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SubjectRe: [PATCH v16 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 v4.15-rc4]
[cannot apply to next-20171222]
[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/20171223-132544
config: i386-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All errors (new ones prefixed by >>):

drivers/mfd/rave-sp.c: In function 'csum_ccitt':
>> drivers/mfd/rave-sp.c:227:25: error: implicit declaration of function 'crc_ccitt_false'; did you mean 'crc_ccitt_byte'? [-Werror=implicit-function-declaration]
const u16 calculated = crc_ccitt_false(0xffff, buf, size);
^~~~~~~~~~~~~~~
crc_ccitt_byte
cc1: some warnings being treated as errors

vim +227 drivers/mfd/rave-sp.c

224
225 static void csum_ccitt(const u8 *buf, size_t size, u8 *crc)
226 {
> 227 const u16 calculated = crc_ccitt_false(0xffff, buf, size);
228
229 /*
230 * While the rest of the wire protocol is little-endian,
231 * CCITT-16 CRC in RDU2 device is sent out in big-endian order.
232 */
233 put_unaligned_be16(calculated, crc);
234 }
235

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