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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