[PATCH v2] i2c: replace i2c_new_secondary_device with an ERR_PTR variant

[Wolfram Sang]

On Fri, Aug 09, 2019 at 05:40:47PM +0200, Wolfram Sang wrote:
> In the general move to have i2c_new_*_device functions which return
> ERR_PTR instead of NULL, this patch converts i2c_new_secondary_device().
> 
> There are only few users, so this patch converts the I2C core and all
> users in one go. The function gets renamed to i2c_new_ancillary_device()
> so out-of-tree users will get a build failure to understand they need to
> adapt their error checking code.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas at sang-engineering.com>
> Reviewed-by: Kieran Bingham <kieran.bingham+renesas at ideasonboard.com> # adv748x
> Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com> # adv7511

Applied to for-next, thanks!

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