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| author | Sean Anderson <seanga2@gmail.com> | 2020-01-17 22:48:09 +0300 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2020-02-06 05:33:46 +0300 |
| commit | 7b9d60fc1ff67b3959a7db394084b27268a7686d (patch) | |
| tree | 6196a41c5c8016aa5803d83dff50d83f4d5a543b | |
| parent | 2f7c53cbd3e8094d2c4398b293a68304b7af721c (diff) | |
| download | u-boot-7b9d60fc1ff67b3959a7db394084b27268a7686d.tar.xz | |
cmd: Add command to dump drivers and compatible strings
This adds a subcommand to dm to dump out what drivers are installed, and their
compatible strings. I have found this useful in ensuring that I have the correct
drivers compiled, and that I have put in the correct compatible strings.
Signed-off-by Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | cmd/dm.c | 12 | ||||
| -rw-r--r-- | drivers/core/dump.c | 19 | ||||
| -rw-r--r-- | include/dm/util.h | 3 |
3 files changed, 33 insertions, 1 deletions
@@ -40,10 +40,19 @@ static int do_dm_dump_devres(cmd_tbl_t *cmdtp, int flag, int argc, return 0; } +static int do_dm_dump_drivers(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + dm_dump_drivers(); + + return 0; +} + static cmd_tbl_t test_commands[] = { U_BOOT_CMD_MKENT(tree, 0, 1, do_dm_dump_all, "", ""), U_BOOT_CMD_MKENT(uclass, 1, 1, do_dm_dump_uclass, "", ""), U_BOOT_CMD_MKENT(devres, 1, 1, do_dm_dump_devres, "", ""), + U_BOOT_CMD_MKENT(drivers, 1, 1, do_dm_dump_drivers, "", ""), }; static __maybe_unused void dm_reloc(void) @@ -84,5 +93,6 @@ U_BOOT_CMD( "Driver model low level access", "tree Dump driver model tree ('*' = activated)\n" "dm uclass Dump list of instances for each uclass\n" - "dm devres Dump list of device resources for each device" + "dm devres Dump list of device resources for each device\n" + "dm drivers Dump list of drivers and their compatible strings\n" ); diff --git a/drivers/core/dump.c b/drivers/core/dump.c index 4704049aee..e73ebeabcc 100644 --- a/drivers/core/dump.c +++ b/drivers/core/dump.c @@ -96,3 +96,22 @@ void dm_dump_uclass(void) puts("\n"); } } + +void dm_dump_drivers(void) +{ + struct driver *d = ll_entry_start(struct driver, driver); + const int n_ents = ll_entry_count(struct driver, driver); + struct driver *entry; + const struct udevice_id *match; + + puts("Driver Compatible\n"); + puts("--------------------------------\n"); + for (entry = d; entry < d + n_ents; entry++) { + for (match = entry->of_match; match->compatible; match++) + printf("%-20.20s %s\n", + match == entry->of_match ? entry->name : "", + match->compatible); + if (match == entry->of_match) + printf("%-20.20s\n", entry->name); + } +} diff --git a/include/dm/util.h b/include/dm/util.h index 348c2ace3c..0ccb3fbadf 100644 --- a/include/dm/util.h +++ b/include/dm/util.h @@ -39,6 +39,9 @@ static inline void dm_dump_devres(void) } #endif +/* Dump out a list of drivers */ +void dm_dump_drivers(void); + /** * Check if an of node should be or was bound before relocation. * |