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SubjectRe: [PATCH 2/9] pci: add pci_bridge_release_unused_res and pci_bus_release_unused_bridge_res
Jesse Barnes wrote:
> On Fri, 27 Nov 2009 23:35:14 -0800
> Yinghai Lu <yinghai@kernel.org> wrote:
>
>> so later we could use it to release small resource before pci assign
>> unassign res
>>
>> Signed-off-by: Yinghai Lu <yinghai@kernel.org>
>>
>> ---
>> drivers/pci/setup-bus.c | 114
>> +++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 113
>> insertions(+), 1 deletion(-)
>>
>> 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
>> @@ -609,6 +609,118 @@ void __ref pci_bus_assign_resources(cons
>> }
>> EXPORT_SYMBOL(pci_bus_assign_resources);
>>
>> +static void release_children_resource(struct resource *r)
>
> release_child_resources?

ok

>
>> +{
>> + struct resource *p;
>> + resource_size_t size;
>> +
>> + p = r->child;
>> + while (p) {
>> + release_children_resource(p);
>> + release_resource(p);
>> + printk(KERN_DEBUG "PCI: release child resource
>> %pRt\n", p);
>> + /* need to restore size, and keep flags */
>> + size = resource_size(p);
>> + p->start = 0;
>> + p->end = size - 1;
>> + p = r->child;
>> + }
>> +}
>
> Also seems like it should go into resource.c instead?

only one user, may move that later...

YH


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