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| author | AKASHI Takahiro <takahiro.akashi@linaro.org> | 2022-03-08 14:36:46 +0300 |
|---|---|---|
| committer | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2022-04-09 22:06:31 +0300 |
| commit | 6b7a6210fde96bb95c8168af4ebf4eb83401df9e (patch) | |
| tree | d220c45e31a3a4ea5ffa49e287d4574192310670 /include/asm-generic | |
| parent | 75a9d7504180f01abb3f63ee894476f457c6dbb5 (diff) | |
| download | u-boot-6b7a6210fde96bb95c8168af4ebf4eb83401df9e.tar.xz | |
dm: add tag support
With dm-tag feature, any U-Boot subsystem is allowed to associate
arbitrary number of data with a particular udevice. This can been
see as expanding "struct udevice" without modifying the definition.
As a first user, UEFI subsystem makes use of tags to associate
an efi_disk object with a block device.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/global_data.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h index beb8bb90a6..805a6fd679 100644 --- a/include/asm-generic/global_data.h +++ b/include/asm-generic/global_data.h @@ -474,6 +474,10 @@ struct global_data { */ struct event_state event_state; #endif + /** + * @dmtag_list: List of DM tags + */ + struct list_head dmtag_list; }; #ifndef DO_DEPS_ONLY static_assert(sizeof(struct global_data) == GD_SIZE); |