pseries: Fix bug with reset of VIO CRQs
PAPR specifies a Command Response Queue (CRQ) mechanism used for virtual IO, which we implement. However, we don't correctly clean up registered CRQs when we reset the system. This patch adds a reset handler to fix this bug. While we're at it, add in some of the extra debug messages that were used to track the problem down. Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au> [AF: Updated hcall_dprintf()s to not duplicate the function name] Signed-off-by: NAndreas Färber <afaerber@suse.de>
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