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authorCasey Leedom <leedom@chelsio.com>2013-08-06 15:48:39 +0530
committerBjorn Helgaas <bhelgaas@google.com>2013-08-12 13:58:14 -0600
commit4d708ab0c88512a3bea12f1ad68539fbe0d11d1a (patch)
treee7958c5879947350b7a66e7a3acae6bff0702545 /drivers/pci/quirks.c
parent8903b9eb19e0e2ca5ec0fc257cb0e5d9e94c75f4 (diff)
PCI: Use pci_wait_for_pending_transaction() instead of for loop
New routine has been added to avoid duplication of code to wait for pending PCI transactions to complete. This makes use of that function. Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Vipul Pandya <vipul@chelsio.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r--drivers/pci/quirks.c18
1 files changed, 2 insertions, 16 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 8f075a3cd80..296508ec91d 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3126,9 +3126,6 @@ static int reset_intel_generic_dev(struct pci_dev *dev, int probe)
static int reset_intel_82599_sfp_virtfn(struct pci_dev *dev, int probe)
{
- int i;
- u16 status;
-
/*
* http://www.intel.com/content/dam/doc/datasheet/82599-10-gbe-controller-datasheet.pdf
*
@@ -3140,20 +3137,9 @@ static int reset_intel_82599_sfp_virtfn(struct pci_dev *dev, int probe)
if (probe)
return 0;
- /* Wait for Transaction Pending bit clean */
- for (i = 0; i < 4; i++) {
- if (i)
- msleep((1 << (i - 1)) * 100);
-
- pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &status);
- if (!(status & PCI_EXP_DEVSTA_TRPND))
- goto clear;
- }
-
- dev_err(&dev->dev, "transaction is not cleared; "
- "proceeding with reset anyway\n");
+ if (!pci_wait_for_pending_transaction(dev))
+ dev_err(&dev->dev, "transaction is not cleared; proceeding with reset anyway\n");
-clear:
pcie_capability_set_word(dev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_BCR_FLR);
msleep(100);