[PATCH] i2c: sirf: move driver init from module_init to subsys_initcall

[Mark Brown]

On Mon, May 27, 2013 at 09:54:56AM +0800, Barry Song wrote:

> Mark, the case is not that deferred probing is slow or not. deferred
> probing is pretty good.
> the case is that we want to i2c and media connected with i2c probed
> earlier than other devices.
> in auto infotainment devices, we actually do some hacking in kernel
> that makes rear view work earlier than other device driver
> initialization with a kernel thread which take care of backing-car
> policy not only mechanism. that means, we make camera work to see
> backview image even earlier than other drivers' initialization.
> we don't want media deferred to wait for i2c. we want make some early
> jobs ready earlier.

So this change makes no practical difference in mainline and exists to
support out of tree hacks for performance?  It doesn't seem like that
big a patch to carry along with the out of tree stuff...
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