Commit b592443d authored by Yinghai Lu's avatar Yinghai Lu Committed by Jesse Barnes
Browse files

PCI: add debug print out for add_size 



For use in debugging resource reallocation.

Signed-off-by: default avatarYinghai Lu <yinghai@kernel.org>
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
parent bffc56d4

drivers/pci/setup-bus.c

+18 −6
Original line number Diff line number Diff line
@@ -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;

}