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PCI: add debug print out for add_size 

For use in debugging resource reallocation.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Yinghai Lu 2012-01-21 02:08:31 -08:00 committed by Jesse Barnes
parent bffc56d411
commit b592443d90
1 changed files with 18 additions and 6 deletions
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24
drivers/pci/setup-bus.c
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@ -118,10 +118,13 @@ static resource_size_t get_res_add_size(struct list_head *head,
list_for_each_entry(dev_res, head, list) {
if (dev_res->res == res) {
int idx = res - &dev_res->dev->resource[0];
dev_printk(KERN_DEBUG, &dev_res->dev->dev,
"%pR get_res_add_size add_size %llx\n",
dev_res->res,
"res[%d]=%pR get_res_add_size add_size %llx\n",
idx, dev_res->res,
(unsigned long long)dev_res->add_size);
return dev_res->add_size;
}
}
@ -260,8 +263,9 @@ static void reassign_resources_sorted(struct list_head *realloc_head,
if (pci_reassign_resource(add_res->dev, idx,
add_size, align))
dev_printk(KERN_DEBUG, &add_res->dev->dev,
"failed to add optional resources res=%pR\n",
res);
"failed to add %llx res[%d]=%pR\n",
(unsigned long long)add_size,
idx, res);
}
out:
list_del(&add_res->list);
@ -760,8 +764,12 @@ static void pbus_size_io(struct pci_bus *bus, resource_size_t min_size,
b_res->start = 4096;
b_res->end = b_res->start + size0 - 1;
b_res->flags |= IORESOURCE_STARTALIGN;
if (size1 > size0 && realloc_head)
if (size1 > size0 && realloc_head) {
add_to_list(realloc_head, bus->self, b_res, size1-size0, 4096);
dev_printk(KERN_DEBUG, &bus->self->dev, "bridge window "
"%pR to [bus %02x-%02x] add_size %lx\n", b_res,
bus->secondary, bus->subordinate, size1-size0);
}
}
/**
@ -873,8 +881,12 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask,
b_res->start = min_align;
b_res->end = size0 + min_align - 1;
b_res->flags |= IORESOURCE_STARTALIGN | mem64_mask;
if (size1 > size0 && realloc_head)
if (size1 > size0 && realloc_head) {
add_to_list(realloc_head, bus->self, b_res, size1-size0, min_align);
dev_printk(KERN_DEBUG, &bus->self->dev, "bridge window "
"%pR to [bus %02x-%02x] add_size %llx\n", b_res,
bus->secondary, bus->subordinate, (unsigned long long)size1-size0);
}
return 1;
}