Hi Cyrille, After merging the spi-nor tree, today's linux-next build (x86_64 allmodconfig) failed like this: In file included from include/linux/printk.h:329:0, from include/linux/kernel.h:13, from include/linux/clk.h:16, from drivers/mtd/spi-nor/stm32-quadspi.c:8: drivers/mtd/spi-nor/stm32-quadspi.c: In function 'stm32_qspi_read': drivers/mtd/spi-nor/stm32-quadspi.c:378:21: warning: format '%x' expects argument of type 'unsigned int', but argument 7 has type 'size_t {aka long unsigned int}' [-Wformat=] dev_dbg(qspi->dev, "read(%#.2x): buf:%p from:%#.8x len:%#x\n", ^ include/linux/dynamic_debug.h:134:39: note: in definition of macro 'dynamic_dev_dbg' __dynamic_dev_dbg(&descriptor, dev, fmt, \ ^ drivers/mtd/spi-nor/stm32-quadspi.c:378:2: note: in expansion of macro 'dev_dbg' dev_dbg(qspi->dev, "read(%#.2x): buf:%p from:%#.8x len:%#x\n", ^ drivers/mtd/spi-nor/stm32-quadspi.c: In function 'stm32_qspi_write': drivers/mtd/spi-nor/stm32-quadspi.c:405:15: warning: format '%x' expects argument of type 'unsigned int', but argument 7 has type 'size_t {aka long unsigned int}' [-Wformat=] dev_dbg(dev, "write(%#.2x): buf:%p to:%#.8x len:%#x\n", ^ include/linux/dynamic_debug.h:134:39: note: in definition of macro 'dynamic_dev_dbg' __dynamic_dev_dbg(&descriptor, dev, fmt, \ ^ drivers/mtd/spi-nor/stm32-quadspi.c:405:2: note: in expansion of macro 'dev_dbg' dev_dbg(dev, "write(%#.2x): buf:%p to:%#.8x len:%#x\n", ^ drivers/mtd/spi-nor/stm32-quadspi.c: In function 'stm32_qspi_flash_setup': drivers/mtd/spi-nor/stm32-quadspi.c:543:27: error: 'SZ_1K' undeclared (first use in this function) flash->fsize = FSIZE_VAL(SZ_1K); ^ drivers/mtd/spi-nor/stm32-quadspi.c:110:33: note: in definition of macro 'FSIZE_VAL' #define FSIZE_VAL(size) (__fls(size) - 1) ^ drivers/mtd/spi-nor/stm32-quadspi.c:543:27: note: each undeclared identifier is reported only once for each function it appears in flash->fsize = FSIZE_VAL(SZ_1K); ^ drivers/mtd/spi-nor/stm32-quadspi.c:110:33: note: in definition of macro 'FSIZE_VAL' #define FSIZE_VAL(size) (__fls(size) - 1) ^ Exposed by commit 7a754f2016a0 ("mtd: spi-nor: stm32-quadspi: allow building with COMPILE_TEST") I have used the spi-nor tree from next-20170503 for today. -- Cheers, Stephen Rothwell -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html