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

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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>
This commit is contained in:
David S. Miller 2007-02-28 18:01:38 -08:00
parent 1327e9b62f
commit deb66c4521
2 changed files with 4 additions and 34 deletions
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36
arch/sparc64/kernel/isa.c
View File

@ -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;
struct of_device *op = of_find_device_by_node(isa_dev->prom_node);
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;
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);

2
include/asm-sparc64/isa.h
View File

@ -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;