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authorSimon Glass <sjg@chromium.org>2015-01-25 08:27:03 -0700
committerSimon Glass <sjg@chromium.org>2015-01-29 17:09:55 -0700
commit0118ce79577f9b0881f99a6e4f8a79cd5014cb87 (patch)
tree4261f26aa29d28709ab619036589c68ecc2f7d03 /test/dm/bus.c
parentba8da9dc43ac8ae3351345df12dc7f9d1cd07ae0 (diff)
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dm: core: Add a post_bind method for parents
Allow parent drivers to be called when a new child is bound to them. This allows a bus to set up information it needs for that child. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Diffstat (limited to 'test/dm/bus.c')
-rw-r--r--test/dm/bus.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/test/dm/bus.c b/test/dm/bus.c
index 26b8293..e18a6f7 100644
--- a/test/dm/bus.c
+++ b/test/dm/bus.c
@@ -17,6 +17,7 @@ DECLARE_GLOBAL_DATA_PTR;
struct dm_test_parent_platdata {
int count;
+ int bind_flag;
};
enum {
@@ -31,6 +32,16 @@ static int testbus_drv_probe(struct udevice *dev)
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);
@@ -64,6 +75,7 @@ U_BOOT_DRIVER(testbus_drv) = {
.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),
@@ -380,3 +392,26 @@ static int dm_test_bus_parent_platdata_uclass(struct dm_test_state *dms)
}
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);