domains and see which pin generated the interrupt */ 338 for (i = 0; i < LAN966X_PHC_COUNT; ++i) { 339 struct ptp_clock_event ptp_event = {0}; 340 341 phc = &lan966x->phc[i]; > 342 pin = ptp_find_pin_unlocked(phc->clock, PTP_PF_EXTTS, 0); 343 if (pin == -1) 344 continue; 345 346 if (!(lan_rd(lan966x, PTP_PIN_INTR) & BIT(pin))) 347 continue; 348 349 spin_lock_irqsave(&lan966x->ptp_clock_lock, flags); 350 351 /* Enable to get the new interrupt. 352 * By writing 1 it clears the bit 353 */ 354 lan_wr(BIT(pin), lan966x, PTP_PIN_INTR); 355 356 /* Get current time */ 357 s = lan_rd(lan966x, PTP_TOD_SEC_MSB(pin)); 358 s <<= 32; 359 s |= lan_rd(lan966x, PTP_TOD_SEC_LSB(pin)); 360 ns = lan_rd(lan966x, PTP_TOD_NSEC(pin)); 361 ns &= PTP_TOD_NSEC_TOD_NSEC; 362 363 spin_unlock_irqrestore(&lan966x->ptp_clock_lock, flags); 364 365 if ((ns & 0xFFFFFFF0) == 0x3FFFFFF0) { 366 s--; 367 ns &= 0xf; 368 ns += 999999984; 369 } 370 time = ktime_set(s, ns); 371 372 ptp_event.index = pin; 373 ptp_event.timestamp = time; 374 ptp_event.type = PTP_CLOCK_EXTTS; 375 ptp_clock_event(phc->clock, &ptp_event); 376 } 377 378 return IRQ_HANDLED; 379 } 380 -- 0-DAY CI Kernel Test Service https://01.org/lkp
