Hi Bayi, [auto build test ERROR on mtd/master -- if it's inappropriate base, please suggest rules for selecting the more suitable base] url: https://github.com/0day-ci/linux/commits/Bayi-Cheng/Mediatek-SPI-NOR-flash-driver/20151013-174438 config: x86_64-allmodconfig (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings (new ones prefixed by >>): drivers/mtd/spi-nor/mtk-quadspi.c:391:18: sparse: incorrect type in assignment (different base types) drivers/mtd/spi-nor/mtk-quadspi.c:391:18: expected struct mtd_info *mtd drivers/mtd/spi-nor/mtk-quadspi.c:391:18: got struct mtd_info <noident> drivers/mtd/spi-nor/mtk-quadspi.c:400:24: sparse: incorrect type in assignment (different argument counts) drivers/mtd/spi-nor/mtk-quadspi.c:400:24: expected int ( *write_reg )( ... ) drivers/mtd/spi-nor/mtk-quadspi.c:400:24: got int ( static [toplevel] *<noident> )( ... ) drivers/mtd/spi-nor/mtk-quadspi.c:402:17: sparse: expected structure or union drivers/mtd/spi-nor/mtk-quadspi.c:403:17: sparse: expected structure or union drivers/mtd/spi-nor/mtk-quadspi.c: In function 'mtk_nor_init': >> drivers/mtd/spi-nor/mtk-quadspi.c:391:11: error: incompatible types when assigning to type 'struct mtd_info *' from type 'struct mtd_info' nor->mtd = *mtd; ^ >> drivers/mtd/spi-nor/mtk-quadspi.c:400:17: warning: assignment from incompatible pointer type [-Wincompatible-pointer-types] nor->write_reg = mt8173_nor_write_reg; ^ >> drivers/mtd/spi-nor/mtk-quadspi.c:402:10: error: request for member 'owner' in something not a structure or union nor->mtd.owner = THIS_MODULE; ^ >> drivers/mtd/spi-nor/mtk-quadspi.c:403:10: error: request for member 'name' in something not a structure or union nor->mtd.name = "mtk_nor"; ^ drivers/mtd/spi-nor/mtk-quadspi.c:410:36: warning: passing argument 1 of 'mtd_device_parse_register' from incompatible pointer type [-Wincompatible-pointer-types] return mtd_device_parse_register(&nor->mtd, NULL, ppdata, NULL, 0); ^ In file included from drivers/mtd/spi-nor/mtk-quadspi.c:24:0: include/linux/mtd/mtd.h:372:12: note: expected 'struct mtd_info *' but argument is of type 'struct mtd_info **' extern int mtd_device_parse_register(struct mtd_info *mtd, ^ sparse warnings: (new ones prefixed by >>) drivers/mtd/spi-nor/mtk-quadspi.c:391:18: sparse: incorrect type in assignment (different base types) drivers/mtd/spi-nor/mtk-quadspi.c:391:18: expected struct mtd_info *mtd drivers/mtd/spi-nor/mtk-quadspi.c:391:18: got struct mtd_info <noident> >> drivers/mtd/spi-nor/mtk-quadspi.c:400:24: sparse: incorrect type in assignment (different argument counts) drivers/mtd/spi-nor/mtk-quadspi.c:400:24: expected int ( *write_reg )( ... ) drivers/mtd/spi-nor/mtk-quadspi.c:400:24: got int ( static [toplevel] *<noident> )( ... ) drivers/mtd/spi-nor/mtk-quadspi.c:402:17: sparse: expected structure or union drivers/mtd/spi-nor/mtk-quadspi.c:403:17: sparse: expected structure or union drivers/mtd/spi-nor/mtk-quadspi.c: In function 'mtk_nor_init': drivers/mtd/spi-nor/mtk-quadspi.c:391:11: error: incompatible types when assigning to type 'struct mtd_info *' from type 'struct mtd_info' nor->mtd = *mtd; ^ drivers/mtd/spi-nor/mtk-quadspi.c:400:17: warning: assignment from incompatible pointer type [-Wincompatible-pointer-types] nor->write_reg = mt8173_nor_write_reg; ^ drivers/mtd/spi-nor/mtk-quadspi.c:402:10: error: request for member 'owner' in something not a structure or union nor->mtd.owner = THIS_MODULE; ^ drivers/mtd/spi-nor/mtk-quadspi.c:403:10: error: request for member 'name' in something not a structure or union nor->mtd.name = "mtk_nor"; ^ drivers/mtd/spi-nor/mtk-quadspi.c:410:36: warning: passing argument 1 of 'mtd_device_parse_register' from incompatible pointer type [-Wincompatible-pointer-types] return mtd_device_parse_register(&nor->mtd, NULL, ppdata, NULL, 0); ^ In file included from drivers/mtd/spi-nor/mtk-quadspi.c:24:0: include/linux/mtd/mtd.h:372:12: note: expected 'struct mtd_info *' but argument is of type 'struct mtd_info **' extern int mtd_device_parse_register(struct mtd_info *mtd, ^ vim +391 drivers/mtd/spi-nor/mtk-quadspi.c 385 struct spi_nor *nor; 386 struct mtd_info *mtd; 387 388 writel(MTK_NOR_ENABLE_SF_CMD, mt8173_nor->base + MTK_NOR_WRPROT_REG); 389 nor = &mt8173_nor->nor; 390 mtd = &mt8173_nor->mtd; > 391 nor->mtd = *mtd; 392 nor->dev = mt8173_nor->dev; 393 nor->priv = mt8173_nor; 394 mtd->priv = nor; 395 396 /* fill the hooks to spi nor */ 397 nor->read = mt8173_nor_read; 398 nor->read_reg = mt8173_nor_read_reg; 399 nor->write = mt8173_nor_write; > 400 nor->write_reg = mt8173_nor_write_reg; 401 nor->erase = mt8173_nor_erase_sector; > 402 nor->mtd.owner = THIS_MODULE; > 403 nor->mtd.name = "mtk_nor"; 404 /* initialized with NULL */ 405 ret = spi_nor_scan(nor, NULL, SPI_NOR_DUAL); 406 if (ret) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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