diff --git a/0001-docs-fix-example-of-reading-EEPROM.patch b/0001-docs-fix-example-of-reading-EEPROM.patch
deleted file mode 100644
index e453d2a..0000000
--- a/0001-docs-fix-example-of-reading-EEPROM.patch
+++ /dev/null
@@ -1,41 +0,0 @@
-From 3673725ba9982023cdeea87afbe87ea470971cfe Mon Sep 17 00:00:00 2001
-From: "S. Lockwood-Childs" <sjl@vctlabs.com>
-Date: Sat, 28 Sep 2019 18:59:13 -0700
-Subject: [PATCH] docs: fix example of reading EEPROM
-
-Fixes:
-https://github.com/VCTLabs/cp210x-program/issues/1
----
- README         | 2 +-
- doc/index.html | 2 +-
- 2 files changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/README b/README
-index f1c80d4..99193c0 100644
---- a/README
-+++ b/README
-@@ -45,7 +45,7 @@ Usage
- -----
- 
- Read EEPROM content into hexfile:
--$ cp210x-program --read-cp210x -F eeprom-content.hex
-+$ cp210x-program --read-cp210x -f eeprom-content.hex
- 
- Show EEPROM content from device 002 on bus 001:
- $ cp210x-program --read-cp210x -m 001/002
-diff --git a/doc/index.html b/doc/index.html
-index 6783504..9ff13fe 100644
---- a/doc/index.html
-+++ b/doc/index.html
-@@ -79,7 +79,7 @@ programmed IDs are reprogrammed at this IDs to 45-cp210x-programming.rules.
-     <h2>Usage</h2>
- 
-     <h3>Read EEPROM content into hexfile:</h3>
--<pre>$ cp210x-program --read-cp210x -F eeprom-content.hex
-+<pre>$ cp210x-program --read-cp210x -f eeprom-content.hex
- </pre>
- 
-     <h3>Show EEPROM content from device 002 on bus 001:</h3>
--- 
-2.28.0
-
diff --git a/3.patch b/3.patch
deleted file mode 100644
index ba320ac..0000000
--- a/3.patch
+++ /dev/null
@@ -1,630 +0,0 @@
-From b37ff1f5af380f705b17a250c2a762e2fdf8e032 Mon Sep 17 00:00:00 2001
-From: Harald Welte <laforge@osmocom.org>
-Date: Sat, 24 Oct 2020 13:29:36 +0200
-Subject: [PATCH 1/3] port to Python 3.  Python 2 was EOL since January 1st,
- 2020
-
----
- cp210x-program      | 20 ++++++++++----------
- cp210x/cp210x.py    | 11 ++++++-----
- cp210x/eeprom.py    | 10 +++++-----
- cp210x/valuefile.py | 14 +++++++-------
- 4 files changed, 28 insertions(+), 27 deletions(-)
-
-diff --git a/cp210x-program b/cp210x-program
-index 3a1209c..1d5071d 100755
---- a/cp210x-program
-+++ b/cp210x-program
-@@ -1,4 +1,4 @@
--#!/usr/bin/env python
-+#!/usr/bin/env python3
- # -*- coding: utf-8 -*-
- # Copyright (c) 2007 Johannes Hölzl <johannes.hoelzl@gmx.de>
- #
-@@ -20,7 +20,7 @@ import optparse
- from cp210x import valuefile, cp210x
- from cp210x.eeprom import EEPROM, HexFileError
- from cp210x.valuefile import read_baudrate_info, update_values, ValuesFileError
--TRANS_UNDERSCORE = string.maketrans('_', '-')
-+TRANS_UNDERSCORE = str.maketrans('_', '-')
-     
- ERR_OK = 0
- ERR_WRONG_INPUT = -1
-@@ -37,14 +37,14 @@ def error(message, retval=-1):
- class Option(optparse.Option):
-     TYPES = list(optparse.Option.TYPES)
-     TYPE_CHECKER = dict(optparse.Option.TYPE_CHECKER)
--    for type, (reader, _) in valuefile.TYPES.items():
-+    for type, (reader, _) in list(valuefile.TYPES.items()):
-         if type in TYPES:
-             continue
-         TYPES.append(type)
-         def checker(self, name, value, reader=reader):
-             try:
-                 return reader(value)
--            except ValueError, err:
-+            except ValueError as err:
-                 raise optparse.OptionValueError("option %s: %s" % (name,
-                                                                    str(err)))
-         TYPE_CHECKER[type] = checker
-@@ -90,7 +90,7 @@ def options_to_values(options):
-             try:
-                 baudrate_table.append(read_baudrate_info(info) + 
-                                       (int(baudrate), ))
--            except ValueError, err:
-+            except ValueError as err:
-                 error("option --set-baudrate: %s" % str(err), 
-                       ERR_WRONG_INPUT)
-             
-@@ -242,19 +242,19 @@ if __name__ == '__main__':
-         error("Can not write data to device. Device is locked.", 
-               ERR_DEVICE_LOCKED)
- 
--    except cp210x.Cp210xError, err:
-+    except cp210x.Cp210xError as err:
-         error(str(err), ERR_DEVICE_ERROR)
- 
--    except IOError, err:
-+    except IOError as err:
-         error(str(err), ERR_OTHER)
- 
--    except HexFileError, err:
-+    except HexFileError as err:
-         error(str(err), ERR_OTHER)
-         
--    except ValuesFileError, err:
-+    except ValuesFileError as err:
-         error(str(err), ERR_OTHER)
- 
--    except SystemExit, err:
-+    except SystemExit as err:
-         raise
- 
-     except:
-diff --git a/cp210x/cp210x.py b/cp210x/cp210x.py
-index 4036baf..bbddccf 100644
---- a/cp210x/cp210x.py
-+++ b/cp210x/cp210x.py
-@@ -73,7 +73,8 @@ def to_bcd(i):
-     assert i >= 0 and i <= 99
-     return (i // 10) << 4 | (i % 10)
- 
--def to_bcd2( (i, j) ):
-+def to_bcd2(i_j_tuple):
-+    (i, j) = i_j_tuple
-     return to_bcd(i) << 8 | to_bcd(j)
- 
- def from_bcd(num):
-@@ -87,7 +88,7 @@ def from_binary(data, le=True):
-     if le:
-         data = data[::-1]
-     for byte in data:
--        value = value << 8 | ord(byte)
-+        value = value << 8 | int(byte)
-     return value
- 
- def to_binary(value, size=2, le=True):
-@@ -122,7 +123,7 @@ def __init__(self, patterns):
- 
-     def __call__(self, dev):
-         for pattern in self.patterns:
--            for name, value in pattern.items():
-+            for name, value in list(pattern.items()):
-                 if getattr(dev, name) != value:
-                     return False
-             return True
-@@ -209,7 +210,7 @@ def _set_config(self, value, index=0, data=None, request=CP210x_CONFIG):
-                               % (res, len(data)))
- 
-     def _set_config_string(self, value, content, max_desc_size):
--        assert isinstance(content, basestring)
-+        assert isinstance(content, str)
-         encoded = content.encode('utf-16-le')
-         desc_size = len(encoded) + 2
-         assert desc_size <= max_desc_size
-@@ -352,7 +353,7 @@ def set_locked(self, locked):
-             self._set_config(REG_LOCK_VALUE, LCK_UNLOCKED)
- 
-     def set_values(self, values):
--        for name, value in values.items():
-+        for name, value in list(values.items()):
-             if name not in ['part_number', 'vendor_string']:
-                 getattr(self, "set_" + name) (value)
-             
-diff --git a/cp210x/eeprom.py b/cp210x/eeprom.py
-index 22f9937..efc5c39 100644
---- a/cp210x/eeprom.py
-+++ b/cp210x/eeprom.py
-@@ -11,8 +11,8 @@ class EEPROM:
-     of a CP210x. Also provides access to single fields in the EEPROM.
- """
- 
--import cp210x
--from cp210x import from_binary, to_binary, VALUES
-+from . import cp210x
-+from .cp210x import from_binary, to_binary, VALUES
- 
- __all__ = ['EEPROM', 'HexFileError']
- 
-@@ -29,7 +29,7 @@ class EEPROM:
- POS_VENDOR_STRING   = 0x03C3
- POS_LOCK_VALUE      = 0x03FF
- 
--class HexFileError(StandardError):
-+class HexFileError(Exception):
-     pass
- 
- def checksum(line):
-@@ -46,7 +46,7 @@ def _str_value(position, max_desc_size):
-     def get(self):
-         desc_size = from_binary(self.get(position, 1))
-         assert desc_size <= max_desc_size and desc_size >= 2, "desc_size: %d, max: %d" % (desc_size, max_desc_size)
--        assert self.get(position + 1, 1) == '\x03', "Missing 0x03 at %04X" % (position + 1)
-+        assert self.get(position + 1, 1) == b'\x03', "Missing 0x03 at %04X" % (position + 1)
-         return self.get(position + 2, desc_size - 2).decode('utf-16-le')
-         
-     def set(self, value):
-@@ -184,7 +184,7 @@ def get_values(self):
-         return dict((name, getattr(self, name)) for name, type in VALUES)
- 
-     def set_values(self, values):
--        for name, value in values.items():
-+        for name, value in list(values.items()):
-             setattr(self, name, value)
- 
-             
-diff --git a/cp210x/valuefile.py b/cp210x/valuefile.py
-index ae665d2..aeaa8b6 100644
---- a/cp210x/valuefile.py
-+++ b/cp210x/valuefile.py
-@@ -9,15 +9,15 @@
- # http://www.silabs.com/public/documents/tpub_doc/anote/Microcontrollers/Interface/en/an205.pdf
- 
- import re
--from ConfigParser import ConfigParser
-+from configparser import ConfigParser
- 
--import cp210x
--from cp210x import VALUES, SIZE_BAUDRATES
-+from . import cp210x
-+from .cp210x import VALUES, SIZE_BAUDRATES
- 
- __all__ = ['read_file', 'write_file', 'update_values', 'PrescalerIsZero',
-            'ValuesFileError']
- 
--class ValuesError(StandardError):
-+class ValuesError(Exception):
-     pass
- 
- class PrescalerIsZero(ValuesError):
-@@ -89,13 +89,13 @@ def read_file(fp):
-     values = {}
-     
-     for name, type in VALUES:
--        if name is 'baudrate_table':
-+        if name == 'baudrate_table':
-             continue
-         reader, _ = TYPES[type]
-         if cp.has_option('usb device', name):
-             try:
-                 values[name] = reader(cp.get('usb device', name))
--            except ValueError, err:
-+            except ValueError as err:
-                 raise ValuesFileError("Key '%s': %s" % (name, str(err)))
-     
-     if cp.has_section('baudrate table'):
-@@ -108,7 +108,7 @@ def read_file(fp):
-                                       " baudrate numbers.")
-             try:
-                 baudrate_table.append(read_baudrate_info(value) + (baudrate, ))
--            except ValueError, err:
-+            except ValueError as err:
-                 raise ValuesFileError("Wrong baudrate info %i: %s"
-                                       % (baudrate, str(err)))
-         baudrate_table.sort(key=(lambda i: i[3]), reverse=True)
-
-From cc7716cd66fa4cd2637ab31a7bbe42bb6028508a Mon Sep 17 00:00:00 2001
-From: Michal Suchanek <msuchanek@suse.de>
-Date: Sat, 24 Oct 2020 21:53:10 +0200
-Subject: [PATCH 2/3] Fix -p option.
-
----
- cp210x-program   |  4 ++--
- cp210x/cp210x.py |  8 ++++----
- cp210x/eeprom.py | 18 +++++++++---------
- 3 files changed, 15 insertions(+), 15 deletions(-)
-
-diff --git a/cp210x-program b/cp210x-program
-index 1d5071d..cef399b 100755
---- a/cp210x-program
-+++ b/cp210x-program
-@@ -62,13 +62,13 @@ def input_file(arg):
-     if arg is None or arg == '-':
-         return sys.stdin
-     else:
--        return file(arg, 'rb')
-+        return open(arg, 'r')
- 
- def output_file(arg):
-     if arg is None or arg == '-':
-         return sys.stdout
-     else:
--        return file(arg, 'wb')
-+        return open(arg, 'w')
- 
- def options_to_values(options):
-     values = {}
-diff --git a/cp210x/cp210x.py b/cp210x/cp210x.py
-index bbddccf..b8d57ae 100644
---- a/cp210x/cp210x.py
-+++ b/cp210x/cp210x.py
-@@ -92,14 +92,14 @@ def from_binary(data, le=True):
-     return value
- 
- def to_binary(value, size=2, le=True):
--    data = ''
-+    data = []
-     for i in range(size):
--        data += chr(value & 0xFF)
-+        data.append(value & 0xFF)
-         value >>= 8
-     if le:
--        return data
-+        return bytes(data)
-     else:
--        return data[::-1]
-+        return bytes(data[::-1])
-     
- def parse_baudrate_cfg(data):
-     return (from_binary(data[0:2], le=False), 
-diff --git a/cp210x/eeprom.py b/cp210x/eeprom.py
-index efc5c39..dd47190 100644
---- a/cp210x/eeprom.py
-+++ b/cp210x/eeprom.py
-@@ -33,7 +33,7 @@ class HexFileError(Exception):
-     pass
- 
- def checksum(line):
--    return sum(ord(c) for c in line) & 0xFF
-+    return sum((c) for c in line) & 0xFF
- 
- def _int_value(position, size, read=lambda x:x, write=lambda x:x):
-     def get(self):
-@@ -53,7 +53,7 @@ def set(self, value):
-         encoded = value.encode('utf-16-le')
-         desc_size = len(encoded) + 2
-         assert desc_size <= max_desc_size
--        self.set(position, chr(desc_size) + '\x03' + encoded)
-+        self.set(position, bytes([desc_size]) + b'\x03' + encoded)
-         
-     return property(get, set)
- 
-@@ -72,14 +72,14 @@ def write_to_cp210x(self, cp210xDevice):
-         cp210xDevice.set_eeprom_content(self.content)
-             
-     def parse_hex_file(self, hex_content):
--        self.content = ''
-+        self.content = b''
-         address = self.START_ADDRESS
-         for tag in hex_content.split('\n'):
-             if not tag.startswith(':'):
-                 raise HexFileError("Line doesn't start with ':'")
-             
-             try:
--                content = tag[1:].decode('hex')
-+                content = bytes.fromhex(tag[1:])
-             except TypeError:
-                 raise HexFileError("Hex data expected")
-             
-@@ -89,7 +89,7 @@ def parse_hex_file(self, hex_content):
-             if checksum(content) != 0:
-                 raise HexFileError("Checksum error")
-         
--            size = from_binary(content[0])
-+            size = from_binary(content[0:1])
-             tag_address = from_binary(content[1:3], le=False)
-             tag_type = from_binary(content[3:4])
-             line = content[4:-1]
-@@ -114,14 +114,14 @@ def build_hex_file(self):
-             address = self.START_ADDRESS + tag_start
-             tag = (to_binary(len(line), 1) + 
-                    to_binary(address, le=False) + 
--                   '\x00' + 
-+                   b'\x00' + 
-                    line)
-             cs = checksum(tag)
-             if cs == 0:
--                tag += '\x00'
-+                tag += b'\x00'
-             else:
--                tag += chr(0x100 - cs)
--            yield ":%s\n" % tag.encode('hex')
-+                tag += bytes([0x100 - cs])
-+            yield ":%s\n" % tag.hex()
-         yield ":00000001FF\n"
- 
-     def write_hex_file(self, f):
-
-From 85f4118b32f63b2992fb5db597181f2f2cff0a37 Mon Sep 17 00:00:00 2001
-From: Michal Suchanek <msuchanek@suse.de>
-Date: Sun, 25 Oct 2020 10:07:50 +0100
-Subject: [PATCH 3/3] Add basic test.
-
----
- test.sh                  | 15 ++++++++++
- testdata/cp2102-opi.hex  | 65 ++++++++++++++++++++++++++++++++++++++++
- testdata/cp2102-opi.ini  | 45 ++++++++++++++++++++++++++++
- testdata/cp2102-orig.hex | 65 ++++++++++++++++++++++++++++++++++++++++
- testdata/cp2102-orig.ini | 45 ++++++++++++++++++++++++++++
- 5 files changed, 235 insertions(+)
- create mode 100755 test.sh
- create mode 100644 testdata/cp2102-opi.hex
- create mode 100644 testdata/cp2102-opi.ini
- create mode 100644 testdata/cp2102-orig.hex
- create mode 100644 testdata/cp2102-orig.ini
-
-diff --git a/test.sh b/test.sh
-new file mode 100755
-index 0000000..2187a20
---- /dev/null
-+++ b/test.sh
-@@ -0,0 +1,15 @@
-+#!/bin/sh -e
-+./cp210x-program -p -F testdata/cp2102-orig.hex > test.out
-+diff -us testdata/cp2102-orig.ini test.out
-+./cp210x-program -p -F testdata/cp2102-orig.hex -i test.out
-+diff -us testdata/cp2102-orig.ini test.out
-+./cp210x-program -pc -F testdata/cp2102-orig.hex -f test.out
-+diff -us testdata/cp2102-orig.hex test.out
-+./cp210x-program -pc \
-+  --set-product-string='Orange Pi Zero LTS 512' --set-serial-number='02c00142499c98f8' \
-+  --set-vendor-string='Xunlong' --set-bus-powered=yes \
-+  -F testdata/cp2102-orig.hex -i test.out.2 > test.out
-+diff -us testdata/cp2102-opi.ini test.out.2
-+diff -us testdata/cp2102-opi.hex test.out
-+
-+rm -vf test.out.2 test.out
-diff --git a/testdata/cp2102-opi.hex b/testdata/cp2102-opi.hex
-new file mode 100644
-index 0000000..1e0f3ac
---- /dev/null
-+++ b/testdata/cp2102-opi.hex
-@@ -0,0 +1,65 @@
-+:10360000fff0fffa010060e31600fff0fffa01008f
-+:1036100060e31600ffecfff80100804f1200ffe6a8
-+:10362000fff6010000100e00ffd6fff0010000caf7
-+:103630000800ffd0ffee010020a10700ffccffec47
-+:10364000010000080700ffa2ffdc010000e8030002
-+:10365000ffa0ffdc010090d00300ff98ffd901001c
-+:1036600000840300ff64ffc5010000580200ff440e
-+:10367000ffb9010000f40100ff30ffb2010000c2f9
-+:103680000100fec8ff8b0100002c0100fe89ff73c2
-+:10369000010000fa0000fe5fff63010000e100008e
-+:1036a000fe53ff5f0100c0da0000fe2bff50010057
-+:1036b00000c80000fd8fff15010000960000fcbf50
-+:1036c000fec7010080700000fb1efe2b0100004bb6
-+:1036d0000000fa24fe0c0100803e0000f97dfe0c83
-+:1036e000010040380000f63cfe0c0100802500007f
-+:1036f000f2fbfe0c0100201c0000ec78fe0c010027
-+:10370000c0120000e890fe0c0100a00f0000d8f0ed
-+:10371000fe0c010060090000cbebfe0c0100080765
-+:103720000000b1e0fe0c0100b004000063c0fe0c1c
-+:10373000010058020000b1e0fe0c04002c01000062
-+:103740000000000000000000000000000000000079
-+:103750000000000000000000000000000000000069
-+:103760000000000000000000000000000000000059
-+:103770000000000000000000000000000000000049
-+:103780000000000000000000000000000000000039
-+:103790000000000000000000000000000000000029
-+:1037a0000000000000000000000000000000000019
-+:1037b0000000000000000000000000000000000009
-+:1037c00000000000000000000000000000000000f9
-+:1037d00000000000000000000000000000000000e9
-+:1037e00000000000000000000000000000000000d9
-+:1037f00000000000000000000000000000000002c7
-+:1038000004030904000000002e034f007200610051
-+:103810006e006700650020005000690020005a001b
-+:10382000650072006f0020004c005400530020001f
-+:10383000350031003200640067006500200043005d
-+:103840006f006e00740072006f006c006c00650009
-+:1038500072000000000000000000000000000000f6
-+:103860000000000000000000000000000000000058
-+:103870000000000000000000000000000000000048
-+:103880000000000000000000000000000000000038
-+:103890000000000000000000000000000000000028
-+:1038a0000000000000000000000000000000000018
-+:1038b0000000000000000000000000000000000008
-+:1038c00000000000000000000000000000000000f8
-+:1038d00000000000000000000000000000000000e8
-+:1038e00000000000000000000000000000000000d8
-+:1038f00000000000000000000000000000000000c8
-+:10390000000000000000002203300032006300309d
-+:1039100000300031003400320034003900390063d7
-+:103920000039003800660038000000000000000088
-+:103930000000000000000000000000000000000087
-+:103940000000000000000000000000000000000077
-+:103950000000000000000000000000000000000067
-+:103960000000000000000000000000000000000057
-+:103970000000000000000000000000000000000047
-+:1039800000000000000000021201100100000040d1
-+:10399000c41060ea000101020301090220000101d4
-+:1039a00000c0320904000002ff0000020705810286
-+:1039b0004000000705010240000000000000000078
-+:1039c0000000001003580075006e006c006f006e60
-+:1039d00000670020004c00610062007300000000de
-+:1039e00000000000000000000000000000000000d7
-+:1039f000000000000000000000000000000000ffc8
-+:00000001FF
-diff --git a/testdata/cp2102-opi.ini b/testdata/cp2102-opi.ini
-new file mode 100644
-index 0000000..71c7832
---- /dev/null
-+++ b/testdata/cp2102-opi.ini
-@@ -0,0 +1,45 @@
-+[usb device]
-+product_string = Orange Pi Zero LTS 512
-+serial_number = 02c00142499c98f8
-+vendor_id = 10C4
-+product_id = EA60
-+version = 1.00
-+bus_powered = yes
-+max_power = 100
-+locked = no
-+part_number = 2
-+vendor_string = Xunlong
-+
-+[baudrate table]
-+1500000 = FFF0, FFFA, 1 # 1500000 Baud, 12 us
-+1500000 = FFF0, FFFA, 1 # 1500000 Baud, 12 us
-+1200000 = FFEC, FFF8, 1 # 1200000 Baud, 16 us
-+ 921600 = FFE6, FFF6, 1 #  923077 Baud, 20 us
-+ 576000 = FFD6, FFF0, 1 #  571429 Baud, 32 us
-+ 500000 = FFD0, FFEE, 1 #  500000 Baud, 36 us
-+ 460800 = FFCC, FFEC, 1 #  461538 Baud, 40 us
-+ 256000 = FFA2, FFDC, 1 #  255319 Baud, 72 us
-+ 250000 = FFA0, FFDC, 1 #  250000 Baud, 72 us
-+ 230400 = FF98, FFD9, 1 #  230769 Baud, 78 us
-+ 153600 = FF64, FFC5, 1 #  153846 Baud, 118 us
-+ 128000 = FF44, FFB9, 1 #  127660 Baud, 142 us
-+ 115200 = FF30, FFB2, 1 #  115385 Baud, 156 us
-+  76800 = FEC8, FF8B, 1 #   76923 Baud, 234 us
-+  64000 = FE89, FF73, 1 #   64000 Baud, 282 us
-+  57600 = FE5F, FF63, 1 #   57554 Baud, 314 us
-+  56000 = FE53, FF5F, 1 #   55944 Baud, 322 us
-+  51200 = FE2B, FF50, 1 #   51173 Baud, 352 us
-+  38400 = FD8F, FF15, 1 #   38400 Baud, 470 us
-+  28800 = FCBF, FEC7, 1 #   28812 Baud, 626 us
-+  19200 = FB1E, FE2B, 1 #   19200 Baud, 938 us
-+  16000 = FA24, FE0C, 1 #   16000 Baud, 1.000 ms
-+  14400 = F97D, FE0C, 1 #   14397 Baud, 1.000 ms
-+   9600 = F63C, FE0C, 1 #    9600 Baud, 1.000 ms
-+   7200 = F2FB, FE0C, 1 #    7201 Baud, 1.000 ms
-+   4800 = EC78, FE0C, 1 #    4800 Baud, 1.000 ms
-+   4000 = E890, FE0C, 1 #    4000 Baud, 1.000 ms
-+   2400 = D8F0, FE0C, 1 #    2400 Baud, 1.000 ms
-+   1800 = CBEB, FE0C, 1 #    1800 Baud, 1.000 ms
-+   1200 = B1E0, FE0C, 1 #    1200 Baud, 1.000 ms
-+    600 = 63C0, FE0C, 1 #     600 Baud, 1.000 ms
-+    300 = B1E0, FE0C, 4 #     300 Baud, 1.000 ms
-diff --git a/testdata/cp2102-orig.hex b/testdata/cp2102-orig.hex
-new file mode 100644
-index 0000000..08b5250
---- /dev/null
-+++ b/testdata/cp2102-orig.hex
-@@ -0,0 +1,65 @@
-+:10360000fff0fffa010060e31600fff0fffa01008f
-+:1036100060e31600ffecfff80100804f1200ffe6a8
-+:10362000fff6010000100e00ffd6fff0010000caf7
-+:103630000800ffd0ffee010020a10700ffccffec47
-+:10364000010000080700ffa2ffdc010000e8030002
-+:10365000ffa0ffdc010090d00300ff98ffd901001c
-+:1036600000840300ff64ffc5010000580200ff440e
-+:10367000ffb9010000f40100ff30ffb2010000c2f9
-+:103680000100fec8ff8b0100002c0100fe89ff73c2
-+:10369000010000fa0000fe5fff63010000e100008e
-+:1036a000fe53ff5f0100c0da0000fe2bff50010057
-+:1036b00000c80000fd8fff15010000960000fcbf50
-+:1036c000fec7010080700000fb1efe2b0100004bb6
-+:1036d0000000fa24fe0c0100803e0000f97dfe0c83
-+:1036e000010040380000f63cfe0c0100802500007f
-+:1036f000f2fbfe0c0100201c0000ec78fe0c010027
-+:10370000c0120000e890fe0c0100a00f0000d8f0ed
-+:10371000fe0c010060090000cbebfe0c0100080765
-+:103720000000b1e0fe0c0100b004000063c0fe0c1c
-+:10373000010058020000b1e0fe0c04002c01000062
-+:103740000000000000000000000000000000000079
-+:103750000000000000000000000000000000000069
-+:103760000000000000000000000000000000000059
-+:103770000000000000000000000000000000000049
-+:103780000000000000000000000000000000000039
-+:103790000000000000000000000000000000000029
-+:1037a0000000000000000000000000000000000019
-+:1037b0000000000000000000000000000000000009
-+:1037c00000000000000000000000000000000000f9
-+:1037d00000000000000000000000000000000000e9
-+:1037e00000000000000000000000000000000000d9
-+:1037f00000000000000000000000000000000002c7
-+:1038000004030904000000004a0343005000320092
-+:1038100031003000320020005500530042002000eb
-+:1038200074006f0020005500410052005400200039
-+:1038300042007200690064006700650020004300d8
-+:103840006f006e00740072006f006c006c00650009
-+:1038500072000000000000000000000000000000f6
-+:103860000000000000000000000000000000000058
-+:103870000000000000000000000000000000000048
-+:103880000000000000000000000000000000000038
-+:103890000000000000000000000000000000000028
-+:1038a0000000000000000000000000000000000018
-+:1038b0000000000000000000000000000000000008
-+:1038c00000000000000000000000000000000000f8
-+:1038d00000000000000000000000000000000000e8
-+:1038e00000000000000000000000000000000000d8
-+:1038f00000000000000000000000000000000000c8
-+:10390000000000000000000a0330003000300031e9
-+:1039100000000000000000000000000000000000a7
-+:103920000000000000000000000000000000000097
-+:103930000000000000000000000000000000000087
-+:103940000000000000000000000000000000000077
-+:103950000000000000000000000000000000000067
-+:103960000000000000000000000000000000000057
-+:103970000000000000000000000000000000000047
-+:1039800000000000000000021201100100000040d1
-+:10399000c41060ea000101020301090220000101d4
-+:1039a0000080320904000002ff00000207058102c6
-+:1039b0004000000705010240000000000000000078
-+:1039c0000000001a03530069006c00690063006f77
-+:1039d000006e0020004c00610062007300000000d7
-+:1039e00000000000000000000000000000000000d7
-+:1039f000000000000000000000000000000000ffc8
-+:00000001FF
-diff --git a/testdata/cp2102-orig.ini b/testdata/cp2102-orig.ini
-new file mode 100644
-index 0000000..3e2fa6d
---- /dev/null
-+++ b/testdata/cp2102-orig.ini
-@@ -0,0 +1,45 @@
-+[usb device]
-+product_string = CP2102 USB to UART Bridge Controller
-+serial_number = 0001
-+vendor_id = 10C4
-+product_id = EA60
-+version = 1.00
-+bus_powered = no
-+max_power = 100
-+locked = no
-+part_number = 2
-+vendor_string = Silicon Labs
-+
-+[baudrate table]
-+1500000 = FFF0, FFFA, 1 # 1500000 Baud, 12 us
-+1500000 = FFF0, FFFA, 1 # 1500000 Baud, 12 us
-+1200000 = FFEC, FFF8, 1 # 1200000 Baud, 16 us
-+ 921600 = FFE6, FFF6, 1 #  923077 Baud, 20 us
-+ 576000 = FFD6, FFF0, 1 #  571429 Baud, 32 us
-+ 500000 = FFD0, FFEE, 1 #  500000 Baud, 36 us
-+ 460800 = FFCC, FFEC, 1 #  461538 Baud, 40 us
-+ 256000 = FFA2, FFDC, 1 #  255319 Baud, 72 us
-+ 250000 = FFA0, FFDC, 1 #  250000 Baud, 72 us
-+ 230400 = FF98, FFD9, 1 #  230769 Baud, 78 us
-+ 153600 = FF64, FFC5, 1 #  153846 Baud, 118 us
-+ 128000 = FF44, FFB9, 1 #  127660 Baud, 142 us
-+ 115200 = FF30, FFB2, 1 #  115385 Baud, 156 us
-+  76800 = FEC8, FF8B, 1 #   76923 Baud, 234 us
-+  64000 = FE89, FF73, 1 #   64000 Baud, 282 us
-+  57600 = FE5F, FF63, 1 #   57554 Baud, 314 us
-+  56000 = FE53, FF5F, 1 #   55944 Baud, 322 us
-+  51200 = FE2B, FF50, 1 #   51173 Baud, 352 us
-+  38400 = FD8F, FF15, 1 #   38400 Baud, 470 us
-+  28800 = FCBF, FEC7, 1 #   28812 Baud, 626 us
-+  19200 = FB1E, FE2B, 1 #   19200 Baud, 938 us
-+  16000 = FA24, FE0C, 1 #   16000 Baud, 1.000 ms
-+  14400 = F97D, FE0C, 1 #   14397 Baud, 1.000 ms
-+   9600 = F63C, FE0C, 1 #    9600 Baud, 1.000 ms
-+   7200 = F2FB, FE0C, 1 #    7201 Baud, 1.000 ms
-+   4800 = EC78, FE0C, 1 #    4800 Baud, 1.000 ms
-+   4000 = E890, FE0C, 1 #    4000 Baud, 1.000 ms
-+   2400 = D8F0, FE0C, 1 #    2400 Baud, 1.000 ms
-+   1800 = CBEB, FE0C, 1 #    1800 Baud, 1.000 ms
-+   1200 = B1E0, FE0C, 1 #    1200 Baud, 1.000 ms
-+    600 = 63C0, FE0C, 1 #     600 Baud, 1.000 ms
-+    300 = B1E0, FE0C, 4 #     300 Baud, 1.000 ms
diff --git a/cp210x-program-0-3.tar.gz b/cp210x-program-0-3.tar.gz
deleted file mode 100644
index 29feefa..0000000
--- a/cp210x-program-0-3.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:46a45ef34b407258ef7cb7e6b79aae6457de8bc9792aa4acc2aeef0d5b1f7c51
-size 24290
diff --git a/cp210x-program-0-4.tar.gz b/cp210x-program-0-4.tar.gz
new file mode 100644
index 0000000..022c327
--- /dev/null
+++ b/cp210x-program-0-4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ccd5c0cf250653c0fbd07c0432d924e79c221eb6d9508c46c00f9228de3fb83b
+size 26083
diff --git a/cp210x-program.changes b/cp210x-program.changes
index 63c0d71..72aaedd 100644
--- a/cp210x-program.changes
+++ b/cp210x-program.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Mon Oct 26 06:54:05 UTC 2020 - Martin Hauke <mardnh@gmx.de>
+
+- Update to new upstream release 0.4
+  * Port to Python3
+  * Add basic tests
+  * Fix -p option
+  * docs: fix example of reading EEPROM
+- Drop not longer used patches (included upstream)
+  * 0001-docs-fix-example-of-reading-EEPROM.patch
+  * https://github.com/VCTLabs/cp210x-program/pull/3.patch
+
 -------------------------------------------------------------------
 Sun Oct 25 10:11:59 UTC 2020 - Martin Hauke <mardnh@gmx.de>
 
diff --git a/cp210x-program.spec b/cp210x-program.spec
index 2bff191..5f884bc 100644
--- a/cp210x-program.spec
+++ b/cp210x-program.spec
@@ -15,20 +15,16 @@
 # Please submit bugfixes or comments via https://bugs.opensuse.org/
 #
 
-
+%define realver 0-4
 Name:           cp210x-program
-Version:        0.3
+Version:        0.4
 Release:        0
 Summary:        EEPROM tool for Silabs CP210x USB-Serial adapters
 License:        LGPL-2.1-only
 Group:          Hardware/Other
 URL:            http://cp210x-program.sourceforge.net/
 #Git-Clone:     https://github.com/VCTLabs/cp210x-program.git
-Source:         https://github.com/VCTLabs/cp210x-program/archive/%{name}-0-3.tar.gz
-# PATCH-FIX-UPSTREAM: documentation fixes
-Patch0:         0001-docs-fix-example-of-reading-EEPROM.patch
-# PATCH-FIX-UPSTREAM: python3 compatibility
-Patch1:         https://github.com/VCTLabs/cp210x-program/pull/3.patch
+Source:         https://github.com/VCTLabs/cp210x-program/archive/%{name}-%{realver}.tar.gz
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 BuildRequires:  python3-setuptools
@@ -42,9 +38,7 @@ FTDIs and PL2303). The CP210x has a EEPROM on the chip which can be programmed
 with this tool via USB.
 
 %prep
-%setup -q -n %{name}-%{name}-0-3/
-%patch0 -p1
-%patch1 -p1
+%setup -q -n %{name}-%{name}-%{realver}
 
 %build
 %python3_build