From bd58ea3c25dbee16857733f3176dba23c34b64e5 Mon Sep 17 00:00:00 2001
From: Sreekanth Reddy <sreekanth.reddy@avagotech.com>
Date: Fri, 12 Sep 2014 15:35:19 +0530
Subject: [PATCH] mpt2sas: Clear PFA Status on SGPIO when PFA Drive is Removed
 or Replaced

Added code to send a SEP message that turns off the Predictive
Failure LED when a drive is removed (if Predictive Failure LED was turned on).

Added a new flag 'pfa_led_on' per device that tracks the status of Predictive
Failure LED. When the drive is removed, this flag is checked and
sends the SEP message to turn off the respective Predictive Failure LED.

Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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