Hi Seraj, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.18 next-20180824] [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/Seraj-Alijan/dmaengine-dmatest-Add-multi-chan-and-new-params/20180824-231828 config: i386-randconfig-n0-201833 (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): drivers/dma/dmatest.o: In function `dmatest_persec': >> drivers/dma/dmatest.c:457: undefined reference to `__udivdi3' >> drivers/dma/dmatest.c:457: undefined reference to `__udivdi3' >> drivers/dma/dmatest.c:457: undefined reference to `__udivdi3' vim +457 drivers/dma/dmatest.c 442 443 static unsigned long long dmatest_persec(s64 runtime, unsigned int val) 444 { 445 unsigned long long per_sec = 1000000; 446 447 if (runtime <= 0) 448 return 0; 449 450 /* drop precision until runtime is 32-bits */ 451 while (runtime > UINT_MAX) { 452 runtime >>= 1; 453 per_sec <<= 1; 454 } 455 456 per_sec *= val; > 457 per_sec = FIXPT_DIV(per_sec, runtime); 458 459 return per_sec; 460 } 461 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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