[U-Boot] [PATCH v2 1/7] dm: core: Add of_alias_get_highest_id()
Heiko Schocher
hs at denx.de
Thu Feb 7 06:46:22 UTC 2019
Hello Michal,
Am 31.01.2019 um 16:30 schrieb Michal Simek:
> The same functionality was added to Linux for i2c bus registration with this
> commit message:
>
> "
> of: base: add function to get highest id of an alias stem
>
> I2C supports adding adapters using either a dynamic or fixed id. The
> latter is provided by aliases in the DT case. To prevent id collisions
> of those two types, install this function which gives us the highest
> fixed id, so we can then let the dynamically created ones come after
> this highest number.
>
> Signed-off-by: Wolfram Sang <wsa+renesas at sang-engineering.com>
> Acked-by: Rob Herring <robh at kernel.org>
> Signed-off-by: Wolfram Sang <wsa at the-dreams.de>
> "
>
> Add it also to U-Boot for DM I2C support.
>
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
> ---
>
> Changes in v2:
> - Update kernel-doc binding
> - Return -1 in case of error. -1 means that the next free alias is 0.
>
> drivers/core/of_access.c | 18 ++++++++++++++++++
> include/dm/of_access.h | 10 ++++++++++
> 2 files changed, 28 insertions(+)
Looks good to me
Reviewed-by: Heiko Schocher <hs at denx.de>
bye,
Heiko
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