Patch "ipr: Clear interrupt on croc/crocodile when running with LSI" has been added to the 4.4-stable tree

Patch "ipr: Clear interrupt on croc/crocodile when running with LSI" has been added to the 4.4-stable tree

[gregkh]

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

    ipr: Clear interrupt on croc/crocodile when running with LSI

to the 4.4-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:
     ipr-clear-interrupt-on-croc-crocodile-when-running-with-lsi.patch
and it can be found in the queue-4.4 subdirectory.

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


>From 54e430bbd490e18ab116afa4cd90dcc45787b3df Mon Sep 17 00:00:00 2001
From: Brian King <brking@linux.vnet.ibm.com>
Date: Mon, 27 Jun 2016 09:09:40 -0500
Subject: ipr: Clear interrupt on croc/crocodile when running with LSI

From: Brian King <brking@linux.vnet.ibm.com>

commit 54e430bbd490e18ab116afa4cd90dcc45787b3df upstream.

If we fall back to using LSI on the Croc or Crocodile chip we need to
clear the interrupt so we don't hang the system.

Tested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/scsi/ipr.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -10095,6 +10095,7 @@ static int ipr_probe_ioa(struct pci_dev
 		ioa_cfg->intr_flag = IPR_USE_MSI;
 	else {
 		ioa_cfg->intr_flag = IPR_USE_LSI;
+		ioa_cfg->clear_isr = 1;
 		ioa_cfg->nvectors = 1;
 		dev_info(&pdev->dev, "Cannot enable MSI.\n");
 	}


Patches currently in stable-queue which might be from brking@linux.vnet.ibm.com are

queue-4.4/ipr-clear-interrupt-on-croc-crocodile-when-running-with-lsi.patch