diff options
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/unittest.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index e16ea5717b7f..bbff09dee1cf 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -757,6 +757,11 @@ static void __init of_unittest_match_node(void) } } +static struct resource test_bus_res = { + .start = 0xfffffff8, + .end = 0xfffffff9, + .flags = IORESOURCE_MEM, +}; static const struct platform_device_info test_bus_info = { .name = "unittest-bus", }; @@ -800,6 +805,15 @@ static void __init of_unittest_platform_populate(void) return; test_bus->dev.of_node = np; + /* + * Add a dummy resource to the test bus node after it is + * registered to catch problems with un-inserted resources. The + * DT code doesn't insert the resources, and it has caused the + * kernel to oops in the past. This makes sure the same bug + * doesn't crop up again. + */ + platform_device_add_resources(test_bus, &test_bus_res, 1); + of_platform_populate(np, match, NULL, &test_bus->dev); for_each_child_of_node(np, child) { for_each_child_of_node(child, grandchild) |