Signed-off-by: Yinghai Lu <ying...@kernel.org>
---
drivers/pci/iov.c | 31 +++++++++++++++----------------
1 file changed, 15 insertions(+), 16 deletions(-)
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index ee599f2..baf6c80 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -93,17 +93,20 @@ static int virtfn_add(struct pci_dev *dev, int id, int
reset)
pci_setup_device(virtfn);
virtfn->dev.parent = dev->dev.parent;
- for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) {
- res = dev->resource + PCI_IOV_RESOURCES + i;
+ for_each_pci_resource(dev, res, i, PCI_IOV_RES) {
+ struct resource *virtfn_res;
+
if (!res->parent)
continue;
- virtfn->resource[i].name = pci_name(virtfn);
- virtfn->resource[i].flags = res->flags;
+
+ virtfn_res = pci_dev_resource_n(virtfn, i - PCI_IOV_RESOURCES);
+ virtfn_res->name = pci_name(virtfn);
+ virtfn_res->flags = res->flags;
size = resource_size(res);
do_div(size, iov->total_VFs);
- virtfn->resource[i].start = res->start + size * id;
- virtfn->resource[i].end = virtfn->resource[i].start + size - 1;
- rc = request_resource(res, &virtfn->resource[i]);
+ virtfn_res->start = res->start + size * id;
+ virtfn_res->end = virtfn_res->start + size - 1;
+ rc = request_resource(res, virtfn_res);
BUG_ON(rc);
}
@@ -305,9 +308,8 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
return -EIO;
nres = 0;
- for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) {
- bars |= (1 << (i + PCI_IOV_RESOURCES));
- res = dev->resource + PCI_IOV_RESOURCES + i;
+ for_each_pci_resource(dev, res, i, PCI_IOV_RES) {
+ bars |= 1 << i;
if (res->parent)
nres++;
}
@@ -465,10 +467,9 @@ found:
pci_write_config_dword(dev, pos + PCI_SRIOV_SYS_PGSIZE, pgsz);
nres = 0;
- for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) {
- res = dev->resource + PCI_IOV_RESOURCES + i;
+ for_each_pci_resource(dev, res, i, PCI_IOV_RES) {
i += __pci_read_base(dev, pci_bar_unknown, res,
- pos + PCI_SRIOV_BAR + i * 4);
+ pos + PCI_SRIOV_BAR + (i - PCI_IOV_RESOURCES) * 4);
if (!res->flags)
continue;
if (resource_size(res) & (PAGE_SIZE - 1)) {
@@ -511,10 +512,8 @@ found:
return 0;
failed:
- for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) {
- res = dev->resource + PCI_IOV_RESOURCES + i;
+ for_each_pci_resource(dev, res, i, PCI_IOV_RES)
res->flags = 0;
- }
return rc;
}
--
1.8.1.4
--
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