Commit 0c0c2776 authored by Sebastian Ott's avatar Sebastian Ott Committed by Martin Schwidefsky

s390/pci: set error state for unavailable functions

If we receive a notification that a pci function became unavailable we clean
up by removing the pci device. This can confuse the driver since the function
is already unaccessible. Improve this situation by setting an appropriate
error_state.
Reviewed-by: default avatarGerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: default avatarSebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 70426892
...@@ -102,8 +102,12 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf) ...@@ -102,8 +102,12 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf)
break; break;
case 0x0304: /* Configured -> Standby */ case 0x0304: /* Configured -> Standby */
if (pdev) if (pdev) {
/* Give the driver a hint that the function is
* already unusable. */
pdev->error_state = pci_channel_io_perm_failure;
pci_stop_and_remove_bus_device(pdev); pci_stop_and_remove_bus_device(pdev);
}
zpci_disable_device(zdev); zpci_disable_device(zdev);
zdev->state = ZPCI_FN_STATE_STANDBY; zdev->state = ZPCI_FN_STATE_STANDBY;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment