Hi Jeffrey, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on char-misc/char-misc-testing] [also build test WARNING on soc/for-next linus/master v5.7-rc6 next-20200519] [cannot apply to linux/master] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Jeffrey-Hugo/Qualcomm-Cloud-AI-1... base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git 57c76221d5af648c8355a55c09b050c5d8d38189 config: x86_64-allmodconfig (attached as .config) reproduce: # apt-get install sparse # sparse version: v0.6.1-193-gb8fad4bc-dirty # save the attached .config to linux build tree make C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/misc/qaic/qaic_control.c:209:21: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:225:67: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:305:21: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:311:22: sparse: sparse: bad assignment (+=) to restricted __le32 drivers/misc/qaic/qaic_control.c:369:74: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:375:21: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:405:22: sparse: sparse: bad assignment (+=) to restricted __le32 drivers/misc/qaic/qaic_control.c:432:72: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:434:21: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:439:22: sparse: sparse: bad assignment (+=) to restricted __le32 drivers/misc/qaic/qaic_control.c:609:31: sparse: sparse: cast to restricted __le32 drivers/misc/qaic/qaic_control.c:611:28: sparse: sparse: cast to restricted __le32 drivers/misc/qaic/qaic_control.c:612:28: sparse: sparse: cast to restricted __le32 drivers/misc/qaic/qaic_control.c:612:28: sparse: sparse: cast from restricted __le16 drivers/misc/qaic/qaic_control.c:629:21: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:637:40: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:637:56: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:640:34: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:640:34: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:640:34: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:640:34: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:664:33: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:788:24: sparse: sparse: cast from restricted __le32 drivers/misc/qaic/qaic_control.c:789:26: sparse: sparse: cast from restricted __le32 drivers/misc/qaic/qaic_control.c:887:21: sparse: sparse: restricted __le32 degrades to integer drivers/misc/qaic/qaic_control.c:981:31: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] magic_number @@ got e] magic_number @@ drivers/misc/qaic/qaic_control.c:981:31: sparse: expected restricted __le32 [usertype] magic_number drivers/misc/qaic/qaic_control.c:981:31: sparse: got int vim +207 drivers/misc/qaic/qaic_control.c 202 203 static int encode_passthrough(struct qaic_device *qdev, void *trans, 204 struct _msg *msg, u32 *user_len) 205 { 206 struct qaic_manage_trans_passthrough *in_trans = trans; 208 209 if (msg->hdr.len + in_trans->hdr.len > sizeof(*msg)) 210 return -ENOSPC; 211 212 memcpy(out_trans, in_trans, in_trans->hdr.len); 214 *user_len += in_trans->hdr.len; 215 out_trans->hdr.type = cpu_to_le32(TRANS_PASSTHROUGH_TO_DEV); 217 218 return 0; 219 } 220 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org