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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-02-27 20:09:09 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-04-01 09:36:12 -0700 |
| commit | 0daaf99d8424f12cdf87e00c435c9cb93667f519 (patch) | |
| tree | bfabd8700b2d8d7ceaced6fa2c255c08e3455978 | |
| parent | 00a06c22e9fc0a33ae0b6ca2d47938340dbcd539 (diff) | |
| download | op-kernel-dev-0daaf99d8424f12cdf87e00c435c9cb93667f519.zip op-kernel-dev-0daaf99d8424f12cdf87e00c435c9cb93667f519.tar.gz | |
i2c: copy device properties when using i2c_register_board_info()
This will allow marking device property lists as __initdata, the same as
board info structures themselves.
Reviewed-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| -rw-r--r-- | drivers/i2c/i2c-boardinfo.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-boardinfo.c b/drivers/i2c/i2c-boardinfo.c index 6e5fac6..0e285c6 100644 --- a/drivers/i2c/i2c-boardinfo.c +++ b/drivers/i2c/i2c-boardinfo.c @@ -15,6 +15,7 @@ #include <linux/export.h> #include <linux/i2c.h> #include <linux/kernel.h> +#include <linux/property.h> #include <linux/rwsem.h> #include <linux/slab.h> @@ -55,6 +56,7 @@ 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. + * Device properties are deep-copied though. */ int i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsigned len) { @@ -78,6 +80,16 @@ int i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsig devinfo->busnum = busnum; devinfo->board_info = *info; + + if (info->properties) { + devinfo->board_info.properties = + property_entries_dup(info->properties); + if (IS_ERR(devinfo->board_info.properties)) { + status = PTR_ERR(devinfo->board_info.properties); + break; + } + } + list_add_tail(&devinfo->list, &__i2c_board_list); } |
