On Wed, Mar 13, 2019 at 05:55:24PM +0100, Wolfram Sang wrote:
> From: Heiner Kallweit <hkallwe...@gmail.com>
> 
> Currently i2c_new_device and i2c_new_dummy return just NULL in error
> case although they have more error details internally. Therefore move
> the functionality into new functions returning detailed errors and
> add wrappers for compatibility with the current API.
> 
> This allows to use these functions with detailed error codes within
> the i2c core or for API extensions.
> 
> Signed-off-by: Heiner Kallweit <hkallwe...@gmail.com>
> [wsa: rename new functions to 'errptr' style and fix minor kdoc issues]
> Signed-off-by: Wolfram Sang <wsa+rene...@sang-engineering.com>

Reviewed-by: Simon Horman <horms+rene...@verge.net.au>

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