Hi Paul,

[auto build test ERROR on pci/next]
[also build test ERROR on v4.5-rc2 next-20160203]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Paul-Burton/dt-bindings-ascii-lcd-Document-a-binding-for-simple-ASCII-LCDs/20160203-194731
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: i386-allmodconfig (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/auxdisplay/ascii-lcd.c: In function 'update_boston':
>> drivers/auxdisplay/ascii-lcd.c:47:3: error: implicit declaration of function '__raw_writeq' [-Werror=implicit-function-declaration]
      __raw_writeq(val64, ctx->base);
      ^
   cc1: some warnings being treated as errors

vim +/__raw_writeq +47 drivers/auxdisplay/ascii-lcd.c

    41	{
    42		u32 val32;
    43		u64 val64;
    44	
    45		if (config_enabled(CONFIG_64BIT)) {
    46			val64 = *((u64 *)&ctx->curr[0]);
  > 47			__raw_writeq(val64, ctx->base);
    48		} else {
    49			val32 = *((u32 *)&ctx->curr[0]);
    50			__raw_writel(val32, ctx->base);

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation