[RFC PATCH] ata: piix: wait for end of asynchronous probing before

From: Corentin Labbe
Date: Mon Oct 17 2016 - 12:47:32 EST

Enabling CONFIG_DEBUG_TEST_DRIVER_REMOVE under qemu give me a WARN() trace.
Waiting for the end of the ATA RESET seems to clean the issue.
But I am not sure if my solution and the way to solve it are correct.