On 07/19/2016 08:03 AM, Stefan Roese wrote: > On 18.07.2016 22:20, Brian Norris wrote: >> On Tue, Jul 19, 2016 at 03:43:17AM +0800, kbuild test robot wrote: >>> tree: git://git.infradead.org/linux-mtd-next.git master >>> head: f78921b9020c510ed222a6c2402e2aa126432415 >>> commit: 140623410536905fa6ab737b625decfde6c64a72 [30/33] mtd: >>> spi-nor: Add driver for Cadence Quad SPI Flash Controller >>> config: x86_64-allmodconfig (attached as .config) >>> compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 >>> reproduce: >>> git checkout 140623410536905fa6ab737b625decfde6c64a72 >>> # save the attached .config to linux build tree >>> make ARCH=x86_64 >>> >>> All errors (new ones prefixed by >>): >>> >>> drivers/mtd/spi-nor/cadence-quadspi.c: In function >>> 'cqspi_indirect_read_execute': >>>>> drivers/mtd/spi-nor/cadence-quadspi.c:529:4: error: implicit >>>>> declaration of function 'readsl' >>>>> [-Werror=implicit-function-declaration] >>> readsl(ahb_base, rxbuf, DIV_ROUND_UP(bytes_to_read, 4)); >>> ^~~~~~ >>> drivers/mtd/spi-nor/cadence-quadspi.c: In function >>> 'cqspi_indirect_write_execute': >>>>> drivers/mtd/spi-nor/cadence-quadspi.c:613:3: error: implicit >>>>> declaration of function 'writesl' >>>>> [-Werror=implicit-function-declaration] >>> writesl(cqspi->ahb_base, txbuf, DIV_ROUND_UP(write_bytes, 4)); >>> ^~~~~~~ >>> cc1: some warnings being treated as errors >> >> Hmm, does x86 not define readsl()/writesl()? I can never tell what >> accessors are supposed to be "standard" across architectures. >> >> Either we need to drop the COMPILE_TEST or maybe make it (!X86 && >> COMPILE_TEST). > > iowrite32_rep() etc should work for x86 as well.
Indeed, they should and they were used to fix other drivers too. I'll send a patch in a bit. -- Best regards, Marek Vasut

