test: dm: core: Add test case for uclass driver's child_post_probe()
Add test case to cover uclass driver's child_post_probe() method.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/dm/test.h b/include/dm/test.h
index 83418eb..07385cd 100644
--- a/include/dm/test.h
+++ b/include/dm/test.h
@@ -69,6 +69,7 @@
int op_count[DM_TEST_OP_COUNT];
int uclass_flag;
int uclass_total;
+ int uclass_postp;
};
/**
diff --git a/test/dm/bus.c b/test/dm/bus.c
index d0cd5a0..93f3acd 100644
--- a/test/dm/bus.c
+++ b/test/dm/bus.c
@@ -63,6 +63,15 @@
return 0;
}
+static int testbus_child_post_probe_uclass(struct udevice *dev)
+{
+ struct dm_test_priv *priv = dev_get_priv(dev);
+
+ priv->uclass_postp++;
+
+ return 0;
+}
+
static int testbus_child_post_remove(struct udevice *dev)
{
struct dm_test_parent_data *parent_data = dev_get_parent_priv(dev);
@@ -102,6 +111,7 @@
.id = UCLASS_TEST_BUS,
.flags = DM_UC_FLAG_SEQ_ALIAS,
.child_pre_probe = testbus_child_pre_probe_uclass,
+ .child_post_probe = testbus_child_post_probe_uclass,
};
/* Test that we can probe for children */
@@ -547,3 +557,38 @@
}
DM_TEST(dm_test_bus_child_pre_probe_uclass,
DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/*
+ * Test that the bus' uclass' child_post_probe() is called after the
+ * device's probe() method
+ */
+static int dm_test_bus_child_post_probe_uclass(struct unit_test_state *uts)
+{
+ struct udevice *bus, *dev;
+ int child_count;
+
+ /*
+ * See testfdt_drv_probe() which effectively initializes that
+ * the uclass postp flag is set to a value
+ */
+ ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
+ for (device_find_first_child(bus, &dev), child_count = 0;
+ dev;
+ device_find_next_child(&dev)) {
+ struct dm_test_priv *priv = dev_get_priv(dev);
+
+ /* Check that things happened in the right order */
+ ut_asserteq_ptr(NULL, priv);
+ ut_assertok(device_probe(dev));
+
+ priv = dev_get_priv(dev);
+ ut_assert(priv != NULL);
+ ut_asserteq(0, priv->uclass_postp);
+ child_count++;
+ }
+ ut_asserteq(3, child_count);
+
+ return 0;
+}
+DM_TEST(dm_test_bus_child_post_probe_uclass,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c
index 3da384f..e43acb2 100644
--- a/test/dm/test-fdt.c
+++ b/test/dm/test-fdt.c
@@ -55,10 +55,13 @@
/*
* If this device is on a bus, the uclass_flag will be set before
- * calling this function. This is used by
- * dm_test_bus_child_pre_probe_uclass().
+ * calling this function. In the meantime the uclass_postp is
+ * initlized to a value -1. These are used respectively by
+ * dm_test_bus_child_pre_probe_uclass() and
+ * dm_test_bus_child_post_probe_uclass().
*/
priv->uclass_total += priv->uclass_flag;
+ priv->uclass_postp = -1;
return 0;
}