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dm: core: Switch binding to use new sequence numbers

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Update the core logic to use the new approach. For now the old code is
left as is. Update one test so it still passes.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2020-12-16 21:20:11 -07:00
parent 1c55b22923
commit ba0e7daeef
2 changed files with 3 additions and 5 deletions
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5
drivers/core/device.c
View File

@ -661,12 +661,9 @@ int device_find_child_by_seq(const struct udevice *parent, int seq_or_req_seq,
struct udevice *dev;
*devp = NULL;
if (seq_or_req_seq == -1)
return -ENODEV;
list_for_each_entry(dev, &parent->child_head, sibling_node) {
if ((find_req_seq ? dev->req_seq : dev_seq(dev)) ==
seq_or_req_seq) {
if (dev->sqq == seq_or_req_seq) {
*devp = dev;
return 0;
}

3
test/dm/bus.c
View File

@ -159,9 +159,10 @@ static int dm_test_bus_children_funcs(struct unit_test_state *uts)
ut_asserteq(-ENODEV, device_find_child_by_seq(bus, -1, true, &dev));
ut_assertok(device_find_child_by_seq(bus, 0, true, &dev));
ut_assert(!(dev->flags & DM_FLAG_ACTIVATED));
ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 0, false, &dev));
ut_asserteq(0, device_find_child_by_seq(bus, 0, false, &dev));
ut_assertok(device_get_child_by_seq(bus, 0, &dev));
ut_assert(dev->flags & DM_FLAG_ACTIVATED);
ut_asserteq(0, device_find_child_by_seq(bus, 0, false, &dev));
/* There is no device with sequence number 2 */
ut_asserteq(-ENODEV, device_find_child_by_seq(bus, 2, false, &dev));