[i2c] [PATCH] i2c-dev: Unbound new-style i2c clients aren't busy

[David Brownell]

> David, can you please test and confirm that i2c-dev behaves as it
> should with new-styled drivers? Thanks.

Will do.  Given this change, it would seem i2c_check_addr() is no
longer needed in the public API, so <linux/i2c.h> should strike it
and i2c-core.c shouldn't export it ... the only reason to export
that function from i2c-core seems to be that i2c-dev needed it.

- Dave