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AKASHI Takahiro 36e45f69c4 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 <takahiro.akashi@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
2023-09-23 12:31:25 -06:00
..
acpi.c common: Drop display_options.h from common header 2022-08-10 13:46:55 -04:00
device-remove.c dm: core: Use device_foreach_child where possible 2022-06-28 03:09:51 +01:00
device.c dm: core: Correct error handling when event fails 2023-08-25 17:55:18 -04:00
devres.c dm: core: Use device_foreach_child where possible 2022-06-28 03:09:51 +01:00
dump.c cmd: dm: allow for selecting uclass and device 2023-09-23 12:31:25 -06:00
fdtaddr.c core: fdtaddr: use map_sysmem() as cast for the return (part 2) 2023-05-15 17:14:46 -04:00
Kconfig acpi: Create a new Kconfig for ACPI 2023-05-11 10:25:29 +08:00
lists.c dm: core: Fix iteration over driver_info records 2022-12-02 08:39:00 -05:00
Makefile vpl: Add Kconfig options for VPL 2022-05-02 09:58:13 -04:00
of_access.c dm: core: support reading a single indexed u64 value 2023-09-21 13:20:10 +02:00
of_addr.c drivers/core/of_addr.c: Fix spelling of "shouldn't". 2022-01-13 07:57:50 -05:00
of_extra.c net: introduce a helper to determine whether to use in-band autoneg 2021-11-23 09:57:55 +02:00
ofnode.c dm: core: Report bootph-pre-ram/sram node as pre-reloc after relocation 2023-09-23 12:31:25 -06:00
read.c core: read: add dev_read_addr_size_index_ptr function 2023-07-28 18:45:03 +08:00
read_extra.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
regmap.c core: remap: fix regmap_init_mem_plat() reg size handeling 2023-05-06 17:28:18 +08:00
root.c dm: Remove unused NEEDS_MANUAL_RELOC code bits 2023-09-14 10:42:24 -04:00
simple-bus.c treewide: Use OF_REAL instead of !OF_PLATDATA 2021-09-25 09:46:15 -06:00
simple-pm-bus.c simple-pm-bus: Use -ENOSYS for checking missing system call 2021-04-06 16:33:19 +12:00
syscon-uclass.c core: remap: fix regmap_init_mem_plat() reg size handeling 2023-05-06 17:28:18 +08:00
tag.c dm: core: Add a command to show driver model statistics 2022-06-28 03:09:52 +01:00
uclass.c dm: core: introduce uclass_get_device_by_of_path() 2023-04-28 11:48:59 -06:00
util.c treewide: Use OF_REAL instead of !OF_PLATDATA 2021-09-25 09:46:15 -06:00