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PCI: Add comments for pbus_size_mem() parameters

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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>
This commit is contained in:
Wei Yang 2013-08-02 17:31:04 +08:00 committed by Bjorn Helgaas
parent f2a230bd4e
commit 496f70cf65
1 changed files with 2 additions and 0 deletions
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2
drivers/pci/setup-bus.c
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@ -838,6 +838,8 @@ static inline resource_size_t calculate_mem_align(resource_size_t *aligns,
* 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