| # 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.boardspec('sandbox') |
| @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.boardspec('sandbox') |
| @pytest.mark.buildconfigspec('cmd_bind') |
| @pytest.mark.singlethread |
| 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 == '' |
