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Subjectdrivers/mfd/syscon.c:67:9: error: implicit declaration of function 'ioremap'
Hi,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 107df03203bb66de56e2caec3bde6d22b55480c5
commit: ca668f0edfae65438c3f0a3ad5d3e59e3515915f mfd: syscon: Set regmap max_register in of_syscon_register
date: 4 months ago
config: um-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
git checkout ca668f0edfae65438c3f0a3ad5d3e59e3515915f
# save the attached .config to linux build tree
make ARCH=um

All errors (new ones prefixed by >>):

drivers/mfd/syscon.c: In function 'of_syscon_register':
>> drivers/mfd/syscon.c:67:9: error: implicit declaration of function 'ioremap' [-Werror=implicit-function-declaration]
base = ioremap(res.start, resource_size(&res));
^~~~~~~
drivers/mfd/syscon.c:67:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
base = ioremap(res.start, resource_size(&res));
^
drivers/mfd/syscon.c:109:2: error: implicit declaration of function 'iounmap' [-Werror=implicit-function-declaration]
iounmap(base);
^~~~~~~
cc1: some warnings being treated as errors

vim +/ioremap +67 drivers/mfd/syscon.c

61
62 if (of_address_to_resource(np, 0, &res)) {
63 ret = -ENOMEM;
64 goto err_map;
65 }
66
> 67 base = ioremap(res.start, resource_size(&res));
68 if (!base) {
69 ret = -ENOMEM;
70 goto err_map;

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