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36e45f69c4
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>
80 lines
1.6 KiB
C
80 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2013 Google, Inc
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*/
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#ifndef __DM_UTIL_H
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#define __DM_UTIL_H
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struct dm_stats;
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#if CONFIG_IS_ENABLED(DM_WARN)
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#define dm_warn(fmt...) log(LOGC_DM, LOGL_WARNING, ##fmt)
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#else
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static inline void dm_warn(const char *fmt, ...)
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{
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}
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#endif
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struct list_head;
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/**
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* list_count_items() - Count number of items in a list
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*
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* @param head: Head of list
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* Return: number of items, or 0 if empty
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*/
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int list_count_items(struct list_head *head);
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/**
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* Dump out a tree of all devices starting @uclass
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*
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* @dev_name: udevice name
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* @extended: true if forword-matching expected
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* @sort: Sort by uclass name
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*/
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void dm_dump_tree(char *dev_name, bool extended, bool sort);
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/*
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* Dump out a list of uclasses and their devices
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*
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* @uclass: uclass name
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* @extended: true if forword-matching expected
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*/
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void dm_dump_uclass(char *uclass, bool extended);
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#ifdef CONFIG_DEBUG_DEVRES
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/* Dump out a list of device resources */
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void dm_dump_devres(void);
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#else
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static inline void dm_dump_devres(void)
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{
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}
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#endif
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/* Dump out a list of drivers */
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void dm_dump_drivers(void);
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/* Dump out a list with each driver's compatibility strings */
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void dm_dump_driver_compat(void);
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/* Dump out a list of drivers with static platform data */
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void dm_dump_static_driver_info(void);
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/**
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* dm_dump_mem() - Dump stats on memory usage in driver model
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*
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* @mem: Stats to dump
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*/
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void dm_dump_mem(struct dm_stats *stats);
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#if CONFIG_IS_ENABLED(OF_PLATDATA_INST) && CONFIG_IS_ENABLED(READ_ONLY)
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void *dm_priv_to_rw(void *priv);
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#else
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static inline void *dm_priv_to_rw(void *priv)
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{
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return priv;
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}
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#endif
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#endif
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