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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2016-01-22 14:04:18 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2016-01-26 12:46:28 +0100 |
| commit | 8ead7efb6379354d0d31efb39342f4399c87cb67 (patch) | |
| tree | d987d3c657bb8299926f55e253768dd6c301b439 /arch/s390 | |
| parent | c0cabaddeeeab13db8ef4e275ab5c7c0e8746324 (diff) | |
| download | linux-stable-8ead7efb6379354d0d31efb39342f4399c87cb67.tar.gz linux-stable-8ead7efb6379354d0d31efb39342f4399c87cb67.tar.bz2 linux-stable-8ead7efb6379354d0d31efb39342f4399c87cb67.zip | |
s390/pci: set error state for unusable functions
We receive special notifications from firmware when an error was detected
and a pci function became unusable. Set the error_state accordingly to give
device drivers a hint that they don't need to try error recovery.
Suggested-by: Alexander Schmidt <alexschm@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/pci/pci_event.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/pci/pci_event.c b/arch/s390/pci/pci_event.c index 369a3e05d468..b0e04751c5d5 100644 --- a/arch/s390/pci/pci_event.c +++ b/arch/s390/pci/pci_event.c @@ -53,6 +53,11 @@ static void __zpci_event_error(struct zpci_ccdf_err *ccdf) pr_err("%s: Event 0x%x reports an error for PCI function 0x%x\n", pdev ? pci_name(pdev) : "n/a", ccdf->pec, ccdf->fid); + + if (!pdev) + return; + + pdev->error_state = pci_channel_io_perm_failure; } void zpci_event_error(void *data) |