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SubjectRe: [PATCH v11 3/5] mfd: Add driver for RAVE Supervisory Processor
Hi Andrey,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.14-rc8]
[cannot apply to next-20171108]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Andrey-Smirnov/ZII-RAVE-platform-driver/20171109-033941
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 6.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=ia64

All errors (new ones prefixed by >>):

drivers/mfd/rave-sp.c: In function 'csum_ccitt':
>> drivers/mfd/rave-sp.c:237:25: error: implicit declaration of function 'crc_ccitt_false' [-Werror=implicit-function-declaration]
const u16 calculated = crc_ccitt_false(0xffff, buf, size);
^~~~~~~~~~~~~~~
cc1: some warnings being treated as errors

vim +/crc_ccitt_false +237 drivers/mfd/rave-sp.c

234
235 static void csum_ccitt(const u8 *buf, size_t size, u8 *crc)
236 {
> 237 const u16 calculated = crc_ccitt_false(0xffff, buf, size);
238
239 /*
240 * While the rest of the wire protocol is little-endian,
241 * CCITT-16 CRC in RDU2 device is sent out in big-endian order.
242 */
243 put_unaligned_be16(calculated, crc);
244 }
245

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