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| author | Heiner Kallweit <hkallweit1@gmail.com> | 2025-09-14 22:24:13 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2025-09-25 23:14:50 +0200 |
| commit | 1a2b423be6a89dd07d5fc27ea042be68697a6a49 (patch) | |
| tree | e6351b546943e9217c5b6d89eaf6ab62d9203706 /drivers | |
| parent | Merge branch 'i2c/immutable/scoped_fwnode_child' into i2c/for-mergewindow (diff) | |
| download | linux-1a2b423be6a89dd07d5fc27ea042be68697a6a49.tar.gz linux-1a2b423be6a89dd07d5fc27ea042be68697a6a49.zip | |
i2c: boardinfo: Annotate code used in init phase only
Annotate two places in boardinfo code:
- __i2c_first_dynamic_bus_num is set in init phase. Annotate it as
__ro_after_init to prevent later changes.
- i2c_register_board_info() is used in init phase only, so annotate it
as __init, allowing to free the memory after init phase.
This is safe, see comment: "done in board-specific init code near
arch_initcall() time"
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/i2c/i2c-boardinfo.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/i2c/i2c-boardinfo.c b/drivers/i2c/i2c-boardinfo.c index 4df8ad092df3..338800321f8b 100644 --- a/drivers/i2c/i2c-boardinfo.c +++ b/drivers/i2c/i2c-boardinfo.c @@ -22,7 +22,7 @@ EXPORT_SYMBOL_GPL(__i2c_board_lock); LIST_HEAD(__i2c_board_list); EXPORT_SYMBOL_GPL(__i2c_board_list); -int __i2c_first_dynamic_bus_num; +int __i2c_first_dynamic_bus_num __ro_after_init; EXPORT_SYMBOL_GPL(__i2c_first_dynamic_bus_num); @@ -48,7 +48,7 @@ EXPORT_SYMBOL_GPL(__i2c_first_dynamic_bus_num); * The board info passed can safely be __initdata, but be careful of embedded * pointers (for platform_data, functions, etc) since that won't be copied. */ -int i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsigned len) +int __init i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsigned len) { int status; |