10 files changed, 23 insertions, 34 deletions

diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
index 8c464c55b5d0..1d793e4b8d56 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
@@ -244,7 +244,7 @@ static struct irq_chip mpc52xx_sdma_irqchip = {
 static int mpc52xx_irqhost_match(struct irq_host *h, struct device_node *node)
 {
         pr_debug("%s: node=%p\n", __func__, node);
-        return mpc52xx_irqhost->host_data == node;
+        return h->of_node == node;
 }
 
 static int mpc52xx_irqhost_xlate(struct irq_host *h, struct device_node *ct,
@@ -419,14 +419,13 @@ void __init mpc52xx_init_irq(void)
          * hw irq information provided by the ofw to linux virq
          */
 
-        mpc52xx_irqhost = irq_alloc_host(IRQ_HOST_MAP_LINEAR,
+        mpc52xx_irqhost = irq_alloc_host(picnode, IRQ_HOST_MAP_LINEAR,
                                          MPC52xx_IRQ_HIGHTESTHWIRQ,
                                          &mpc52xx_irqhost_ops, -1);
 
         if (!mpc52xx_irqhost)
                 panic(__FILE__ ": Cannot allocate the IRQ host\n");
 
-        mpc52xx_irqhost->host_data = picnode;
         printk(KERN_INFO "MPC52xx PIC is up and running!\n");
 }
 
diff --git a/arch/powerpc/platforms/82xx/mpc82xx_ads.c b/arch/powerpc/platforms/82xx/mpc82xx_ads.c
index c0a0c56ac5b3..91ddbd2f477d 100644
--- a/arch/powerpc/platforms/82xx/mpc82xx_ads.c
+++ b/arch/powerpc/platforms/82xx/mpc82xx_ads.c
@@ -61,7 +61,6 @@ static struct {
 
 static unsigned long pci_int_base;
 static struct irq_host *pci_pic_host;
-static struct device_node *pci_pic_node;
 #endif
 
 static void __init mpc82xx_ads_pic_init(void)
@@ -401,7 +400,7 @@ m82xx_pci_irq_demux(unsigned int irq, struct irq_desc *desc)
 
 static int pci_pic_host_match(struct irq_host *h, struct device_node *node)
 {
-        return node == pci_pic_node;
+        return h->of_node == node;
 }
 
 static int pci_pic_host_map(struct irq_host *h, unsigned int virq,
@@ -478,7 +477,6 @@ void m82xx_pci_init_irq(void)
                 iounmap(immap);
                 return;
         }
-        pci_pic_node = of_node_get(np);
         /* PCI interrupt controller registers: status and mask */
         regs = of_get_property(np, "reg", &size);
         if ((!regs) || (size <= 2)) {
@@ -490,7 +488,6 @@ void m82xx_pci_init_irq(void)
             ioremap(regs[0], sizeof(*pci_regs.pci_int_stat_reg));
         pci_regs.pci_int_mask_reg =
             ioremap(regs[1], sizeof(*pci_regs.pci_int_mask_reg));
-        of_node_put(np);
         /* configure chip select for PCI interrupt controller */
         immap->im_memctl.memc_br3 = regs[0] | 0x00001801;
         immap->im_memctl.memc_or3 = 0xffff8010;
@@ -501,7 +498,7 @@ void m82xx_pci_init_irq(void)
         *pci_regs.pci_int_mask_reg |= 0xfff00000;
         iounmap(immap);
         pci_pic_host =
-            irq_alloc_host(IRQ_HOST_MAP_LINEAR, irq_max - irq_min + 1,
+            irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, irq_max - irq_min + 1,
                            &pci_pic_host_ops, irq_max + 1);
         return;
 }
diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
index 4c9ab5b70bae..bdd97bb2446d 100644
--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -64,7 +64,6 @@
 
 
 struct axon_msic {
-        struct device_node *dn;
         struct irq_host *irq_host;
         __le32 *fifo;
         dcr_host_t dcr_host;
@@ -297,9 +296,7 @@ static int msic_host_map(struct irq_host *h, unsigned int virq,
 
 static int msic_host_match(struct irq_host *host, struct device_node *dn)
 {
-        struct axon_msic *msic = host->host_data;
-
-        return msic->dn == dn;
+        return host->of_node == dn;
 }
 
 static struct irq_host_ops msic_host_ops = {
@@ -314,7 +311,8 @@ static int axon_msi_notify_reboot(struct notifier_block *nb,
         u32 tmp;
 
         list_for_each_entry(msic, &axon_msic_list, list) {
-                pr_debug("axon_msi: disabling %s\n", msic->dn->full_name);
+                pr_debug("axon_msi: disabling %s\n",
+                          msic->irq_host->of_node->full_name);
                 tmp  = msic_dcr_read(msic, MSIC_CTRL_REG);
                 tmp &= ~MSIC_CTRL_ENABLE & ~MSIC_CTRL_IRQ_ENABLE;
                 msic_dcr_write(msic, MSIC_CTRL_REG, tmp);
@@ -370,8 +368,8 @@ static int axon_msi_setup_one(struct device_node *dn)
 
         msic->fifo = page_address(page);
 
-        msic->irq_host = irq_alloc_host(IRQ_HOST_MAP_NOMAP, NR_IRQS,
-                                        &msic_host_ops, 0);
+        msic->irq_host = irq_alloc_host(of_node_get(dn), IRQ_HOST_MAP_NOMAP,
+                                        NR_IRQS, &msic_host_ops, 0);
         if (!msic->irq_host) {
                 printk(KERN_ERR "axon_msi: couldn't allocate irq_host for %s\n",
                        dn->full_name);
@@ -387,8 +385,6 @@ static int axon_msi_setup_one(struct device_node *dn)
                 goto out_free_host;
         }
 
-        msic->dn = of_node_get(dn);
-
         set_irq_data(virq, msic);
         set_irq_chained_handler(virq, axon_msi_cascade);
         pr_debug("axon_msi: irq 0x%x setup for axon_msi\n", virq);
diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c
index 47264e722029..c29e634177fa 100644
--- a/arch/powerpc/platforms/cell/interrupt.c
+++ b/arch/powerpc/platforms/cell/interrupt.c
@@ -381,7 +381,7 @@ static int __init setup_iic(void)
 void __init iic_init_IRQ(void)
 {
         /* Setup an irq host data structure */
-        iic_host = irq_alloc_host(IRQ_HOST_MAP_LINEAR, IIC_SOURCE_COUNT,
+        iic_host = irq_alloc_host(NULL, IRQ_HOST_MAP_LINEAR, IIC_SOURCE_COUNT,
                                   &iic_host_ops, IIC_IRQ_INVALID);
         BUG_ON(iic_host == NULL);
         irq_set_default_host(iic_host);
diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c
index 05f4b3d3d756..4309c2cbbeb9 100644
--- a/arch/powerpc/platforms/cell/spider-pic.c
+++ b/arch/powerpc/platforms/cell/spider-pic.c
@@ -63,7 +63,6 @@ enum {
 
 struct spider_pic {
         struct irq_host         *host;
-        struct device_node      *of_node;
         void __iomem            *regs;
         unsigned int            node_id;
 };
@@ -178,8 +177,7 @@ static struct irq_chip spider_pic = {
 
 static int spider_host_match(struct irq_host *h, struct device_node *node)
 {
-        struct spider_pic *pic = h->host_data;
-        return node == pic->of_node;
+        return h->of_node == node;
 }
 
 static int spider_host_map(struct irq_host *h, unsigned int virq,
@@ -247,18 +245,18 @@ static unsigned int __init spider_find_cascade_and_node(struct spider_pic *pic)
          * tree in case the device-tree is ever fixed
          */
         struct of_irq oirq;
-        if (of_irq_map_one(pic->of_node, 0, &oirq) == 0) {
+        if (of_irq_map_one(pic->host->of_node, 0, &oirq) == 0) {
                 virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
                                              oirq.size);
                 return virq;
         }
 
         /* Now do the horrible hacks */
-        tmp = of_get_property(pic->of_node, "#interrupt-cells", NULL);
+        tmp = of_get_property(pic->host->of_node, "#interrupt-cells", NULL);
         if (tmp == NULL)
                 return NO_IRQ;
         intsize = *tmp;
-        imap = of_get_property(pic->of_node, "interrupt-map", &imaplen);
+        imap = of_get_property(pic->host->of_node, "interrupt-map", &imaplen);
         if (imap == NULL || imaplen < (intsize + 1))
                 return NO_IRQ;
         iic = of_find_node_by_phandle(imap[intsize]);
@@ -308,15 +306,13 @@ static void __init spider_init_one(struct device_node *of_node, int chip,
                 panic("spider_pic: can't map registers !");
 
         /* Allocate a host */
-        pic->host = irq_alloc_host(IRQ_HOST_MAP_LINEAR, SPIDER_SRC_COUNT,
-                                   &spider_host_ops, SPIDER_IRQ_INVALID);
+        pic->host = irq_alloc_host(of_node_get(of_node), IRQ_HOST_MAP_LINEAR,
+                                   SPIDER_SRC_COUNT, &spider_host_ops,
+                                   SPIDER_IRQ_INVALID);
         if (pic->host == NULL)
                 panic("spider_pic: can't allocate irq host !");
         pic->host->host_data = pic;
 
-        /* Fill out other bits */
-        pic->of_node = of_node_get(of_node);
-
         /* Go through all sources and disable them */
         for (i = 0; i < SPIDER_SRC_COUNT; i++) {
                 void __iomem *cfg = pic->regs + TIR_CFGA + 8 * i;
diff --git a/arch/powerpc/platforms/celleb/interrupt.c b/arch/powerpc/platforms/celleb/interrupt.c
index 98e6665681d3..4ecdf06e421b 100644
--- a/arch/powerpc/platforms/celleb/interrupt.c
+++ b/arch/powerpc/platforms/celleb/interrupt.c
@@ -242,7 +242,7 @@ void __init beatic_init_IRQ(void)
         ppc_md.get_irq = beatic_get_irq;
 
         /* Allocate an irq host */
-        beatic_host = irq_alloc_host(IRQ_HOST_MAP_NOMAP, 0,
+        beatic_host = irq_alloc_host(NULL, IRQ_HOST_MAP_NOMAP, 0,
                                          &beatic_pic_host_ops,
                                          0);
         BUG_ON(beatic_host == NULL);
diff --git a/arch/powerpc/platforms/iseries/irq.c b/arch/powerpc/platforms/iseries/irq.c
index 63b33675848b..36667460c922 100644
--- a/arch/powerpc/platforms/iseries/irq.c
+++ b/arch/powerpc/platforms/iseries/irq.c
@@ -369,7 +369,8 @@ void __init iSeries_init_IRQ(void)
         /* Create irq host. No need for a revmap since HV will give us
          * back our virtual irq number
          */
-        host = irq_alloc_host(IRQ_HOST_MAP_NOMAP, 0, &iseries_irq_host_ops, 0);
+        host = irq_alloc_host(NULL, IRQ_HOST_MAP_NOMAP, 0,
+                              &iseries_irq_host_ops, 0);
         BUG_ON(host == NULL);
         irq_set_default_host(host);
 
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 87cd6805171a..999f5e160897 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -384,7 +384,7 @@ static void __init pmac_pic_probe_oldstyle(void)
         /*
          * Allocate an irq host
          */
-        pmac_pic_host = irq_alloc_host(IRQ_HOST_MAP_LINEAR, max_irqs,
+        pmac_pic_host = irq_alloc_host(master, IRQ_HOST_MAP_LINEAR, max_irqs,
                                        &pmac_pic_host_ops,
                                        max_irqs);
         BUG_ON(pmac_pic_host == NULL);
diff --git a/arch/powerpc/platforms/ps3/interrupt.c b/arch/powerpc/platforms/ps3/interrupt.c
index 67e32ec9b37e..30b9f4c6eb55 100644
--- a/arch/powerpc/platforms/ps3/interrupt.c
+++ b/arch/powerpc/platforms/ps3/interrupt.c
@@ -726,7 +726,7 @@ void __init ps3_init_IRQ(void)
         unsigned cpu;
         struct irq_host *host;
 
-        host = irq_alloc_host(IRQ_HOST_MAP_NOMAP, 0, &ps3_host_ops,
+        host = irq_alloc_host(NULL, IRQ_HOST_MAP_NOMAP, 0, &ps3_host_ops,
                 PS3_INVALID_OUTLET);
         irq_set_default_host(host);
         irq_set_virq_count(PS3_PLUG_MAX + 1);
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 5bd90a7eb763..5ddb0259b1fb 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -540,7 +540,7 @@ static void __init xics_init_host(void)
                 ops = &xics_host_lpar_ops;
         else
                 ops = &xics_host_direct_ops;
-        xics_host = irq_alloc_host(IRQ_HOST_MAP_TREE, 0, ops,
+        xics_host = irq_alloc_host(NULL, IRQ_HOST_MAP_TREE, 0, ops,
                                    XICS_IRQ_SPURIOUS);
         BUG_ON(xics_host == NULL);
         irq_set_default_host(xics_host);