On Sun, Aug 7, 2016 at 8:51 AM, kbuild test robot <fengguang...@intel.com> wrote:
> FYI, the error/warning still remains. > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > master > head: 0cbbc422d56668528f6efd1234fe908010284082 > commit: 7d4defe21c682c934a19fce1ba8b54b7bde61b08 gpio: include > <linux/io-mapping.h> in gpiolib-of > date: 9 weeks ago > config: um-allyesconfig (attached as .config) > compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705 > reproduce: > git checkout 7d4defe21c682c934a19fce1ba8b54b7bde61b08 > # save the attached .config to linux build tree > make ARCH=um > > All errors (new ones prefixed by >>): > > In file included from drivers/gpio/gpiolib-of.c:19:0: > include/linux/io-mapping.h: In function 'io_mapping_create_wc': >>> include/linux/io-mapping.h:130:39: error: implicit declaration of function >>> 'ioremap_wc' [-Werror=implicit-function-declaration] > return (struct io_mapping __force *) ioremap_wc(base, size); > ^~~~~~~~~~ > include/linux/io-mapping.h:130:9: warning: cast to pointer from integer of > different size [-Wint-to-pointer-cast] > return (struct io_mapping __force *) ioremap_wc(base, size); > ^ > include/linux/io-mapping.h: In function 'io_mapping_free': >>> include/linux/io-mapping.h:136:2: error: implicit declaration of function >>> 'iounmap' [-Werror=implicit-function-declaration] > iounmap((void __force __iomem *) mapping); > ^~~~~~~ > cc1: some warnings being treated as errors > > vim +/ioremap_wc +130 include/linux/io-mapping.h I have tried to fix this but don't know what the problem really is, as all archs seem to work fine except UM. I need help with this :/ Involving the linux-gpio list... Yours, Linus Walleij
