On Wed, 17 Oct 2012, Guennadi Liakhovetski wrote: > Hi > > I've got a situation, for which I currently don't have a (good) solution. Ok, right, would it be acceptable to just do something like if (dev->parent) device_lock(dev->parent); device_release_driver(dev); device_attach(dev); ? Thanks Guennadi > Let's say device A depends on device B and as long as B hasn't probed, A > requests deferred probing. Now B probes, which causes A to also succeed > its probing. Next we want to remove B, say, by unloading its driver. A has > to go back into "deferred-probing" state. How do we do it? This can be > achieved by unloading B's driver and loading again. Essentially, we have > to use the sysfs "unbind" and then the "bind" attributes. But how do we do > this from the kernel? Shall we export driver_bind() and driver_unbind()? --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
