tree: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next head: 5ff37d1a67e2fed0cae537ad682abb7f6647cca4 commit: 9615a01f71ca02858f5265b1b545280758562aa2 [42/44] i2c: zx2967: add i2c controller driver for ZTE's zx2967 family config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 6.2.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 9615a01f71ca02858f5265b1b545280758562aa2 # save the attached .config to linux build tree make.cross ARCH=ia64 All errors (new ones prefixed by >>): drivers/i2c/busses/i2c-zx2967.c: In function 'zx2967_i2c_writesb': >> drivers/i2c/busses/i2c-zx2967.c:87:2: error: implicit declaration of function 'writesb' [-Werror=implicit-function-declaration] writesb(i2c->reg_base + reg, data, len); ^~~~~~~ drivers/i2c/busses/i2c-zx2967.c: In function 'zx2967_i2c_readsb': >> drivers/i2c/busses/i2c-zx2967.c:93:2: error: implicit declaration of function 'readsb' [-Werror=implicit-function-declaration] readsb(i2c->reg_base + reg, data, len); ^~~~~~ cc1: some warnings being treated as errors vim +/writesb +87 drivers/i2c/busses/i2c-zx2967.c 81 return readl_relaxed(i2c->reg_base + reg); 82 } 83 84 static void zx2967_i2c_writesb(struct zx2967_i2c *i2c, 85 void *data, unsigned long reg, int len) 86 { > 87 writesb(i2c->reg_base + reg, data, len); 88 } 89 90 static void zx2967_i2c_readsb(struct zx2967_i2c *i2c, 91 void *data, unsigned long reg, int len) 92 { > 93 readsb(i2c->reg_base + reg, data, len); 94 } 95 96 static void zx2967_i2c_start_ctrl(struct zx2967_i2c *i2c) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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