diff options
-rw-r--r-- | drivers/pci/pci.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 053670e09e2b..9c89447e7b21 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -959,6 +959,7 @@ void pci_restore_state(struct pci_dev *dev) { int i; u32 val; + int tries; if (!dev->state_saved) return; @@ -973,12 +974,16 @@ void pci_restore_state(struct pci_dev *dev) */ for (i = 15; i >= 0; i--) { pci_read_config_dword(dev, i * 4, &val); - if (val != dev->saved_config_space[i]) { + tries = 10; + while (tries && val != dev->saved_config_space[i]) { dev_dbg(&dev->dev, "restoring config " "space at offset %#x (was %#x, writing %#x)\n", i, val, (int)dev->saved_config_space[i]); pci_write_config_dword(dev,i * 4, dev->saved_config_space[i]); + pci_read_config_dword(dev, i * 4, &val); + mdelay(10); + tries--; } } pci_restore_pcix_state(dev); |