Revert "MLBEDSW-6954: Update to TensorFlow 2.11"

This reverts commit 9d254b6f9e76ccf266a0f72a0171e73bc8d435c9.

Reason for revert: Due to 0-size constants being treated differently (MLTOOLS-2043)

Change-Id: Ie1150fb2dd9092050a7fd44708a893d52ffe59f8
Signed-off-by: Rickard Bolin <rickard.bolin@arm.com>

4 files changed, 4 insertions, 17 deletions

diff --git a/README.md b/README.md
index f65f7af4..ecd13228 100644
--- a/README.md
+++ b/README.md
@@ -28,8 +28,8 @@ The tool has limited functionality for compiling a
 (EXPERIMENTAL).
 
 ## TensorFlow Support
-* Vela 3.7.0 to current supports TensorFlow 2.11 
-* Vela 3.6.0 supports TensorFlow 2.10
+
+* Vela 3.6.0 to current supports TensorFlow 2.10
 * Vela 3.5.0 supports TensorFlow 2.9
 * Vela 3.4.0 supports TensorFlow 2.8
 * Vela 3.3.0 supports TensorFlow 2.7
diff --git a/ethosu/vela/tflite/TensorType.py b/ethosu/vela/tflite/TensorType.py
index 604d4362..621d0c54 100644
--- a/ethosu/vela/tflite/TensorType.py
+++ b/ethosu/vela/tflite/TensorType.py
@@ -20,4 +20,3 @@ class TensorType(object):
     VARIANT = 14
     UINT32 = 15
     UINT16 = 16
-    INT4 = 17
diff --git a/ethosu/vela/tflite/TransposeConvOptions.py b/ethosu/vela/tflite/TransposeConvOptions.py
index af9159c2..a11a79e9 100644
--- a/ethosu/vela/tflite/TransposeConvOptions.py
+++ b/ethosu/vela/tflite/TransposeConvOptions.py
@@ -49,14 +49,7 @@ class TransposeConvOptions(object):
             return self._tab.Get(flatbuffers.number_types.Int32Flags, o + self._tab.Pos)
         return 0
 
-    # TransposeConvOptions
-    def FusedActivationFunction(self):
-        o = flatbuffers.number_types.UOffsetTFlags.py_type(self._tab.Offset(10))
-        if o != 0:
-            return self._tab.Get(flatbuffers.number_types.Int8Flags, o + self._tab.Pos)
-        return 0
-
-def TransposeConvOptionsStart(builder): builder.StartObject(4)
+def TransposeConvOptionsStart(builder): builder.StartObject(3)
 def Start(builder):
     return TransposeConvOptionsStart(builder)
 def TransposeConvOptionsAddPadding(builder, padding): builder.PrependInt8Slot(0, padding, 0)
@@ -68,9 +61,6 @@ def AddStrideW(builder, strideW):
 def TransposeConvOptionsAddStrideH(builder, strideH): builder.PrependInt32Slot(2, strideH, 0)
 def AddStrideH(builder, strideH):
     return TransposeConvOptionsAddStrideH(builder, strideH)
-def TransposeConvOptionsAddFusedActivationFunction(builder, fusedActivationFunction): builder.PrependInt8Slot(3, fusedActivationFunction, 0)
-def AddFusedActivationFunction(builder, fusedActivationFunction):
-    return TransposeConvOptionsAddFusedActivationFunction(builder, fusedActivationFunction)
 def TransposeConvOptionsEnd(builder): return builder.EndObject()
 def End(builder):
     return TransposeConvOptionsEnd(builder)
\ No newline at end of file
diff --git a/ethosu/vela/tflite_mapping.py b/ethosu/vela/tflite_mapping.py
index 11f74ba9..8ec01737 100644
--- a/ethosu/vela/tflite_mapping.py
+++ b/ethosu/vela/tflite_mapping.py
@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: Copyright 2020-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
+# SPDX-FileCopyrightText: Copyright 2020-2022 Arm Limited and/or its affiliates <open-source-office@arm.com>
 #
 # SPDX-License-Identifier: Apache-2.0
 #
@@ -162,7 +162,6 @@ def inverse_map(map):
 
 
 datatype_map = {
-    TensorType.INT4: DataType.int4,
     TensorType.UINT8: DataType.uint8,
     TensorType.INT8: DataType.int8,
     TensorType.INT16: DataType.int16,
@@ -185,7 +184,6 @@ datatype_map = {
 datatype_inv_map = inverse_map(datatype_map)
 datatype_inv_map[DataType.quint8] = TensorType.UINT8
 
-datatype_inv_map[DataType.qint4] = TensorType.INT4
 datatype_inv_map[DataType.qint8] = TensorType.INT8
 datatype_inv_map[DataType.qint16] = TensorType.INT16
 datatype_inv_map[DataType.qint32] = TensorType.INT32