[PATCH] NVMe: Re-introduce polling for completions

[Johannes Thumshirn]

On 2016-04-05 00:24, Keith Busch wrote:
> Multiple users have reported device initialization failure on some
> platforms due the driver not receiving expected interrupts. This is not
> the fault of any particular controller. This patch polls for 
> completions
> on the admin queue in the watchdog timer, and starts the timer 
> immediately
> after controller initialization completes, just before the first admin
> command is issued.
> 
> Reported-by: Tim Muhlemmer <muhlemmer at gmail.com>
> Reported-by: Jon Derrick <jonathan.derrick at intel.com>
> Signed-off-by: Keith Busch <keith.busch at intel.com>

Reviewed-by: Johannes Thumshirn <jthumshirn at suse.de>