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authorSebastian Ott <sebott@linux.vnet.ibm.com>2016-01-22 14:04:18 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2016-01-26 12:46:28 +0100
commit8ead7efb6379354d0d31efb39342f4399c87cb67 (patch)
treed987d3c657bb8299926f55e253768dd6c301b439 /arch/s390/pci
parentc0cabaddeeeab13db8ef4e275ab5c7c0e8746324 (diff)
downloadlinux-8ead7efb6379354d0d31efb39342f4399c87cb67.tar.bz2
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/pci')
-rw-r--r--arch/s390/pci/pci_event.c5
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)