Messages in this thread | | | Date | Wed, 27 Apr 2022 10:44:17 +0800 | From | kernel test robot <> | Subject | Re: [PATCH net 1/2] ptp: ptp_clockmatrix: Add PTP_CLK_REQ_EXTTS support |
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Hi Min,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on net/master]
url: https://github.com/intel-lab-lkp/linux/commits/Min-Li/ptp-ptp_clockmatrix-Add-PTP_CLK_REQ_EXTTS-support/20220427-033506 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git acb16b395c3f3d7502443e0c799c2b42df645642 config: i386-randconfig-a012-20220425 (https://download.01.org/0day-ci/archive/20220427/202204271014.NroTeynI-lkp@intel.com/config) compiler: gcc-11 (Debian 11.2.0-20) 11.2.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/afadc4edd1bf64b40cb61b38dedf67354baeb147 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Min-Li/ptp-ptp_clockmatrix-Add-PTP_CLK_REQ_EXTTS-support/20220427-033506 git checkout afadc4edd1bf64b40cb61b38dedf67354baeb147 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
ld: drivers/ptp/ptp_clockmatrix.o: in function `idtcm_get_dco_delay': >> drivers/ptp/ptp_clockmatrix.c:2222: undefined reference to `__udivdi3' >> ld: drivers/ptp/ptp_clockmatrix.c:2225: undefined reference to `__udivdi3'
vim +2222 drivers/ptp/ptp_clockmatrix.c
2191 2192 /* 2193 * Compensate for the PTP DCO input-to-output delay. 2194 * This delay is 18 FOD cycles. 2195 */ 2196 static u32 idtcm_get_dco_delay(struct idtcm_channel *channel) 2197 { 2198 struct idtcm *idtcm = channel->idtcm; 2199 u8 mbuf[8] = {0}; 2200 u8 nbuf[2] = {0}; 2201 u32 fodFreq; 2202 int err; 2203 u64 m; 2204 u16 n; 2205 2206 err = idtcm_read(idtcm, channel->dpll_ctrl_n, 2207 DPLL_CTRL_DPLL_FOD_FREQ, mbuf, 6); 2208 if (err) 2209 return 0; 2210 2211 err = idtcm_read(idtcm, channel->dpll_ctrl_n, 2212 DPLL_CTRL_DPLL_FOD_FREQ + 6, nbuf, 2); 2213 if (err) 2214 return 0; 2215 2216 m = get_unaligned_le64(mbuf); 2217 n = get_unaligned_le16(nbuf); 2218 2219 if (n == 0) 2220 n = 1; 2221 > 2222 fodFreq = m / n; 2223 2224 if (fodFreq >= 500000000) > 2225 return 18 * (u64)NSEC_PER_SEC / fodFreq; 2226 2227 return 0; 2228 } 2229
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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