From 36e45f69c4c6a626fd12de7b3b25135162758654 Mon Sep 17 00:00:00 2001 From: AKASHI Takahiro Date: Wed, 23 Aug 2023 10:49:47 +0900 Subject: cmd: dm: allow for selecting uclass and device The output from "dm tree" or "dm uclass" is a bit annoying if the number of devices available on the system is huge. (This is especially true on sandbox when I debug some DM code.) With this patch, we can specify the uclass name or the device name that we are interested in in order to limit the output. For instance, => dm uclass usb uclass 121: usb 0 usb@1 @ 0bcff8b0, seq 1 uclass 124: usb => dm tree usb:usb@1 Class Index Probed Driver Name ----------------------------------------------------------- usb 0 [ ] usb_sandbox usb@1 usb_hub 0 [ ] usb_hub `-- hub usb_emul 0 [ ] usb_sandbox_hub `-- hub-emul usb_emul 1 [ ] usb_sandbox_flash |-- flash-stick@0 usb_emul 2 [ ] usb_sandbox_flash |-- flash-stick@1 usb_emul 3 [ ] usb_sandbox_flash |-- flash-stick@2 usb_emul 4 [ ] usb_sandbox_keyb `-- keyb@3 If you want forward-matching against a uclass or udevice name, you can specify "-e" option. => dm uclass -e usb uclass 15: usb_emul 0 hub-emul @ 0bcffb00, seq 0 1 flash-stick@0 @ 0bcffc30, seq 1 2 flash-stick@1 @ 0bcffdc0, seq 2 3 flash-stick@2 @ 0bcfff50, seq 3 4 keyb@3 @ 0bd000e0, seq 4 uclass 64: usb_mass_storage uclass 121: usb 0 usb@1 @ 0bcff8b0, seq 1 uclass 122: usb_dev_generic uclass 123: usb_hub 0 hub @ 0bcff9b0, seq 0 uclass 124: usb => dm tree -e usb Class Index Probed Driver Name ----------------------------------------------------------- usb 0 [ ] usb_sandbox usb@1 usb_hub 0 [ ] usb_hub `-- hub usb_emul 0 [ ] usb_sandbox_hub `-- hub-emul usb_emul 1 [ ] usb_sandbox_flash |-- flash-stick@0 usb_emul 2 [ ] usb_sandbox_flash |-- flash-stick@1 usb_emul 3 [ ] usb_sandbox_flash |-- flash-stick@2 usb_emul 4 [ ] usb_sandbox_keyb `-- keyb@3 Signed-off-by: AKASHI Takahiro Reviewed-by: Simon Glass --- include/dm/util.h | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) (limited to 'include/dm') diff --git a/include/dm/util.h b/include/dm/util.h index 4bb49e9e8c0..89206cc4966 100644 --- a/include/dm/util.h +++ b/include/dm/util.h @@ -27,14 +27,21 @@ struct list_head; int list_count_items(struct list_head *head); /** - * Dump out a tree of all devices + * Dump out a tree of all devices starting @uclass * + * @dev_name: udevice name + * @extended: true if forword-matching expected * @sort: Sort by uclass name */ -void dm_dump_tree(bool sort); +void dm_dump_tree(char *dev_name, bool extended, bool sort); -/* Dump out a list of uclasses and their devices */ -void dm_dump_uclass(void); +/* + * Dump out a list of uclasses and their devices + * + * @uclass: uclass name + * @extended: true if forword-matching expected + */ +void dm_dump_uclass(char *uclass, bool extended); #ifdef CONFIG_DEBUG_DEVRES /* Dump out a list of device resources */ -- cgit v1.2.3