Hi Jisheng, I love your patch! Yet something to improve: [auto build test ERROR on ulf.hansson-mmc/next] [also build test ERROR on next-20180727] [cannot apply to v4.18-rc6] [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/Jisheng-Zhang/solve-SDHCI-DWC-MSHC-128MB-DMA-boundary-limitation/20180728-234650 base: git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc.git next config: mips-allmodconfig (attached as .config) compiler: mips-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 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 GCC_VERSION=7.2.0 make.cross ARCH=mips All errors (new ones prefixed by >>): drivers/mmc/host/sdhci-of-dwcmshc.c: In function 'dwcmshc_adma_write_desc': >> drivers/mmc/host/sdhci-of-dwcmshc.c:18:12: error: 'SZ_128M' undeclared (first use in this function); did you mean 'PM_128K'? ((addr | (SZ_128M - 1)) == ((addr + len - 1) | (SZ_128M - 1))) ^ drivers/mmc/host/sdhci-of-dwcmshc.c:34:6: note: in expansion of macro 'BOUNDARY_OK' if (BOUNDARY_OK(addr, len) || !len) ^~~~~~~~~~~ drivers/mmc/host/sdhci-of-dwcmshc.c:18:12: note: each undeclared identifier is reported only once for each function it appears in ((addr | (SZ_128M - 1)) == ((addr + len - 1) | (SZ_128M - 1))) ^ drivers/mmc/host/sdhci-of-dwcmshc.c:34:6: note: in expansion of macro 'BOUNDARY_OK' if (BOUNDARY_OK(addr, len) || !len) ^~~~~~~~~~~ In file included from include/linux/cache.h:5:0, from arch/mips/include/asm/cpu-info.h:15, from arch/mips/include/asm/cpu-features.h:13, from arch/mips/include/asm/bitops.h:21, from include/linux/bitops.h:38, from include/linux/kernel.h:11, from include/linux/clk.h:16, from drivers/mmc/host/sdhci-of-dwcmshc.c:10: drivers/mmc/host/sdhci-of-dwcmshc.c: In function 'dwcmshc_probe': drivers/mmc/host/sdhci-of-dwcmshc.c:82:39: error: 'SZ_128M' undeclared (first use in this function); did you mean 'PM_128K'? extra = DIV_ROUND_UP(totalram_pages, SZ_128M / PAGE_SIZE); ^ include/uapi/linux/kernel.h:13:46: note: in definition of macro '__KERNEL_DIV_ROUND_UP' #define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) ^ drivers/mmc/host/sdhci-of-dwcmshc.c:82:10: note: in expansion of macro 'DIV_ROUND_UP' extra = DIV_ROUND_UP(totalram_pages, SZ_128M / PAGE_SIZE); ^~~~~~~~~~~~ vim +18 drivers/mmc/host/sdhci-of-dwcmshc.c 16 17 #define BOUNDARY_OK(addr, len) \ > 18 ((addr | (SZ_128M - 1)) == ((addr + len - 1) | (SZ_128M - 1))) 19 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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