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authorDavid S. Miller <davem@sunset.davemloft.net>2007-02-28 18:01:38 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-26 01:55:05 -0700
commitdeb66c4521e119442aa266553e8cbfc86eb71232 (patch)
treec98485097187792065b9f2968d9b6fc0e6ca3fae /arch/sparc64/kernel/isa.c
parent1327e9b62fc88e64ffbbd42d61fccd34e521bb86 (diff)
[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>
Diffstat (limited to 'arch/sparc64/kernel/isa.c')
-rw-r--r--arch/sparc64/kernel/isa.c36
1 files changed, 4 insertions, 32 deletions
diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c
index 791eeb7e387..6a6882e57ff 100644
--- 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);