[SPARC64] isa: Convert to use pci_device_to_OF_node().

Also, do not try to compute resources by hand, instead use
the pre-computed ones in the of_device.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c
index 791eeb7..6a6882e 100644 (file)
--- a/arch/sparc64/kernel/isa.c
+++ b/arch/sparc64/kernel/isa.c
@@ -24,27 +24,9 @@ static void __init report_dev(struct sparc_isa_device *isa_dev, int child)
 
 static void __init isa_dev_get_resource(struct sparc_isa_device *isa_dev)
 {
-       const struct linux_prom_registers *pregs;
-       unsigned long base, len;
-       int prop_len;
-
-       pregs = of_get_property(isa_dev->prom_node, "reg", &prop_len);
-       if (!pregs)
-               return;
-
-       /* Only the first one is interesting. */
-       len = pregs[0].reg_size;
-       base = (((unsigned long)pregs[0].which_io << 32) |
-               (unsigned long)pregs[0].phys_addr);
-       base += isa_dev->bus->parent->io_space.start;
-
-       isa_dev->resource.start = base;
-       isa_dev->resource.end   = (base + len - 1UL);
-       isa_dev->resource.flags = IORESOURCE_IO;
-       isa_dev->resource.name  = isa_dev->prom_node->name;
+       struct of_device *op = of_find_device_by_node(isa_dev->prom_node);
 
-       request_resource(&isa_dev->bus->parent->io_space,
-                        &isa_dev->resource);
+       memcpy(&isa_dev->resource, &op->resource[0], sizeof(struct resource));
 }
 
 static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev)
@@ -158,19 +140,10 @@ void __init isa_init(void)
 
        pdev = NULL;
        while ((pdev = pci_get_device(vendor, device, pdev)) != NULL) {
-               struct pcidev_cookie *pdev_cookie;
-               struct pci_pbm_info *pbm;
                struct sparc_isa_bridge *isa_br;
                struct device_node *dp;
 
-               pdev_cookie = pdev->sysdata;
-               if (!pdev_cookie) {
-                       printk("ISA: Warning, ISA bridge ignored due to "
-                              "lack of OBP data.\n");
-                       continue;
-               }
-               pbm = pdev_cookie->pbm;
-               dp = pdev_cookie->prom_node;
+               dp = pci_device_to_OF_node(pdev);
 
                isa_br = kzalloc(sizeof(*isa_br), GFP_KERNEL);
                if (!isa_br) {
@@ -195,10 +168,9 @@ void __init isa_init(void)
                isa_br->next = isa_chain;
                isa_chain = isa_br;
 
-               isa_br->parent = pbm;
                isa_br->self = pdev;
                isa_br->index = index++;
-               isa_br->prom_node = pdev_cookie->prom_node;
+               isa_br->prom_node = dp;
 
                printk("isa%d:", isa_br->index);
 

diff --git a/include/asm-sparc64/isa.h b/include/asm-sparc64/isa.h
index d9728b9..ecd9290 100644 (file)
--- a/include/asm-sparc64/isa.h
+++ b/include/asm-sparc64/isa.h
@@ -7,7 +7,6 @@
 #ifndef __SPARC64_ISA_H
 #define __SPARC64_ISA_H
 
-#include <asm/pbm.h>
 #include <asm/oplib.h>
 #include <asm/prom.h>
 #include <asm/of_device.h>
@@ -29,7 +28,6 @@ struct sparc_isa_bridge {
        struct of_device        ofdev;
        struct sparc_isa_bridge *next;
        struct sparc_isa_device *devices;
-       struct pci_pbm_info     *parent;
        struct pci_dev          *self;
        int                     index;
        struct device_node      *prom_node;