diff options
Diffstat (limited to 'drivers/pci/vpd.c')
| -rw-r--r-- | drivers/pci/vpd.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/pci/vpd.c b/drivers/pci/vpd.c index 8617565ba561..4963c2e2bd4c 100644 --- a/drivers/pci/vpd.c +++ b/drivers/pci/vpd.c @@ -146,7 +146,7 @@ static int pci_vpd_wait(struct pci_dev *dev) if (!vpd->busy) return 0; - while (time_before(jiffies, timeout)) { + do { ret = pci_user_read_config_word(dev, vpd->cap + PCI_VPD_ADDR, &status); if (ret < 0) @@ -160,10 +160,13 @@ static int pci_vpd_wait(struct pci_dev *dev) if (fatal_signal_pending(current)) return -EINTR; + if (time_after(jiffies, timeout)) + break; + usleep_range(10, max_sleep); if (max_sleep < 1024) max_sleep *= 2; - } + } while (true); pci_warn(dev, "VPD access failed. This is likely a firmware bug on this device. Contact the card vendor for a firmware update\n"); return -ETIMEDOUT; |