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# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
""" Test for bind command """
import re
import pytest
def in_tree(response, name, uclass, drv, depth, last_child):
lines = [x.strip() for x in response.splitlines()]
leaf = ''
if depth != 0:
leaf = ' ' + ' ' * (depth - 1)
if not last_child:
leaf = leaf + r'\|'
else:
leaf = leaf + '`'
leaf = leaf + '-- ' + name
line = (r' *{:10.10} *[0-9]* \[ [ +] \] {:20.20} [` |]{}$'
.format(uclass, drv, leaf))
prog = re.compile(line)
for l in lines:
if prog.match(l):
return True
return False
@pytest.mark.buildconfigspec('cmd_bind')
def test_bind_unbind_with_node(u_boot_console):
tree = u_boot_console.run_command('dm tree')
assert in_tree(tree, 'bind-test', 'simple_bus', 'simple_bus', 0, True)
assert in_tree(tree, 'bind-test-child1', 'phy', 'phy_sandbox', 1, False)
assert in_tree(tree, 'bind-test-child2', 'simple_bus', 'simple_bus', 1, True)
#bind usb_ether driver (which has no compatible) to usb@1 node.
##New entry usb_ether should appear in the dm tree
response = u_boot_console.run_command('bind /usb@1 usb_ether')
assert response == ''
tree = u_boot_console.run_command('dm tree')
assert in_tree(tree, 'usb@1', 'ethernet', 'usb_ether', 1, True)
#Unbind child #1. No error expected and all devices should be there except for bind-test-child1
response = u_boot_console.run_command('unbind /bind-test/bind-test-child1')
assert response == ''
tree = u_boot_console.run_command('dm tree')
assert in_tree(tree, 'bind-test', 'simple_bus', 'simple_bus', 0, True)
assert 'bind-test-child1' not in tree
assert in_tree(tree, 'bind-test-child2', 'simple_bus', 'simple_bus', 1, True)
#bind child #1. No error expected and all devices should be there
response = u_boot_console.run_command('bind /bind-test/bind-test-child1 phy_sandbox')
assert response == ''
tree = u_boot_console.run_command('dm tree')
assert in_tree(tree, 'bind-test', 'simple_bus', 'simple_bus', 0, True)
assert in_tree(tree, 'bind-test-child1', 'phy', 'phy_sandbox', 1, True)
assert in_tree(tree, 'bind-test-child2', 'simple_bus', 'simple_bus', 1, False)
#Unbind child #2. No error expected and all devices should be there except for bind-test-child2
response = u_boot_console.run_command('unbind /bind-test/bind-test-child2')
assert response == ''
tree = u_boot_console.run_command('dm tree')
assert in_tree(tree, 'bind-test', 'simple_bus', 'simple_bus', 0, True)
assert in_tree(tree, 'bind-test-child1', 'phy', 'phy_sandbox', 1, True)
assert 'bind-test-child2' not in tree
#Bind child #2. No error expected and all devices should be there
response = u_boot_console.run_command('bind /bind-test/bind-test-child2 simple_bus')
assert response == ''
tree = u_boot_console.run_command('dm tree')
assert in_tree(tree, 'bind-test', 'simple_bus', 'simple_bus', 0, True)
assert in_tree(tree, 'bind-test-child1', 'phy', 'phy_sandbox', 1, False)
assert in_tree(tree, 'bind-test-child2', 'simple_bus', 'simple_bus', 1, True)
#Unbind parent. No error expected. All devices should be removed and unbound
response = u_boot_console.run_command('unbind /bind-test')
assert response == ''
tree = u_boot_console.run_command('dm tree')
assert 'bind-test' not in tree
assert 'bind-test-child1' not in tree
assert 'bind-test-child2' not in tree
#try binding invalid node with valid driver
response = u_boot_console.run_command('bind /not-a-valid-node simple_bus')
assert response != ''
tree = u_boot_console.run_command('dm tree')
assert 'not-a-valid-node' not in tree
#try binding valid node with invalid driver
response = u_boot_console.run_command('bind /bind-test not_a_driver')
assert response != ''
tree = u_boot_console.run_command('dm tree')
assert 'bind-test' not in tree
#bind /bind-test. Device should come up as well as its children
response = u_boot_console.run_command('bind /bind-test simple_bus')
assert response == ''
tree = u_boot_console.run_command('dm tree')
assert in_tree(tree, 'bind-test', 'simple_bus', 'simple_bus', 0, True)
assert in_tree(tree, 'bind-test-child1', 'phy', 'phy_sandbox', 1, False)
assert in_tree(tree, 'bind-test-child2', 'simple_bus', 'simple_bus', 1, True)
response = u_boot_console.run_command('unbind /bind-test')
assert response == ''
def get_next_line(tree, name):
treelines = [x.strip() for x in tree.splitlines() if x.strip()]
child_line = ''
for idx, line in enumerate(treelines):
if '-- ' + name in line:
try:
child_line = treelines[idx+1]
except:
pass
break
return child_line
@pytest.mark.buildconfigspec('cmd_bind')
def test_bind_unbind_with_uclass(u_boot_console):
#bind /bind-test
response = u_boot_console.run_command('bind /bind-test simple_bus')
assert response == ''
#make sure bind-test-child2 is there and get its uclass/index pair
tree = u_boot_console.run_command('dm tree')
child2_line = [x.strip() for x in tree.splitlines() if '-- bind-test-child2' in x]
assert len(child2_line) == 1
child2_uclass = child2_line[0].split()[0]
child2_index = int(child2_line[0].split()[1])
#bind simple_bus as a child of bind-test-child2
response = u_boot_console.run_command(
'bind {} {} simple_bus'.format(child2_uclass, child2_index))
#check that the child is there and its uclass/index pair is right
tree = u_boot_console.run_command('dm tree')
child_of_child2_line = get_next_line(tree, 'bind-test-child2')
assert child_of_child2_line
child_of_child2_index = int(child_of_child2_line.split()[1])
assert in_tree(tree, 'simple_bus', 'simple_bus', 'simple_bus', 2, True)
assert child_of_child2_index == child2_index + 1
#unbind the child and check it has been removed
response = u_boot_console.run_command('unbind simple_bus {}'.format(child_of_child2_index))
assert response == ''
tree = u_boot_console.run_command('dm tree')
assert in_tree(tree, 'bind-test-child2', 'simple_bus', 'simple_bus', 1, True)
assert not in_tree(tree, 'simple_bus', 'simple_bus', 'simple_bus', 2, True)
child_of_child2_line = get_next_line(tree, 'bind-test-child2')
assert child_of_child2_line == ''
#bind simple_bus as a child of bind-test-child2
response = u_boot_console.run_command(
'bind {} {} simple_bus'.format(child2_uclass, child2_index))
#check that the child is there and its uclass/index pair is right
tree = u_boot_console.run_command('dm tree')
treelines = [x.strip() for x in tree.splitlines() if x.strip()]
child_of_child2_line = get_next_line(tree, 'bind-test-child2')
assert child_of_child2_line
child_of_child2_index = int(child_of_child2_line.split()[1])
assert in_tree(tree, 'simple_bus', 'simple_bus', 'simple_bus', 2, True)
assert child_of_child2_index == child2_index + 1
#unbind the child and check it has been removed
response = u_boot_console.run_command(
'unbind {} {} simple_bus'.format(child2_uclass, child2_index))
assert response == ''
tree = u_boot_console.run_command('dm tree')
assert in_tree(tree, 'bind-test-child2', 'simple_bus', 'simple_bus', 1, True)
child_of_child2_line = get_next_line(tree, 'bind-test-child2')
assert child_of_child2_line == ''
#unbind the child again and check it doesn't change the tree
tree_old = u_boot_console.run_command('dm tree')
response = u_boot_console.run_command(
'unbind {} {} simple_bus'.format(child2_uclass, child2_index))
tree_new = u_boot_console.run_command('dm tree')
assert response == ''
assert tree_old == tree_new
response = u_boot_console.run_command('unbind /bind-test')
assert response == ''
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