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[v8,1/3] PCI: Ignore requested alignment for IOV BARs

Message ID 1484898113-24939-2-git-send-email-xyjxie@linux.vnet.ibm.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Yongji Xie Jan. 20, 2017, 7:41 a.m. UTC 
We would call pci_reassigndev_resource_alignment() before
pci_init_capabilities(). So the requested alignment would
never work for IOV BARs.

Furthermore, it's meaningless to request additional alignment
for IOV BARs, the IOV BAR alignment is only determined by the
VF BAR size.

Signed-off-by: Yongji Xie <xyjxie@linux.vnet.ibm.com>
Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
---
 drivers/pci/pci.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index a881c0d..220c31e 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -5084,7 +5084,7 @@  void pci_reassigndev_resource_alignment(struct pci_dev *dev)
 	command &= ~PCI_COMMAND_MEMORY;
 	pci_write_config_word(dev, PCI_COMMAND, command);
 
-	for (i = 0; i < PCI_BRIDGE_RESOURCES; i++) {
+	for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
 		r = &dev->resource[i];
 		if (!(r->flags & IORESOURCE_MEM))
 			continue;