PCI: Add comments for pbus_size_mem() parameters
This patch fills in the missing description for two parameters of
pbus_size_mem().
Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 6dbe562..939ca1b 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -838,6 +838,8 @@
* pbus_size_mem() - size the memory window of a given bus
*
* @bus : the bus
+ * @mask: mask the resource flag, then compare it with type
+ * @type: the type of free resource from bridge
* @min_size : the minimum memory window that must to be allocated
* @add_size : additional optional memory window
* @realloc_head : track the additional memory window on this list