Add tests for the ofnode_set_enabled, ofnode_write_string, and ofnode_write_property functions.
Reviewed-by: Simon Glass sjg@chromium.org Signed-off-by: Mario Six mario.six@gdsys.cc
---
v2 -> v3: * Fixed style violation
v1 -> v2: New in v2
--- test/dm/test-fdt.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+)
diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c index 8196844e89a..1e3faf15227 100644 --- a/test/dm/test-fdt.c +++ b/test/dm/test-fdt.c @@ -14,6 +14,8 @@ #include <dm/device-internal.h> #include <dm/uclass-internal.h> #include <dm/util.h> +#include <dm/lists.h> +#include <dm/of_access.h> #include <test/ut.h>
DECLARE_GLOBAL_DATA_PTR; @@ -461,3 +463,55 @@ static int dm_test_fdt_translation(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_fdt_translation, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +static int dm_test_fdt_livetree_writing(struct unit_test_state *uts) +{ + struct udevice *dev; + ofnode node; + + if (!of_live_active()) { + printf("Live tree not active; ignore test\n"); + return 0; + } + + /* Test enabling devices */ + + node = ofnode_path("/usb@2"); + + ut_assert(!of_device_is_available(ofnode_to_np(node))); + ofnode_set_enabled(node, true); + ut_assert(of_device_is_available(ofnode_to_np(node))); + + device_bind_driver_to_node(dm_root(), "usb_sandbox", "usb@2", node, + &dev); + ut_assertok(uclass_find_device_by_seq(UCLASS_USB, 2, true, &dev)); + + /* Test string property setting */ + + ut_assert(device_is_compatible(dev, "sandbox,usb")); + ofnode_write_string(node, "compatible", "gdsys,super-usb"); + ut_assert(device_is_compatible(dev, "gdsys,super-usb")); + ofnode_write_string(node, "compatible", "sandbox,usb"); + ut_assert(device_is_compatible(dev, "sandbox,usb")); + + /* Test setting generic properties */ + + /* Non-existent in DTB */ + ut_asserteq(FDT_ADDR_T_NONE, dev_read_addr(dev)); + /* reg = 0x42, size = 0x100 */ + ut_assertok(ofnode_write_prop(node, "reg", 8, + "\x00\x00\x00\x42\x00\x00\x01\x00")); + ut_asserteq(0x42, dev_read_addr(dev)); + + /* Test disabling devices */ + + device_remove(dev, DM_REMOVE_NORMAL); + device_unbind(dev); + + ut_assert(of_device_is_available(ofnode_to_np(node))); + ofnode_set_enabled(node, false); + ut_assert(!of_device_is_available(ofnode_to_np(node))); + + return 0; +} +DM_TEST(dm_test_fdt_livetree_writing, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); -- 2.11.0