Patch "ahci: remove pmp link online check in FBS EH" has been added to the 3.4-stable tree

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This is a note to let you know that I've just added the patch titled

    ahci: remove pmp link online check in FBS EH

to the 3.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     ahci-remove-pmp-link-online-check-in-fbs-eh.patch
and it can be found in the queue-3.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 912b9ac683b112615d5605686f1dc086402ce9f7 Mon Sep 17 00:00:00 2001
From: Shane Huang <shane.huang@xxxxxxx>
Date: Sat, 8 Jun 2013 16:00:16 +0800
Subject: ahci: remove pmp link online check in FBS EH

From: Shane Huang <shane.huang@xxxxxxx>

commit 912b9ac683b112615d5605686f1dc086402ce9f7 upstream.

ata_link_online() check in ahci_error_intr() is unnecessary, it should
be removed otherwise may lead to lockup with FBS enabled PMP.
http://marc.info/?l=linux-ide&m=137050421603272&w=2

Reported-by: Yu Liu <liuyu.ac@xxxxxxxxx>
Signed-off-by: Shane Huang <shane.huang@xxxxxxx>
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/ata/libahci.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -1543,8 +1543,7 @@ static void ahci_error_intr(struct ata_p
 		u32 fbs = readl(port_mmio + PORT_FBS);
 		int pmp = fbs >> PORT_FBS_DWE_OFFSET;
 
-		if ((fbs & PORT_FBS_SDE) && (pmp < ap->nr_pmp_links) &&
-		    ata_link_online(&ap->pmp_link[pmp])) {
+		if ((fbs & PORT_FBS_SDE) && (pmp < ap->nr_pmp_links)) {
 			link = &ap->pmp_link[pmp];
 			fbs_need_dec = true;
 		}


Patches currently in stable-queue which might be from shane.huang@xxxxxxx are

queue-3.4/ahci-add-amd-cz-sata-device-id.patch
queue-3.4/ahci-remove-pmp-link-online-check-in-fbs-eh.patch
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