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path: root/drivers/parisc/lba_pci.c
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Diffstat (limited to 'drivers/parisc/lba_pci.c')
-rw-r--r--drivers/parisc/lba_pci.c51
1 files changed, 7 insertions, 44 deletions
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index 5b86ee5c1eeb..5eace9e66e14 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -557,44 +557,6 @@ lba_bios_init(void)
#ifdef CONFIG_64BIT
/*
-** Determine if a device is already configured.
-** If so, reserve it resources.
-**
-** Read PCI cfg command register and see if I/O or MMIO is enabled.
-** PAT has to enable the devices it's using.
-**
-** Note: resources are fixed up before we try to claim them.
-*/
-static void
-lba_claim_dev_resources(struct pci_dev *dev)
-{
- u16 cmd;
- int i, srch_flags;
-
- (void) pci_read_config_word(dev, PCI_COMMAND, &cmd);
-
- srch_flags = (cmd & PCI_COMMAND_IO) ? IORESOURCE_IO : 0;
- if (cmd & PCI_COMMAND_MEMORY)
- srch_flags |= IORESOURCE_MEM;
-
- if (!srch_flags)
- return;
-
- for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
- if (dev->resource[i].flags & srch_flags) {
- pci_claim_resource(dev, i);
- DBG(" claimed %s %d [%lx,%lx]/%lx\n",
- pci_name(dev), i,
- dev->resource[i].start,
- dev->resource[i].end,
- dev->resource[i].flags
- );
- }
- }
-}
-
-
-/*
* truncate_pat_collision: Deal with overlaps or outright collisions
* between PAT PDC reported ranges.
*
@@ -653,7 +615,6 @@ truncate_pat_collision(struct resource *root, struct resource *new)
}
#else
-#define lba_claim_dev_resources(dev) do { } while (0)
#define truncate_pat_collision(r,n) (0)
#endif
@@ -684,8 +645,12 @@ lba_fixup_bus(struct pci_bus *bus)
** pci_alloc_primary_bus() mangles this.
*/
if (bus->self) {
+ int i;
/* PCI-PCI Bridge */
pci_read_bridge_bases(bus);
+ for (i = PCI_BRIDGE_RESOURCES; i < PCI_NUM_RESOURCES; i++) {
+ pci_claim_resource(bus->self, i);
+ }
} else {
/* Host-PCI Bridge */
int err, i;
@@ -803,6 +768,9 @@ lba_fixup_bus(struct pci_bus *bus)
DBG("lba_fixup_bus() WTF? 0x%lx [%lx/%lx] XXX",
res->flags, res->start, res->end);
}
+ if ((i != PCI_ROM_RESOURCE) ||
+ (res->flags & IORESOURCE_ROM_ENABLE))
+ pci_claim_resource(dev, i);
}
#ifdef FBB_SUPPORT
@@ -814,11 +782,6 @@ lba_fixup_bus(struct pci_bus *bus)
bus->bridge_ctl &= ~(status & PCI_STATUS_FAST_BACK);
#endif
- if (is_pdc_pat()) {
- /* Claim resources for PDC's devices */
- lba_claim_dev_resources(dev);
- }
-
/*
** P2PB's have no IRQs. ignore them.
*/

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