diff mbox

PCI: don't update bridge resource flags according to children

Message ID 1398820315-27425-1-git-send-email-yinghai@kernel.org (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Yinghai Lu April 30, 2014, 1:11 a.m. UTC 
After
	PCI: Try best to allocate pref mmio 64bit above 4g
We don't need to check if children support 64bit, and update
bridge resource flags anymore.
As the new code check size and assign according exact type.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>

---
 drivers/pci/setup-bus.c |    7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

--
To unsubscribe from this list: send the line "unsubscribe linux-pci" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
diff mbox

Patch

Index: linux-2.6/drivers/pci/setup-bus.c
===================================================================
--- linux-2.6.orig/drivers/pci/setup-bus.c
+++ linux-2.6/drivers/pci/setup-bus.c
@@ -926,7 +926,6 @@  static int pbus_size_mem(struct pci_bus
 	int order, max_order;
 	struct resource *b_res = find_free_bus_resource(bus,
 					 mask | IORESOURCE_PREFETCH, type);
-	unsigned int mem64_mask = 0;
 	resource_size_t children_add_size = 0;
 
 	if (!b_res)
@@ -936,9 +935,6 @@  static int pbus_size_mem(struct pci_bus
 	max_order = 0;
 	size = 0;
 
-	mem64_mask = b_res->flags & IORESOURCE_MEM_64;
-	b_res->flags &= ~IORESOURCE_MEM_64;
-
 	list_for_each_entry(dev, &bus->devices, bus_list) {
 		int i;
 
@@ -980,7 +976,6 @@  static int pbus_size_mem(struct pci_bus
 				aligns[order] += align;
 			if (order > max_order)
 				max_order = order;
-			mem64_mask &= r->flags & IORESOURCE_MEM_64;
 
 			if (realloc_head)
 				children_add_size += get_res_add_size(realloc_head, r);
@@ -1005,7 +1000,7 @@  static int pbus_size_mem(struct pci_bus
 	}
 	b_res->start = min_align;
 	b_res->end = size0 + min_align - 1;
-	b_res->flags |= IORESOURCE_STARTALIGN | mem64_mask;
+	b_res->flags |= IORESOURCE_STARTALIGN;
 	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 "