tree 09b6c3b2abd4774f63e4a0d467e3c70daa52663e
parent 765230b5f084863183aa8adb3405ab3f32c0b16e
author Luis R. Rodriguez <mcgrof@suse.com> 1427757605 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1432106724 -0700

driver-core: add driver module asynchronous probe support

Some init systems may wish to express the desire to have device drivers
run their probe() code asynchronously. This implements support for this
and allows userspace to request async probe as a preference through a
generic shared device driver module parameter, async_probe.

Implementation for async probe is supported through a module parameter
given that since synchronous probe has been prevalent for years some
userspace might exist which relies on the fact that the device driver
will probe synchronously and the assumption that devices it provides
will be immediately available after this.

Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>