Patch "scsi: mpt3sas: disable ASPM for MPI2 controllers" has been added to the 4.9-stable tree

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

scsi: mpt3sas: disable ASPM for MPI2 controllers

to the 4.9-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:
scsi-mpt3sas-disable-aspm-for-mpi2-controllers.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: ojab <[email protected]>
Date: Wed, 28 Dec 2016 11:05:24 +0000
Subject: scsi: mpt3sas: disable ASPM for MPI2 controllers

From: ojab <[email protected]>

commit ffdadd68af5a397b8a52289ab39d62e1acb39e63 upstream.

MPI2 controllers sometimes got lost (i.e. disappear from /sys/bus/pci/devices) if ASMP is enabled.

---
 drivers/scsi/mpt3sas/mpt3sas_scsih.c |    3 +++
 1 file changed, 3 insertions(+)

@@ -51,6 +51,7 @@
 #include <linux/workqueue.h>
 #include <linux/delay.h>
 #include <linux/pci.h>
+#include <linux/pci-aspm.h>
 #include <linux/interrupt.h>
 #include <linux/aer.h>
 #include <linux/raid_class.h>

@@ -8706,6 +8707,8 @@ _scsih_probe(struct pci_dev *pdev, const
 
 	switch (hba_mpi_version) {
 	case MPI2_VERSION:
+		pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S |
+			PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
 		/* Use mpt2sas driver host template for SAS 2.0 HBA's */
 		shost = scsi_host_alloc(&mpt2sas_driver_template,
 		  sizeof(struct MPT3SAS_ADAPTER));

Patches currently in stable-queue which might be from [email protected] are

queue-4.9/scsi-mpt3sas-disable-aspm-for-mpi2-controllers.patch