Messages in this thread | | | Date | Wed, 11 Dec 2019 19:49:23 +0800 | From | kbuild test robot <> | Subject | drivers/ptp/ptp_clockmatrix.c:107: undefined reference to `i2c_transfer' |
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Hi Ingo,
It's probably a bug fix that unveils the link errors.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6794862a16ef41f753abd75c03a152836e4c8028 commit: 0bcd7762727dd8ba9b9b6f828e5a4cbd5da4f725 x86/iopl: Make 'struct tss_struct' constant size again date: 2 weeks ago config: i386-randconfig-b001-20191211 (attached as .config) compiler: gcc-7 (Debian 7.5.0-1) 7.5.0 reproduce: git checkout 0bcd7762727dd8ba9b9b6f828e5a4cbd5da4f725 # save the attached .config to linux build tree make ARCH=i386
If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
ld: drivers/ptp/ptp_clockmatrix.o: in function `idtcm_xfer': >> drivers/ptp/ptp_clockmatrix.c:107: undefined reference to `i2c_transfer' ld: drivers/ptp/ptp_clockmatrix.o: in function `idtcm_driver_init': >> drivers/ptp/ptp_clockmatrix.c:1427: undefined reference to `i2c_register_driver' ld: drivers/ptp/ptp_clockmatrix.o: in function `idtcm_driver_exit': >> drivers/ptp/ptp_clockmatrix.c:1427: undefined reference to `i2c_del_driver'
vim +107 drivers/ptp/ptp_clockmatrix.c
3a6ba7dc779935 Vincent Cheng 2019-10-31 86 3a6ba7dc779935 Vincent Cheng 2019-10-31 87 static int idtcm_xfer(struct idtcm *idtcm, 3a6ba7dc779935 Vincent Cheng 2019-10-31 88 u8 regaddr, 3a6ba7dc779935 Vincent Cheng 2019-10-31 89 u8 *buf, 3a6ba7dc779935 Vincent Cheng 2019-10-31 90 u16 count, 3a6ba7dc779935 Vincent Cheng 2019-10-31 91 bool write) 3a6ba7dc779935 Vincent Cheng 2019-10-31 92 { 3a6ba7dc779935 Vincent Cheng 2019-10-31 93 struct i2c_client *client = idtcm->client; 3a6ba7dc779935 Vincent Cheng 2019-10-31 94 struct i2c_msg msg[2]; 3a6ba7dc779935 Vincent Cheng 2019-10-31 95 int cnt; 3a6ba7dc779935 Vincent Cheng 2019-10-31 96 3a6ba7dc779935 Vincent Cheng 2019-10-31 97 msg[0].addr = client->addr; 3a6ba7dc779935 Vincent Cheng 2019-10-31 98 msg[0].flags = 0; 3a6ba7dc779935 Vincent Cheng 2019-10-31 99 msg[0].len = 1; 3a6ba7dc779935 Vincent Cheng 2019-10-31 100 msg[0].buf = ®addr; 3a6ba7dc779935 Vincent Cheng 2019-10-31 101 3a6ba7dc779935 Vincent Cheng 2019-10-31 102 msg[1].addr = client->addr; 3a6ba7dc779935 Vincent Cheng 2019-10-31 103 msg[1].flags = write ? 0 : I2C_M_RD; 3a6ba7dc779935 Vincent Cheng 2019-10-31 104 msg[1].len = count; 3a6ba7dc779935 Vincent Cheng 2019-10-31 105 msg[1].buf = buf; 3a6ba7dc779935 Vincent Cheng 2019-10-31 106 3a6ba7dc779935 Vincent Cheng 2019-10-31 @107 cnt = i2c_transfer(client->adapter, msg, 2); 3a6ba7dc779935 Vincent Cheng 2019-10-31 108 3a6ba7dc779935 Vincent Cheng 2019-10-31 109 if (cnt < 0) { 3a6ba7dc779935 Vincent Cheng 2019-10-31 110 dev_err(&client->dev, "i2c_transfer returned %d\n", cnt); 3a6ba7dc779935 Vincent Cheng 2019-10-31 111 return cnt; 3a6ba7dc779935 Vincent Cheng 2019-10-31 112 } else if (cnt != 2) { 3a6ba7dc779935 Vincent Cheng 2019-10-31 113 dev_err(&client->dev, 3a6ba7dc779935 Vincent Cheng 2019-10-31 114 "i2c_transfer sent only %d of %d messages\n", cnt, 2); 3a6ba7dc779935 Vincent Cheng 2019-10-31 115 return -EIO; 3a6ba7dc779935 Vincent Cheng 2019-10-31 116 } 3a6ba7dc779935 Vincent Cheng 2019-10-31 117 3a6ba7dc779935 Vincent Cheng 2019-10-31 118 return 0; 3a6ba7dc779935 Vincent Cheng 2019-10-31 119 } 3a6ba7dc779935 Vincent Cheng 2019-10-31 120
:::::: The code at line 107 was first introduced by commit :::::: 3a6ba7dc7799355557938fbdc15a558236011429 ptp: Add a ptp clock driver for IDT ClockMatrix.
:::::: TO: Vincent Cheng <vincent.cheng.xh@renesas.com> :::::: CC: David S. Miller <davem@davemloft.net>
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