WARNING: please, no spaces at the start of a line
#19: FILE: src/gsm/gsm_utils.c:1029:
+    uint32_t ptmsi = (1 << 31) | (1 << 30);$

WARNING: please, no spaces at the start of a line
#21: FILE: src/gsm/gsm_utils.c:1031:
+    switch (gprs_tlli_type(tlli)) {$

WARNING: please, no spaces at the start of a line
#22: FILE: src/gsm/gsm_utils.c:1032:
+    case TLLI_LOCAL:$

WARNING: please, no spaces at the start of a line
#23: FILE: src/gsm/gsm_utils.c:1033:
+    case TLLI_FOREIGN:$

ERROR: code indent should use tabs where possible
#24: FILE: src/gsm/gsm_utils.c:1034:
+        break;$

WARNING: please, no spaces at the start of a line
#24: FILE: src/gsm/gsm_utils.c:1034:
+        break;$

ERROR: code indent should use tabs where possible
#26: FILE: src/gsm/gsm_utils.c:1036:
+        return 0xffffffff;$

WARNING: please, no spaces at the start of a line
#26: FILE: src/gsm/gsm_utils.c:1036:
+        return 0xffffffff;$

WARNING: please, no spaces at the start of a line
#27: FILE: src/gsm/gsm_utils.c:1037:
+    }$

WARNING: please, no spaces at the start of a line
#29: FILE: src/gsm/gsm_utils.c:1039:
+    ptmsi |= tlli;$

WARNING: please, no spaces at the start of a line
#30: FILE: src/gsm/gsm_utils.c:1040:
+    return ptmsi;$

total: 2 errors, 9 warnings, 24 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

NOTE: Whitespace errors detected.
      You may wish to use scripts/cleanpatch or scripts/cleanfile

Your patch has style problems, please review.

NOTE: Ignored message types: ASSIGN_IN_IF AVOID_EXTERNS BLOCK_COMMENT_STYLE COMPLEX_MACRO CONSTANT_COMPARISON DEEP_INDENTATION EMBEDDED_FILENAME EMBEDDED_FUNCTION_NAME EXECUTE_PERMISSIONS FILE_PATH_CHANGES GLOBAL_INITIALISERS IF_0 INITIALISED_STATIC LINE_CONTINUATIONS LINE_SPACING LONG_LINE LONG_LINE_COMMENT LONG_LINE_STRING MACRO_WITH_FLOW_CONTROL MISSING_SPACE PREFER_DEFINED_ATTRIBUTE_MACRO PREFER_FALLTHROUGH REPEATED_WORD SPDX_LICENSE_TAG SPLIT_STRING STRING_FRAGMENTS SYMBOLIC_PERMS TRACING_LOGGING TRAILING_STATEMENTS UNNECESSARY_BREAK UNNECESSARY_INT UNSPECIFIED_INT VOLATILE

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.