From b367053102e597eb21b0a5e86c63e8d10f368cb0 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sun, 25 Jan 2015 08:27:04 -0700 Subject: [PATCH] dm: core: Add a function to get a device's uclass ID This is useful to check which uclass a device is in. Signed-off-by: Simon Glass Reviewed-by: Masahiro Yamada --- drivers/core/device.c | 5 +++++ include/dm/device.h | 8 ++++++++ test/dm/core.c | 11 +++++++++++ 3 files changed, 24 insertions(+) diff --git a/drivers/core/device.c b/drivers/core/device.c index 365676b912..2606d18717 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -438,3 +438,8 @@ ulong dev_get_of_data(struct udevice *dev) { return dev->of_id->data; } + +enum uclass_id device_get_uclass_id(struct udevice *dev) +{ + return dev->uclass->uc_drv->id; +} diff --git a/include/dm/device.h b/include/dm/device.h index 50f1b4f508..81afa8c628 100644 --- a/include/dm/device.h +++ b/include/dm/device.h @@ -245,6 +245,14 @@ struct udevice *dev_get_parent(struct udevice *child); */ ulong dev_get_of_data(struct udevice *dev); +/* + * device_get_uclass_id() - return the uclass ID of a device + * + * @dev: Device to check + * @return uclass ID for the device + */ +enum uclass_id device_get_uclass_id(struct udevice *dev); + /** * device_get_child() - Get the child of a device by index * diff --git a/test/dm/core.c b/test/dm/core.c index ff5c2a749c..eccda0974d 100644 --- a/test/dm/core.c +++ b/test/dm/core.c @@ -598,3 +598,14 @@ static int dm_test_uclass_before_ready(struct dm_test_state *dms) } DM_TEST(dm_test_uclass_before_ready, 0); + +static int dm_test_device_get_uclass_id(struct dm_test_state *dms) +{ + struct udevice *dev; + + ut_assertok(uclass_get_device(UCLASS_TEST, 0, &dev)); + ut_asserteq(UCLASS_TEST, device_get_uclass_id(dev)); + + return 0; +} +DM_TEST(dm_test_device_get_uclass_id, DM_TESTF_SCAN_PDATA); -- 2.39.5