Revert "[POWERPC] Disable PCI IO/Mem on a device when resources can't be allocated"
This reverts commit 553aa7659bc0e188348f64e978343ed984eb6e56 at Ben H's
request, because it confused IORESOURCE_* flags with command register
bits.
Requested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 571854f..d394d41 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1035,7 +1035,7 @@
}
}
-static inline int __devinit alloc_resource(struct pci_dev *dev, int idx)
+static inline void __devinit alloc_resource(struct pci_dev *dev, int idx)
{
struct resource *pr, *r = &dev->resource[idx];
@@ -1059,10 +1059,7 @@
r->flags |= IORESOURCE_UNSET;
r->end -= r->start;
r->start = 0;
-
- return -EBUSY;
}
- return 0;
}
static void __init pcibios_allocate_resources(int pass)
@@ -1084,12 +1081,8 @@
disabled = !(command & PCI_COMMAND_IO);
else
disabled = !(command & PCI_COMMAND_MEMORY);
- if (pass == disabled && alloc_resource(dev, idx)) {
- command &= ~(r->flags & (IORESOURCE_IO |
- IORESOURCE_MEM));
- pci_write_config_word(dev,
- PCI_COMMAND, command);
- }
+ if (pass == disabled)
+ alloc_resource(dev, idx);
}
if (pass)
continue;