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Subject[PATCH 15/21] PCI: add debug print out for add_size
Date
for some corner cases later.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
drivers/pci/setup-bus.c | 24 ++++++++++++++++++------
1 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index c845d18..ae0b1f2 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -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;
}

--
1.7.7


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