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| author | Russell Currey <ruscur@russell.cc> | 2017-08-10 16:58:40 +1000 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2017-08-11 16:37:22 +1000 |
| commit | a62298210479a975cc0a51f68c66a27f66ed59c2 (patch) | |
| tree | ec6e534be88024d7eb5534983d0f07fcc1aafc79 | |
| parent | 891665d2c1e93fcedc0191cb0d4315a7609f427b (diff) | |
| download | skiboot-a62298210479a975cc0a51f68c66a27f66ed59c2.zip skiboot-a62298210479a975cc0a51f68c66a27f66ed59c2.tar.gz skiboot-a62298210479a975cc0a51f68c66a27f66ed59c2.tar.bz2 | |
phb4: Skip attempting to fix PHBs broken on boot
If a PHB is marked broken it didn't work on boot, and if it didn't work
on boot then there's no point trying to recover it later
Signed-off-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
| -rw-r--r-- | hw/phb4.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -2608,6 +2608,10 @@ static int64_t phb4_creset(struct pci_slot *slot) struct phb4 *p = phb_to_phb4(slot->phb); uint64_t pbcq_status, reg; + /* Don't even try fixing a broken PHB */ + if (p->state == PHB4_STATE_BROKEN) + return OPAL_HARDWARE; + switch (slot->state) { case PHB4_SLOT_NORMAL: case PHB4_SLOT_CRESET_START: |