drivers/video/fbdev/aty/atyfb_base.c:3461:2: error: implicit declaration of function 'ioremap_uc'

From: kbuild test robot
Date: Sun Feb 28 2016 - 06:20:00 EST

Hi Luis,

FYI, the error/warning still remains.

tree: master
head: 12b9fa6a97b3150477ab182e321be512b59fa899
commit: 3cc2dac5be3f23414a4efdee0b26d79bed297cac drivers/video/fbdev/atyfb: Replace MTRR UC hole with strong UC
date: 7 months ago
config: ia64-allmodconfig (attached as .config)
wget -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 3cc2dac5be3f23414a4efdee0b26d79bed297cac
# save the attached .config to linux build tree
make.cross ARCH=ia64

All errors (new ones prefixed by >>):

drivers/video/fbdev/aty/atyfb_base.c: In function 'atyfb_setup_generic':
>> drivers/video/fbdev/aty/atyfb_base.c:3461:2: error: implicit declaration of function 'ioremap_uc' [-Werror=implicit-function-declaration]
par->ati_regbase = ioremap_uc(info->fix.mmio_start, 0x1000);
drivers/video/fbdev/aty/atyfb_base.c:3461:19: warning: assignment makes pointer from integer without a cast
par->ati_regbase = ioremap_uc(info->fix.mmio_start, 0x1000);
cc1: some warnings being treated as errors

vim +/ioremap_uc +3461 drivers/video/fbdev/aty/atyfb_base.c

3456 info->fix.mmio_start = raddr;
3457 /*
3458 * By using strong UC we force the MTRR to never have an
3459 * effect on the MMIO region on both non-PAT and PAT systems.
3460 */
> 3461 par->ati_regbase = ioremap_uc(info->fix.mmio_start, 0x1000);
3462 if (par->ati_regbase == NULL)
3463 return -ENOMEM;

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Attachment: .config.gz
Description: Binary data