X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fkernel%2Firq%2Fmsi.c;fp=kernel%2Fkernel%2Firq%2Fmsi.c;h=6b0c0b74a2a1a88c0d3f81519fea7c520b290967;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=474de5cb394d3c2007135c788a5c40c973e34c6a;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git

diff --git a/kernel/kernel/irq/msi.c b/kernel/kernel/irq/msi.c
index 474de5cb3..6b0c0b74a 100644
--- a/kernel/kernel/irq/msi.c
+++ b/kernel/kernel/irq/msi.c
@@ -18,6 +18,23 @@
 /* Temparory solution for building, will be removed later */
 #include <linux/pci.h>
 
+struct msi_desc *alloc_msi_entry(struct device *dev)
+{
+	struct msi_desc *desc = kzalloc(sizeof(*desc), GFP_KERNEL);
+	if (!desc)
+		return NULL;
+
+	INIT_LIST_HEAD(&desc->list);
+	desc->dev = dev;
+
+	return desc;
+}
+
+void free_msi_entry(struct msi_desc *entry)
+{
+	kfree(entry);
+}
+
 void __get_cached_msi_msg(struct msi_desc *entry, struct msi_msg *msg)
 {
 	*msg = entry->msg;
@@ -124,7 +141,7 @@ static void msi_domain_free(struct irq_domain *domain, unsigned int virq,
 	irq_domain_free_irqs_top(domain, virq, nr_irqs);
 }
 
-static struct irq_domain_ops msi_domain_ops = {
+static const struct irq_domain_ops msi_domain_ops = {
 	.alloc		= msi_domain_alloc,
 	.free		= msi_domain_free,
 	.activate	= msi_domain_activate,
@@ -211,22 +228,18 @@ static void msi_domain_update_chip_ops(struct msi_domain_info *info)
 {
 	struct irq_chip *chip = info->chip;
 
-	BUG_ON(!chip);
-	if (!chip->irq_mask)
-		chip->irq_mask = pci_msi_mask_irq;
-	if (!chip->irq_unmask)
-		chip->irq_unmask = pci_msi_unmask_irq;
+	BUG_ON(!chip || !chip->irq_mask || !chip->irq_unmask);
 	if (!chip->irq_set_affinity)
 		chip->irq_set_affinity = msi_domain_set_affinity;
 }
 
 /**
  * msi_create_irq_domain - Create a MSI interrupt domain
- * @of_node:	Optional device-tree node of the interrupt controller
+ * @fwnode:	Optional fwnode of the interrupt controller
  * @info:	MSI domain info
  * @parent:	Parent irq domain
  */
-struct irq_domain *msi_create_irq_domain(struct device_node *node,
+struct irq_domain *msi_create_irq_domain(struct fwnode_handle *fwnode,
 					 struct msi_domain_info *info,
 					 struct irq_domain *parent)
 {
@@ -235,8 +248,8 @@ struct irq_domain *msi_create_irq_domain(struct device_node *node,
 	if (info->flags & MSI_FLAG_USE_DEF_CHIP_OPS)
 		msi_domain_update_chip_ops(info);
 
-	return irq_domain_add_hierarchy(parent, 0, 0, node, &msi_domain_ops,
-					info);
+	return irq_domain_create_hierarchy(parent, 0, 0, fwnode,
+					   &msi_domain_ops, info);
 }
 
 /**