tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4d41ead6ead97c3730bbd186a601a64828668f01 commit: ffe10e679cec9a99f19049459cb27c2fbb1e913a net: dsa: sja1105: Add support for the SGMII port config: arm-randconfig-m031-20200829 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> Reported-by: Dan Carpenter <dan.carpen...@oracle.com> New smatch warnings: drivers/net/dsa/sja1105/sja1105_main.c:1608 sja1105_static_config_reload() warn: bitwise AND condition is false here # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ffe10e679cec9a99f19049459cb27c2fbb1e913a git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout ffe10e679cec9a99f19049459cb27c2fbb1e913a vim +1608 drivers/net/dsa/sja1105/sja1105_main.c 6666cebc5e306f Vladimir Oltean 2019-05-02 1590 for (i = 0; i < SJA1105_NUM_PORTS; i++) { 8400cff60b472c Vladimir Oltean 2019-06-08 1591 rc = sja1105_adjust_port_config(priv, i, speed_mbps[i]); 6666cebc5e306f Vladimir Oltean 2019-05-02 1592 if (rc < 0) 6666cebc5e306f Vladimir Oltean 2019-05-02 1593 goto out; 6666cebc5e306f Vladimir Oltean 2019-05-02 1594 } ffe10e679cec9a Vladimir Oltean 2020-03-20 1595 ffe10e679cec9a Vladimir Oltean 2020-03-20 1596 if (sja1105_supports_sgmii(priv, SJA1105_SGMII_PORT)) { ffe10e679cec9a Vladimir Oltean 2020-03-20 1597 bool an_enabled = !!(bmcr & BMCR_ANENABLE); ffe10e679cec9a Vladimir Oltean 2020-03-20 1598 ffe10e679cec9a Vladimir Oltean 2020-03-20 1599 sja1105_sgmii_pcs_config(priv, an_enabled, false); ffe10e679cec9a Vladimir Oltean 2020-03-20 1600 ffe10e679cec9a Vladimir Oltean 2020-03-20 1601 if (!an_enabled) { ffe10e679cec9a Vladimir Oltean 2020-03-20 1602 int speed = SPEED_UNKNOWN; ffe10e679cec9a Vladimir Oltean 2020-03-20 1603 ffe10e679cec9a Vladimir Oltean 2020-03-20 1604 if (bmcr & BMCR_SPEED1000) ffe10e679cec9a Vladimir Oltean 2020-03-20 1605 speed = SPEED_1000; ffe10e679cec9a Vladimir Oltean 2020-03-20 1606 else if (bmcr & BMCR_SPEED100) ffe10e679cec9a Vladimir Oltean 2020-03-20 1607 speed = SPEED_100; ffe10e679cec9a Vladimir Oltean 2020-03-20 @1608 else if (bmcr & BMCR_SPEED10) ^^^^^^^^^^^^^^^^^^^ This is an impossible condition. BMCR_SPEED10 is zero. ffe10e679cec9a Vladimir Oltean 2020-03-20 1609 speed = SPEED_10; ffe10e679cec9a Vladimir Oltean 2020-03-20 1610 ffe10e679cec9a Vladimir Oltean 2020-03-20 1611 sja1105_sgmii_pcs_force_speed(priv, speed); ffe10e679cec9a Vladimir Oltean 2020-03-20 1612 } ffe10e679cec9a Vladimir Oltean 2020-03-20 1613 } 6666cebc5e306f Vladimir Oltean 2019-05-02 1614 out: af580ae2dcb250 Vladimir Oltean 2019-11-09 1615 mutex_unlock(&priv->mgmt_lock); af580ae2dcb250 Vladimir Oltean 2019-11-09 1616 6666cebc5e306f Vladimir Oltean 2019-05-02 1617 return rc; 6666cebc5e306f Vladimir Oltean 2019-05-02 1618 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
