diff --git a/openpower/linux/linux-0008-aacraid-Add-Power-Management-support.patch b/openpower/linux/linux-0008-aacraid-Add-Power-Management-support.patch
new file mode 100644
index 0000000..c0fe2b0
--- /dev/null
+++ b/openpower/linux/linux-0008-aacraid-Add-Power-Management-support.patch
@@ -0,0 +1,441 @@
+From 7ab8dcb7103f8f4c2ae66d6860048928a1e68f81 Mon Sep 17 00:00:00 2001
+From: Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com>
+Date: Fri, 28 Aug 2015 06:38:34 -0400
+Subject: [PATCH 08/17] aacraid: Add Power Management support
+
+* .suspend() and .resume() routines implemented in the driver
+* aac_release_resources() initiates firmware shutdown
+* aac_acquire_resources re-initializes the host interface
+
+Reviewed-by: Tomas Henzl <thenzl@redhat.com>
+Reviewed-by: Murthy Bhat <Murthy.Bhat@pmcs.com>
+Reviewed-by: Karthikeya Sunkesula <Karthikeya.Sunkesula@pmcs.com>
+Signed-off-by: Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com>
+Signed-off-by: Joel Stanley <joel@jms.id.au>
+---
+ drivers/scsi/aacraid/aacraid.h  |   5 ++
+ drivers/scsi/aacraid/comminit.c | 154 ++++++++++++++++++++--------------------
+ drivers/scsi/aacraid/linit.c    | 147 ++++++++++++++++++++++++++++++++++++++
+ drivers/scsi/aacraid/rx.c       |   1 +
+ drivers/scsi/aacraid/sa.c       |   1 +
+ drivers/scsi/aacraid/src.c      |   2 +
+ 6 files changed, 232 insertions(+), 78 deletions(-)
+
+diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
+index 40fe65c..62b0999 100644
+--- a/drivers/scsi/aacraid/aacraid.h
++++ b/drivers/scsi/aacraid/aacraid.h
+@@ -547,6 +547,7 @@ struct adapter_ops
+ 	int  (*adapter_sync_cmd)(struct aac_dev *dev, u32 command, u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6, u32 *status, u32 *r1, u32 *r2, u32 *r3, u32 *r4);
+ 	int  (*adapter_check_health)(struct aac_dev *dev);
+ 	int  (*adapter_restart)(struct aac_dev *dev, int bled);
++	void (*adapter_start)(struct aac_dev *dev);
+ 	/* Transport operations */
+ 	int  (*adapter_ioremap)(struct aac_dev * dev, u32 size);
+ 	irq_handler_t adapter_intr;
+@@ -1247,6 +1248,9 @@ struct aac_dev
+ #define aac_adapter_restart(dev,bled) \
+ 	(dev)->a_ops.adapter_restart(dev,bled)
+ 
++#define aac_adapter_start(dev) \
++	((dev)->a_ops.adapter_start(dev))
++
+ #define aac_adapter_ioremap(dev, size) \
+ 	(dev)->a_ops.adapter_ioremap(dev, size)
+ 
+@@ -2127,6 +2131,7 @@ int aac_sa_init(struct aac_dev *dev);
+ int aac_src_init(struct aac_dev *dev);
+ int aac_srcv_init(struct aac_dev *dev);
+ int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw_fib, int wait, struct fib * fibptr, unsigned long *nonotify);
++void aac_define_int_mode(struct aac_dev *dev);
+ unsigned int aac_response_normal(struct aac_queue * q);
+ unsigned int aac_command_normal(struct aac_queue * q);
+ unsigned int aac_intr_normal(struct aac_dev *dev, u32 Index,
+diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
+index 45db84a..45a0a04 100644
+--- a/drivers/scsi/aacraid/comminit.c
++++ b/drivers/scsi/aacraid/comminit.c
+@@ -43,8 +43,6 @@
+ 
+ #include "aacraid.h"
+ 
+-static void aac_define_int_mode(struct aac_dev *dev);
+-
+ struct aac_common aac_config = {
+ 	.irq_mod = 1
+ };
+@@ -338,6 +336,82 @@ static int aac_comm_init(struct aac_dev * dev)
+ 	return 0;
+ }
+ 
++void aac_define_int_mode(struct aac_dev *dev)
++{
++	int i, msi_count;
++
++	msi_count = i = 0;
++	/* max. vectors from GET_COMM_PREFERRED_SETTINGS */
++	if (dev->max_msix == 0 ||
++	    dev->pdev->device == PMC_DEVICE_S6 ||
++	    dev->sync_mode) {
++		dev->max_msix = 1;
++		dev->vector_cap =
++			dev->scsi_host_ptr->can_queue +
++			AAC_NUM_MGT_FIB;
++		return;
++	}
++
++	/* Don't bother allocating more MSI-X vectors than cpus */
++	msi_count = min(dev->max_msix,
++		(unsigned int)num_online_cpus());
++
++	dev->max_msix = msi_count;
++
++	if (msi_count > AAC_MAX_MSIX)
++		msi_count = AAC_MAX_MSIX;
++
++	for (i = 0; i < msi_count; i++)
++		dev->msixentry[i].entry = i;
++
++	if (msi_count > 1 &&
++	    pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) {
++		i = pci_enable_msix(dev->pdev,
++				    dev->msixentry,
++				    msi_count);
++		 /* Check how many MSIX vectors are allocated */
++		if (i >= 0) {
++			dev->msi_enabled = 1;
++			if (i) {
++				msi_count = i;
++				if (pci_enable_msix(dev->pdev,
++				    dev->msixentry,
++				    msi_count)) {
++					dev->msi_enabled = 0;
++					printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n",
++							dev->name, dev->id, i);
++				}
++			}
++		} else {
++			dev->msi_enabled = 0;
++			printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n",
++					dev->name, dev->id, i);
++		}
++	}
++
++	if (!dev->msi_enabled) {
++		msi_count = 1;
++		i = pci_enable_msi(dev->pdev);
++
++		if (!i) {
++			dev->msi_enabled = 1;
++			dev->msi = 1;
++		} else {
++			printk(KERN_ERR "%s%d: MSI not supported!! Will try INTx 0x%x.\n",
++					dev->name, dev->id, i);
++		}
++	}
++
++	if (!dev->msi_enabled)
++		dev->max_msix = msi_count = 1;
++	else {
++		if (dev->max_msix > msi_count)
++			dev->max_msix = msi_count;
++	}
++	dev->vector_cap =
++		(dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB) /
++		msi_count;
++}
+ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
+ {
+ 	u32 status[5];
+@@ -508,79 +582,3 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
+ 	return dev;
+ }
+ 
+-static void aac_define_int_mode(struct aac_dev *dev)
+-{
+-
+-	int i, msi_count;
+-
+-	msi_count = i = 0;
+-	/* max. vectors from GET_COMM_PREFERRED_SETTINGS */
+-	if (dev->max_msix == 0 ||
+-	    dev->pdev->device == PMC_DEVICE_S6 ||
+-	    dev->sync_mode) {
+-		dev->max_msix = 1;
+-		dev->vector_cap =
+-			dev->scsi_host_ptr->can_queue +
+-			AAC_NUM_MGT_FIB;
+-		return;
+-	}
+-
+-	msi_count = min(dev->max_msix,
+-		(unsigned int)num_online_cpus());
+-
+-	dev->max_msix = msi_count;
+-
+-	if (msi_count > AAC_MAX_MSIX)
+-		msi_count = AAC_MAX_MSIX;
+-
+-	for (i = 0; i < msi_count; i++)
+-		dev->msixentry[i].entry = i;
+-
+-	if (msi_count > 1 &&
+-	    pci_find_capability(dev->pdev, PCI_CAP_ID_MSIX)) {
+-		i = pci_enable_msix(dev->pdev,
+-				    dev->msixentry,
+-				    msi_count);
+-		 /* Check how many MSIX vectors are allocated */
+-		if (i >= 0) {
+-			dev->msi_enabled = 1;
+-			if (i) {
+-				msi_count = i;
+-				if (pci_enable_msix(dev->pdev,
+-				    dev->msixentry,
+-				    msi_count)) {
+-					dev->msi_enabled = 0;
+-					printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n",
+-							dev->name, dev->id, i);
+-				}
+-			}
+-		} else {
+-			dev->msi_enabled = 0;
+-			printk(KERN_ERR "%s%d: MSIX not supported!! Will try MSI 0x%x.\n",
+-					dev->name, dev->id, i);
+-		}
+-	}
+-
+-	if (!dev->msi_enabled) {
+-		msi_count = 1;
+-		i = pci_enable_msi(dev->pdev);
+-
+-		if (!i) {
+-			dev->msi_enabled = 1;
+-			dev->msi = 1;
+-		} else {
+-			printk(KERN_ERR "%s%d: MSI not supported!! Will try INTx 0x%x.\n",
+-					dev->name, dev->id, i);
+-		}
+-	}
+-
+-	if (!dev->msi_enabled)
+-		dev->max_msix = msi_count = 1;
+-	else {
+-		if (dev->max_msix > msi_count)
+-			dev->max_msix = msi_count;
+-	}
+-	dev->vector_cap =
+-		(dev->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB) /
+-		msi_count;
+-}
+diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
+index 9eec027..37375cf 100644
+--- a/drivers/scsi/aacraid/linit.c
++++ b/drivers/scsi/aacraid/linit.c
+@@ -1317,6 +1317,149 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
+ 	return error;
+ }
+ 
++#if (defined(CONFIG_PM))
++void aac_release_resources(struct aac_dev *aac)
++{
++	int i;
++
++	aac_adapter_disable_int(aac);
++	if (aac->pdev->device == PMC_DEVICE_S6 ||
++	    aac->pdev->device == PMC_DEVICE_S7 ||
++	    aac->pdev->device == PMC_DEVICE_S8 ||
++	    aac->pdev->device == PMC_DEVICE_S9) {
++		if (aac->max_msix > 1) {
++			for (i = 0; i < aac->max_msix; i++)
++				free_irq(aac->msixentry[i].vector,
++					&(aac->aac_msix[i]));
++		} else {
++			free_irq(aac->pdev->irq, &(aac->aac_msix[0]));
++		}
++	} else {
++		free_irq(aac->pdev->irq, aac);
++	}
++	if (aac->msi)
++		pci_disable_msi(aac->pdev);
++	else if (aac->max_msix > 1)
++		pci_disable_msix(aac->pdev);
++
++}
++
++static int aac_acquire_resources(struct aac_dev *dev)
++{
++	int i, j;
++	int instance = dev->id;
++	const char *name = dev->name;
++	unsigned long status;
++	/*
++	 *	First clear out all interrupts.  Then enable the one's that we
++	 *	can handle.
++	 */
++	while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
++		|| status == 0xffffffff)
++			msleep(20);
++
++	aac_adapter_disable_int(dev);
++	aac_adapter_enable_int(dev);
++
++
++	if ((dev->pdev->device == PMC_DEVICE_S7 ||
++	     dev->pdev->device == PMC_DEVICE_S8 ||
++	     dev->pdev->device == PMC_DEVICE_S9))
++		aac_define_int_mode(dev);
++
++	if (dev->msi_enabled)
++		aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
++
++	if (!dev->sync_mode && dev->msi_enabled && dev->max_msix > 1) {
++		for (i = 0; i < dev->max_msix; i++) {
++			dev->aac_msix[i].vector_no = i;
++			dev->aac_msix[i].dev = dev;
++
++			if (request_irq(dev->msixentry[i].vector,
++					dev->a_ops.adapter_intr,
++					0, "aacraid", &(dev->aac_msix[i]))) {
++				printk(KERN_ERR "%s%d: Failed to register IRQ for vector %d.\n",
++						name, instance, i);
++				for (j = 0 ; j < i ; j++)
++					free_irq(dev->msixentry[j].vector,
++						 &(dev->aac_msix[j]));
++				pci_disable_msix(dev->pdev);
++				goto error_iounmap;
++			}
++		}
++	} else {
++		dev->aac_msix[0].vector_no = 0;
++		dev->aac_msix[0].dev = dev;
++
++		if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
++			IRQF_SHARED, "aacraid",
++			&(dev->aac_msix[0])) < 0) {
++			if (dev->msi)
++				pci_disable_msi(dev->pdev);
++			printk(KERN_ERR "%s%d: Interrupt unavailable.\n",
++					name, instance);
++			goto error_iounmap;
++		}
++	}
++
++	aac_adapter_enable_int(dev);
++
++	if (!dev->sync_mode)
++		aac_adapter_start(dev);
++	return 0;
++
++error_iounmap:
++	return -1;
++
++}
++static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
++{
++
++	struct Scsi_Host *shost = pci_get_drvdata(pdev);
++	struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
++
++	scsi_block_requests(shost);
++	aac_send_shutdown(aac);
++
++	aac_release_resources(aac);
++
++	pci_set_drvdata(pdev, shost);
++	pci_save_state(pdev);
++	pci_disable_device(pdev);
++	pci_set_power_state(pdev, pci_choose_state(pdev, state));
++
++	return 0;
++}
++
++static int aac_resume(struct pci_dev *pdev)
++{
++	struct Scsi_Host *shost = pci_get_drvdata(pdev);
++	struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
++	int r;
++
++	pci_set_power_state(pdev, PCI_D0);
++	pci_enable_wake(pdev, PCI_D0, 0);
++	pci_restore_state(pdev);
++	r = pci_enable_device(pdev);
++
++	if (r)
++		goto fail_device;
++
++	pci_set_master(pdev);
++	if (aac_acquire_resources(aac))
++		goto fail_device;
++	scsi_unblock_requests(shost);
++
++	return 0;
++
++fail_device:
++	printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
++	scsi_host_put(shost);
++	pci_disable_device(pdev);
++	return -ENODEV;
++}
++#endif
++
+ static void aac_shutdown(struct pci_dev *dev)
+ {
+ 	struct Scsi_Host *shost = pci_get_drvdata(dev);
+@@ -1356,6 +1499,10 @@ static struct pci_driver aac_pci_driver = {
+ 	.id_table	= aac_pci_tbl,
+ 	.probe		= aac_probe_one,
+ 	.remove		= aac_remove_one,
++#if (defined(CONFIG_PM))
++	.suspend	= aac_suspend,
++	.resume		= aac_resume,
++#endif
+ 	.shutdown	= aac_shutdown,
+ };
+ 
+diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c
+index 9570612..ac16380 100644
+--- a/drivers/scsi/aacraid/rx.c
++++ b/drivers/scsi/aacraid/rx.c
+@@ -623,6 +623,7 @@ int _aac_rx_init(struct aac_dev *dev)
+ 	dev->a_ops.adapter_sync_cmd = rx_sync_cmd;
+ 	dev->a_ops.adapter_check_health = aac_rx_check_health;
+ 	dev->a_ops.adapter_restart = aac_rx_restart_adapter;
++	dev->a_ops.adapter_start = aac_rx_start_adapter;
+ 
+ 	/*
+ 	 *	First clear out all interrupts.  Then enable the one's that we
+diff --git a/drivers/scsi/aacraid/sa.c b/drivers/scsi/aacraid/sa.c
+index e66477c..869aea2 100644
+--- a/drivers/scsi/aacraid/sa.c
++++ b/drivers/scsi/aacraid/sa.c
+@@ -372,6 +372,7 @@ int aac_sa_init(struct aac_dev *dev)
+ 	dev->a_ops.adapter_sync_cmd = sa_sync_cmd;
+ 	dev->a_ops.adapter_check_health = aac_sa_check_health;
+ 	dev->a_ops.adapter_restart = aac_sa_restart_adapter;
++	dev->a_ops.adapter_start = aac_sa_start_adapter;
+ 	dev->a_ops.adapter_intr = aac_sa_intr;
+ 	dev->a_ops.adapter_deliver = aac_rx_deliver_producer;
+ 	dev->a_ops.adapter_ioremap = aac_sa_ioremap;
+diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c
+index e63cf9f..b147341 100644
+--- a/drivers/scsi/aacraid/src.c
++++ b/drivers/scsi/aacraid/src.c
+@@ -726,6 +726,7 @@ int aac_src_init(struct aac_dev *dev)
+ 	dev->a_ops.adapter_sync_cmd = src_sync_cmd;
+ 	dev->a_ops.adapter_check_health = aac_src_check_health;
+ 	dev->a_ops.adapter_restart = aac_src_restart_adapter;
++	dev->a_ops.adapter_start = aac_src_start_adapter;
+ 
+ 	/*
+ 	 *	First clear out all interrupts.  Then enable the one's that we
+@@ -892,6 +893,7 @@ int aac_srcv_init(struct aac_dev *dev)
+ 	dev->a_ops.adapter_sync_cmd = src_sync_cmd;
+ 	dev->a_ops.adapter_check_health = aac_src_check_health;
+ 	dev->a_ops.adapter_restart = aac_src_restart_adapter;
++	dev->a_ops.adapter_start = aac_src_start_adapter;
+ 
+ 	/*
+ 	 *	First clear out all interrupts.  Then enable the one's that we
+-- 
+2.5.0
+