#include <dm/device-internal.h>
#include <dm/root.h>
#include <dm/test.h>
+#include <dm/uclass-internal.h>
#include <dm/ut.h>
#include <dm/util.h>
DECLARE_GLOBAL_DATA_PTR;
+struct dm_test_parent_platdata {
+ int count;
+ int bind_flag;
+};
+
enum {
FLAG_CHILD_PROBED = 10,
FLAG_CHILD_REMOVED = -7,
return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false);
}
+static int testbus_child_post_bind(struct udevice *dev)
+{
+ struct dm_test_parent_platdata *plat;
+
+ plat = dev_get_parent_platdata(dev);
+ plat->bind_flag = 1;
+
+ return 0;
+}
+
static int testbus_child_pre_probe(struct udevice *dev)
{
struct dm_test_parent_data *parent_data = dev_get_parentdata(dev);
.of_match = testbus_ids,
.id = UCLASS_TEST_BUS,
.probe = testbus_drv_probe,
+ .child_post_bind = testbus_child_post_bind,
.priv_auto_alloc_size = sizeof(struct dm_test_priv),
.platdata_auto_alloc_size = sizeof(struct dm_test_pdata),
.per_child_auto_alloc_size = sizeof(struct dm_test_parent_data),
+ .per_child_platdata_auto_alloc_size =
+ sizeof(struct dm_test_parent_platdata),
.child_pre_probe = testbus_child_pre_probe,
.child_post_remove = testbus_child_post_remove,
};
}
DM_TEST(dm_test_bus_children_funcs, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+/* Test that we can iterate through children */
+static int dm_test_bus_children_iterators(struct dm_test_state *dms)
+{
+ struct udevice *bus, *dev, *child;
+
+ /* Walk through the children one by one */
+ ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
+ ut_assertok(device_find_first_child(bus, &dev));
+ ut_asserteq_str("c-test@5", dev->name);
+ ut_assertok(device_find_next_child(&dev));
+ ut_asserteq_str("c-test@0", dev->name);
+ ut_assertok(device_find_next_child(&dev));
+ ut_asserteq_str("c-test@1", dev->name);
+ ut_assertok(device_find_next_child(&dev));
+ ut_asserteq_ptr(dev, NULL);
+
+ /* Move to the next child without using device_find_first_child() */
+ ut_assertok(device_find_child_by_seq(bus, 5, true, &dev));
+ ut_asserteq_str("c-test@5", dev->name);
+ ut_assertok(device_find_next_child(&dev));
+ ut_asserteq_str("c-test@0", dev->name);
+
+ /* Try a device with no children */
+ ut_assertok(device_find_first_child(dev, &child));
+ ut_asserteq_ptr(child, NULL);
+
+ return 0;
+}
+DM_TEST(dm_test_bus_children_iterators,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
/* Test that the bus can store data about each child */
static int dm_test_bus_parent_data(struct dm_test_state *dms)
{
return 0;
}
DM_TEST(dm_test_bus_parent_ops, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+static int test_bus_parent_platdata(struct dm_test_state *dms)
+{
+ struct dm_test_parent_platdata *plat;
+ struct udevice *bus, *dev;
+ int child_count;
+
+ /* Check that the bus has no children */
+ ut_assertok(uclass_find_device(UCLASS_TEST_BUS, 0, &bus));
+ device_find_first_child(bus, &dev);
+ ut_asserteq_ptr(NULL, dev);
+
+ 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)) {
+ /* Check that platform data is allocated */
+ plat = dev_get_parent_platdata(dev);
+ ut_assert(plat != NULL);
+
+ /*
+ * Check that it is not affected by the device being
+ * probed/removed
+ */
+ plat->count++;
+ ut_asserteq(1, plat->count);
+ device_probe(dev);
+ device_remove(dev);
+
+ ut_asserteq_ptr(plat, dev_get_parent_platdata(dev));
+ ut_asserteq(1, plat->count);
+ ut_assertok(device_probe(dev));
+ child_count++;
+ }
+ ut_asserteq(3, child_count);
+
+ /* Removing the bus should also have no effect (it is still bound) */
+ device_remove(bus);
+ for (device_find_first_child(bus, &dev), child_count = 0;
+ dev;
+ device_find_next_child(&dev)) {
+ /* Check that platform data is allocated */
+ plat = dev_get_parent_platdata(dev);
+ ut_assert(plat != NULL);
+ ut_asserteq(1, plat->count);
+ child_count++;
+ }
+ ut_asserteq(3, child_count);
+
+ /* Unbind all the children */
+ do {
+ device_find_first_child(bus, &dev);
+ if (dev)
+ device_unbind(dev);
+ } while (dev);
+
+ /* Now the child platdata should be removed and re-added */
+ device_probe(bus);
+ for (device_find_first_child(bus, &dev), child_count = 0;
+ dev;
+ device_find_next_child(&dev)) {
+ /* Check that platform data is allocated */
+ plat = dev_get_parent_platdata(dev);
+ ut_assert(plat != NULL);
+ ut_asserteq(0, plat->count);
+ child_count++;
+ }
+ ut_asserteq(3, child_count);
+
+ return 0;
+}
+
+/* Test that the bus can store platform data about each child */
+static int dm_test_bus_parent_platdata(struct dm_test_state *dms)
+{
+ return test_bus_parent_platdata(dms);
+}
+DM_TEST(dm_test_bus_parent_platdata, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* As above but the size is controlled by the uclass */
+static int dm_test_bus_parent_platdata_uclass(struct dm_test_state *dms)
+{
+ struct udevice *bus;
+ int size;
+ int ret;
+
+ /* Set the driver size to 0 so that the uclass size is used */
+ ut_assertok(uclass_find_device(UCLASS_TEST_BUS, 0, &bus));
+ size = bus->driver->per_child_platdata_auto_alloc_size;
+ bus->uclass->uc_drv->per_child_platdata_auto_alloc_size = size;
+ bus->driver->per_child_platdata_auto_alloc_size = 0;
+ ret = test_bus_parent_platdata(dms);
+ if (ret)
+ return ret;
+ bus->uclass->uc_drv->per_child_platdata_auto_alloc_size = 0;
+ bus->driver->per_child_platdata_auto_alloc_size = size;
+
+ return 0;
+}
+DM_TEST(dm_test_bus_parent_platdata_uclass,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that the child post_bind method is called */
+static int dm_test_bus_child_post_bind(struct dm_test_state *dms)
+{
+ struct dm_test_parent_platdata *plat;
+ struct udevice *bus, *dev;
+ int child_count;
+
+ 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)) {
+ /* Check that platform data is allocated */
+ plat = dev_get_parent_platdata(dev);
+ ut_assert(plat != NULL);
+ ut_asserteq(1, plat->bind_flag);
+ child_count++;
+ }
+ ut_asserteq(3, child_count);
+
+ return 0;
+}
+DM_TEST(dm_test_bus_child_post_bind, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
projects / karo-tx-uboot.git / blobdiff