Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=44ef339073f67d4abcc62ae52a5fbc069d7a4d29
Commit:     44ef339073f67d4abcc62ae52a5fbc069d7a4d29
Parent:     6207e81695c1a64ebed668f26106f3384ad2323a
Author:     Stephen Rothwell <[EMAIL PROTECTED]>
AuthorDate: Mon Dec 10 14:33:21 2007 +1100
Committer:  Paul Mackerras <[EMAIL PROTECTED]>
CommitDate: Tue Dec 11 13:42:37 2007 +1100

    [POWERPC] pci_controller->arch_data really is a struct device_node *
    
    Signed-off-by: Stephen Rothwell <[EMAIL PROTECTED]>
    Signed-off-by: Paul Mackerras <[EMAIL PROTECTED]>
---
 arch/powerpc/kernel/isa-bridge.c               |    2 +-
 arch/powerpc/kernel/pci-common.c               |    4 ++--
 arch/powerpc/kernel/pci_32.c                   |   10 +++++-----
 arch/powerpc/kernel/pci_64.c                   |    8 +++-----
 arch/powerpc/kernel/pci_dn.c                   |    2 +-
 arch/powerpc/kernel/prom_parse.c               |    2 +-
 arch/powerpc/kernel/rtas_pci.c                 |    2 +-
 arch/powerpc/platforms/82xx/pq2.c              |    2 +-
 arch/powerpc/platforms/85xx/mpc85xx_ds.c       |    2 +-
 arch/powerpc/platforms/86xx/mpc8610_hpcd.c     |    2 +-
 arch/powerpc/platforms/86xx/mpc86xx_hpcn.c     |    2 +-
 arch/powerpc/platforms/cell/io-workarounds.c   |    4 ++--
 arch/powerpc/platforms/celleb/io-workarounds.c |    4 ++--
 arch/powerpc/platforms/celleb/pci.c            |    2 +-
 arch/powerpc/platforms/maple/pci.c             |    2 +-
 arch/powerpc/platforms/powermac/pci.c          |    6 +++---
 arch/powerpc/platforms/pseries/iommu.c         |    2 +-
 include/asm-powerpc/pci-bridge.h               |    5 +++--
 18 files changed, 31 insertions(+), 32 deletions(-)

diff --git a/arch/powerpc/kernel/isa-bridge.c b/arch/powerpc/kernel/isa-bridge.c
index 965bfcc..ee172aa 100644
--- a/arch/powerpc/kernel/isa-bridge.c
+++ b/arch/powerpc/kernel/isa-bridge.c
@@ -145,7 +145,7 @@ void __init isa_bridge_find_early(struct pci_controller 
*hose)
        for_each_node_by_type(np, "isa") {
                /* Look for our hose being a parent */
                for (parent = of_get_parent(np); parent;) {
-                       if (parent == hose->arch_data) {
+                       if (parent == hose->dn) {
                                of_node_put(parent);
                                break;
                        }
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 5a9d4c7..2f3f30e 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -62,7 +62,7 @@ struct pci_controller *pcibios_alloc_controller(struct 
device_node *dev)
        phb->global_number = global_phb_number++;
        list_add_tail(&phb->list_node, &hose_list);
        spin_unlock(&hose_spinlock);
-       phb->arch_data = dev;
+       phb->dn = dev;
        phb->is_dynamic = mem_init_done;
 #ifdef CONFIG_PPC64
        if (dev) {
@@ -137,7 +137,7 @@ struct pci_controller* pci_find_hose_for_OF_device(struct 
device_node* node)
        while(node) {
                struct pci_controller *hose, *tmp;
                list_for_each_entry_safe(hose, tmp, &hose_list, list_node)
-                       if (hose->arch_data == node)
+                       if (hose->dn == node)
                                return hose;
                node = node->parent;
        }
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 0e2bee4..096c97e 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -662,8 +662,8 @@ pcibios_make_OF_bus_map(void)
 
        /* For each hose, we begin searching bridges */
        list_for_each_entry_safe(hose, tmp, &hose_list, list_node) {
-               struct device_node* node;       
-               node = (struct device_node *)hose->arch_data;
+               struct device_node* node = hose->dn;
+
                if (!node)
                        continue;
                make_one_node_map(node, hose->first_busno);
@@ -742,7 +742,7 @@ static struct device_node *scan_OF_for_pci_bus(struct 
pci_bus *bus)
                struct pci_controller *hose = pci_bus_to_host(bus);
                if (hose == NULL)
                        return NULL;
-               return of_node_get(hose->arch_data);
+               return of_node_get(hose->dn);
        }
 
        /* not a root bus, we need to get our parent */
@@ -812,9 +812,9 @@ pci_device_from_OF_node(struct device_node* node, u8* bus, 
u8* devfn)
                return -ENODEV;
        /* Make sure it's really a PCI device */
        hose = pci_find_hose_for_OF_device(node);
-       if (!hose || !hose->arch_data)
+       if (!hose || !hose->dn)
                return -ENODEV;
-       if (!scan_OF_pci_childs(((struct device_node*)hose->arch_data)->child,
+       if (!scan_OF_pci_childs(hose->dn->child,
                        find_OF_pci_device_filter, (void *)node))
                return -ENODEV;
        reg = of_get_property(node, "reg", NULL);
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 002cd4c..6b9a856 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -458,7 +458,7 @@ EXPORT_SYMBOL(of_scan_pci_bridge);
 void __devinit scan_phb(struct pci_controller *hose)
 {
        struct pci_bus *bus;
-       struct device_node *node = hose->arch_data;
+       struct device_node *node = hose->dn;
        int i, mode;
        struct resource *res;
 
@@ -705,8 +705,7 @@ int pcibios_unmap_io_space(struct pci_bus *bus)
        if (hose->io_base_alloc == 0)
                return 0;
 
-       DBG("IO unmapping for PHB %s\n",
-           ((struct device_node *)hose->arch_data)->full_name);
+       DBG("IO unmapping for PHB %s\n", hose->dn->full_name);
        DBG("  alloc=0x%p\n", hose->io_base_alloc);
 
        /* This is a PHB, we fully unmap the IO area */
@@ -765,8 +764,7 @@ int __devinit pcibios_map_io_space(struct pci_bus *bus)
        hose->io_base_virt = (void __iomem *)(area->addr +
                                              hose->io_base_phys - phys_page);
 
-       DBG("IO mapping for PHB %s\n",
-           ((struct device_node *)hose->arch_data)->full_name);
+       DBG("IO mapping for PHB %s\n", hose->dn->full_name);
        DBG("  phys=0x%016lx, virt=0x%p (alloc=0x%p)\n",
            hose->io_base_phys, hose->io_base_virt, hose->io_base_alloc);
        DBG("  size=0x%016lx (alloc=0x%016lx)\n",
diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c
index b483903..85d4d89 100644
--- a/arch/powerpc/kernel/pci_dn.c
+++ b/arch/powerpc/kernel/pci_dn.c
@@ -133,7 +133,7 @@ void *traverse_pci_devices(struct device_node *start, 
traverse_func pre,
  */
 void __devinit pci_devs_phb_init_dynamic(struct pci_controller *phb)
 {
-       struct device_node * dn = (struct device_node *) phb->arch_data;
+       struct device_node *dn = phb->dn;
        struct pci_dn *pdn;
 
        /* PHB nodes themselves must not match */
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index b5c96af..6bdfaf3 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -273,7 +273,7 @@ int of_irq_map_pci(struct pci_dev *pdev, struct of_irq 
*out_irq)
 #else
                        struct pci_controller *host;
                        host = pci_bus_to_host(pdev->bus);
-                       ppnode = host ? host->arch_data : NULL;
+                       ppnode = host ? host->dn : NULL;
 #endif
                        /* No node for host bridge ? give up */
                        if (ppnode == NULL)
diff --git a/arch/powerpc/kernel/rtas_pci.c b/arch/powerpc/kernel/rtas_pci.c
index 21f14e5..3650eb5 100644
--- a/arch/powerpc/kernel/rtas_pci.c
+++ b/arch/powerpc/kernel/rtas_pci.c
@@ -260,7 +260,7 @@ static int phb_set_bus_ranges(struct device_node *dev,
 
 int __devinit rtas_setup_phb(struct pci_controller *phb)
 {
-       struct device_node *dev = phb->arch_data;
+       struct device_node *dev = phb->dn;
 
        if (is_python(dev))
                python_countermeasures(dev);
diff --git a/arch/powerpc/platforms/82xx/pq2.c 
b/arch/powerpc/platforms/82xx/pq2.c
index a497cba..11d1db8 100644
--- a/arch/powerpc/platforms/82xx/pq2.c
+++ b/arch/powerpc/platforms/82xx/pq2.c
@@ -59,7 +59,7 @@ static void __init pq2_pci_add_bridge(struct device_node *np)
        if (!hose)
                return;
 
-       hose->arch_data = np;
+       hose->dn = np;
 
        setup_indirect_pci(hose, r.start + 0x100, r.start + 0x104, 0);
        pci_process_bridge_OF_ranges(hose, np, 1);
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c 
b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index 59c121a..bdb3d0b 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -123,7 +123,7 @@ static int mpc85xx_exclude_device(struct pci_controller 
*hose,
        struct device_node* node;
        struct resource rsrc;
 
-       node = (struct device_node *)hose->arch_data;
+       node = hose->dn;
        of_address_to_resource(node, 0, &rsrc);
 
        if ((rsrc.start & 0xfffff) == primary_phb_addr) {
diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c 
b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
index 6390895..c6d2f48 100644
--- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
+++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
@@ -124,7 +124,7 @@ static void __devinit quirk_uli5229(struct pci_dev *dev)
 static void __devinit final_uli5288(struct pci_dev *dev)
 {
        struct pci_controller *hose = pci_bus_to_host(dev->bus);
-       struct device_node *hosenode = hose ? hose->arch_data : NULL;
+       struct device_node *hosenode = hose ? hose->dn : NULL;
        struct of_irq oirq;
        int virq, pin = 2;
        u32 laddr[3];
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c 
b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index 32a531a..14f4e52 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -116,7 +116,7 @@ static int mpc86xx_exclude_device(struct pci_controller 
*hose,
        struct device_node* node;       
        struct resource rsrc;
 
-       node = (struct device_node *)hose->arch_data;
+       node = hose->dn;
        of_address_to_resource(node, 0, &rsrc);
 
        if ((rsrc.start & 0xfffff) == 0x8000) {
diff --git a/arch/powerpc/platforms/cell/io-workarounds.c 
b/arch/powerpc/platforms/cell/io-workarounds.c
index 9d7c2ef..b86076e 100644
--- a/arch/powerpc/platforms/cell/io-workarounds.c
+++ b/arch/powerpc/platforms/cell/io-workarounds.c
@@ -238,7 +238,7 @@ static void __init spider_pci_setup_chip(struct 
spider_pci_bus *bus)
 static void __init spider_pci_add_one(struct pci_controller *phb)
 {
        struct spider_pci_bus *bus = &spider_pci_busses[spider_pci_count];
-       struct device_node *np = phb->arch_data;
+       struct device_node *np = phb->dn;
        struct resource rsrc;
        void __iomem *regs;
 
@@ -317,7 +317,7 @@ static int __init spider_pci_workaround_init(void)
         * update this code to cope with dynamically added busses
         */
        list_for_each_entry(phb, &hose_list, list_node) {
-               struct device_node *np = phb->arch_data;
+               struct device_node *np = phb->dn;
                const char *model = of_get_property(np, "model", NULL);
 
                /* If no model property or name isn't exactly "pci", skip */
diff --git a/arch/powerpc/platforms/celleb/io-workarounds.c 
b/arch/powerpc/platforms/celleb/io-workarounds.c
index 32b9cec..b939c0e 100644
--- a/arch/powerpc/platforms/celleb/io-workarounds.c
+++ b/arch/powerpc/platforms/celleb/io-workarounds.c
@@ -222,7 +222,7 @@ void __init celleb_pci_add_one(struct pci_controller *phb,
                               void (*dummy_read)(struct pci_controller *))
 {
        struct celleb_pci_bus *bus = &celleb_pci_busses[celleb_pci_count];
-       struct device_node *np = phb->arch_data;
+       struct device_node *np = phb->dn;
 
        if (celleb_pci_count >= MAX_CELLEB_PCI_BUS) {
                printk(KERN_ERR "Too many pci bridges, workarounds"
@@ -262,7 +262,7 @@ int __init celleb_pci_workaround_init(void)
        }
 
        list_for_each_entry(phb, &hose_list, list_node) {
-               node = phb->arch_data;
+               node = phb->dn;
                match = of_match_node(celleb_pci_workaround_match, node);
 
                if (match) {
diff --git a/arch/powerpc/platforms/celleb/pci.c 
b/arch/powerpc/platforms/celleb/pci.c
index 13ec4a6..5d399e0 100644
--- a/arch/powerpc/platforms/celleb/pci.c
+++ b/arch/powerpc/platforms/celleb/pci.c
@@ -480,7 +480,7 @@ static struct of_device_id celleb_phb_match[] __initdata = {
 
 int __init celleb_setup_phb(struct pci_controller *phb)
 {
-       struct device_node *dev = phb->arch_data;
+       struct device_node *dev = phb->dn;
        const struct of_device_id *match;
        int (*setup_func)(struct device_node *, struct pci_controller *);
 
diff --git a/arch/powerpc/platforms/maple/pci.c 
b/arch/powerpc/platforms/maple/pci.c
index 771ed0c..3ffa0ac 100644
--- a/arch/powerpc/platforms/maple/pci.c
+++ b/arch/powerpc/platforms/maple/pci.c
@@ -558,7 +558,7 @@ void __init maple_pci_init(void)
         * safe assumptions hopefully.
         */
        if (u3_agp) {
-               struct device_node *np = u3_agp->arch_data;
+               struct device_node *np = u3_agp->dn;
                PCI_DN(np)->busno = 0xf0;
                for (np = np->child; np; np = np->sibling)
                        PCI_DN(np)->busno = 0xf0;
diff --git a/arch/powerpc/platforms/powermac/pci.c 
b/arch/powerpc/platforms/powermac/pci.c
index ec49099..778c249 100644
--- a/arch/powerpc/platforms/powermac/pci.c
+++ b/arch/powerpc/platforms/powermac/pci.c
@@ -319,7 +319,7 @@ static int u3_ht_skip_device(struct pci_controller *hose,
        if (bus->self)
                busdn = pci_device_to_OF_node(bus->self);
        else
-               busdn = hose->arch_data;
+               busdn = hose->dn;
        for (dn = busdn->child; dn; dn = dn->sibling)
                if (PCI_DN(dn) && PCI_DN(dn)->devfn == devfn)
                        break;
@@ -778,7 +778,7 @@ static void __init setup_u4_pcie(struct pci_controller* 
hose)
 
 static void __init setup_u3_ht(struct pci_controller* hose)
 {
-       struct device_node *np = (struct device_node *)hose->arch_data;
+       struct device_node *np = hose->dn;
        struct pci_controller *other = NULL;
        int i, cur;
 
@@ -1032,7 +1032,7 @@ void __init pmac_pci_init(void)
         * future though
         */
        if (u3_agp) {
-               struct device_node *np = u3_agp->arch_data;
+               struct device_node *np = u3_agp->dn;
                PCI_DN(np)->busno = 0xf0;
                for (np = np->child; np; np = np->sibling)
                        PCI_DN(np)->busno = 0xf0;
diff --git a/arch/powerpc/platforms/pseries/iommu.c 
b/arch/powerpc/platforms/pseries/iommu.c
index ebb9313..a65c763 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -251,7 +251,7 @@ static void iommu_table_setparms(struct pci_controller *phb,
        const unsigned long *basep;
        const u32 *sizep;
 
-       node = (struct device_node *)phb->arch_data;
+       node = phb->dn;
 
        basep = of_get_property(node, "linux,tce-base", NULL);
        sizep = of_get_property(node, "linux,tce-size", NULL);
diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h
index f67d262..f139f2a 100644
--- a/include/asm-powerpc/pci-bridge.h
+++ b/include/asm-powerpc/pci-bridge.h
@@ -11,6 +11,8 @@
 #include <linux/list.h>
 #include <linux/ioport.h>
 
+struct device_node;
+
 /*
  * Structure of a PCI controller (host bridge)
  */
@@ -20,7 +22,7 @@ struct pci_controller {
 #ifdef CONFIG_PPC64
        int node;
 #endif
-       void *arch_data;
+       struct device_node *dn;
        struct list_head list_node;
        struct device *parent;
 
@@ -132,7 +134,6 @@ extern void __init update_bridge_resource(struct pci_dev 
*dev,
  * by device_node->data.
  */
 struct iommu_table;
-struct device_node;
 
 struct pci_dn {
        int     busno;                  /* pci bus number */
-
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