Messages in this thread | | | Date | Fri, 7 Aug 2020 13:12:13 +0800 | From | kernel test robot <> | Subject | drivers/net/wireless/mediatek/mt76/mt7915/init.c:339:26: sparse: sparse: cast from restricted __le16 |
| |
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 86cfccb66937dd6cbf26ed619958b9e587e6a115 commit: 00b2e16e006390069480e90478aa8b6e924996d7 mt76: mt7915: add TxBF capabilities date: 3 months ago config: sparc64-randconfig-s032-20200806 (attached as .config) compiler: sparc64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.2-117-g8c7aee71-dirty git checkout 00b2e16e006390069480e90478aa8b6e924996d7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=sparc64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/net/wireless/mediatek/mt76/mt7915/init.c:339:26: sparse: sparse: cast from restricted __le16 >> drivers/net/wireless/mediatek/mt76/mt7915/init.c:339:26: sparse: sparse: cast from restricted __le16 >> drivers/net/wireless/mediatek/mt76/mt7915/init.c:339:26: sparse: sparse: cast from restricted __le16 >> drivers/net/wireless/mediatek/mt76/mt7915/init.c:339:26: sparse: sparse: cast from restricted __le16 >> drivers/net/wireless/mediatek/mt76/mt7915/init.c:339:26: sparse: sparse: cast from restricted __le16 >> drivers/net/wireless/mediatek/mt76/mt7915/init.c:339:26: sparse: sparse: cast from restricted __le16
vim +339 drivers/net/wireless/mediatek/mt76/mt7915/init.c
296 297 elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER; 298 elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; 299 300 c = IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK | 301 IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK; 302 elem->phy_cap_info[5] &= ~c; 303 304 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB | 305 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB; 306 elem->phy_cap_info[6] &= ~c; 307 308 elem->phy_cap_info[7] &= ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK; 309 310 c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US | 311 IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO | 312 IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO; 313 elem->phy_cap_info[2] |= c; 314 315 c = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE | 316 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 | 317 IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4; 318 elem->phy_cap_info[4] |= c; 319 320 /* do not support NG16 due to spec D4.0 changes subcarrier idx */ 321 c = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU | 322 IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU; 323 324 if (vif == NL80211_IFTYPE_STATION) 325 c |= IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO; 326 327 elem->phy_cap_info[6] |= c; 328 329 if (nss < 2) 330 return; 331 332 if (vif != NL80211_IFTYPE_AP) 333 return; 334 335 elem->phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER; 336 elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER; 337 338 /* num_snd_dim */ > 339 c = (nss - 1) | (max_t(int, mcs->tx_mcs_160, 1) << 3); 340 elem->phy_cap_info[5] |= c; 341 342 c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB | 343 IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB; 344 elem->phy_cap_info[6] |= c; 345 346 /* the maximum cap is 4 x 3, (Nr, Nc) = (3, 2) */ 347 elem->phy_cap_info[7] |= min_t(int, nss - 1, 2) << 3; 348 } 349
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org [unhandled content-type:application/gzip] | |