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# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
import os.path
import pytest
import re
def in_tree(response, name, uclass, drv, depth, last_child):
lines = [x.strip() for x in response.splitlines()]
leaf = ' ' * 4 * depth;
if not last_child:
leaf = leaf + '\|'
else:
leaf = leaf + '`'
leaf = leaf + '-- ' + name
line = ' *{:10.10} [0-9]* \[ [ +] \] {:10.10} {}$'.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):
#bind /bind-test. Device should come up as well as its children
response = u_boot_console.run_command("bind /bind-test generic_simple_bus")
assert response == ''
tree = u_boot_console.run_command("dm tree")
assert in_tree(tree, "bind-test", "simple_bus", "generic_simple", 0, True)
assert in_tree(tree, "bind-test-child1", "phy", "phy_sandbox", 1, False)
assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple", 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", "generic_simple", 0, True)
assert "bind-test-child1" not in tree
assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple", 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", "generic_simple", 0, True)
assert in_tree(tree, "bind-test-child1", "phy", "phy_sandbox", 1, True)
assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple", 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", "generic_simple", 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 generic_simple_bus")
assert response == ''
tree = u_boot_console.run_command("dm tree")
assert in_tree(tree, "bind-test", "simple_bus", "generic_simple", 0, True)
assert in_tree(tree, "bind-test-child1", "phy", "phy_sandbox", 1, False)
assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple", 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 generic_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 generic_simple_bus")
assert response == ''
tree = u_boot_console.run_command("dm tree")
assert in_tree(tree, "bind-test", "simple_bus", "generic_simple", 0, True)
assert in_tree(tree, "bind-test-child1", "phy", "phy_sandbox", 1, False)
assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple", 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 generic_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 generic_simple_bus as a child of bind-test-child2
response = u_boot_console.run_command("bind {} {} generic_simple_bus".format(child2_uclass, child2_index, "generic_simple_bus"))
#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, "generic_simple_bus", "simple_bus", "generic_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", "generic_simple", 1, True)
assert not in_tree(tree, "generic_simple_bus", "simple_bus", "generic_simple_bus", 2, True)
child_of_child2_line = get_next_line(tree, "bind-test-child2")
assert child_of_child2_line == ""
#bind generic_simple_bus as a child of bind-test-child2
response = u_boot_console.run_command("bind {} {} generic_simple_bus".format(child2_uclass, child2_index, "generic_simple_bus"))
#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, "generic_simple_bus", "simple_bus", "generic_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 {} {} generic_simple_bus".format(child2_uclass, child2_index, "generic_simple_bus"))
assert response == ''
tree = u_boot_console.run_command("dm tree")
assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple", 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 {} {} generic_simple_bus".format(child2_uclass, child2_index, "generic_simple_bus"))
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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