[Skiboot] [PATCH] core/pci: Fix the power-off timeout in pci_slot_power_off()

Gavin Shan gwshan at linux.vnet.ibm.com
Tue Sep 27 09:39:05 AEST 2016

On Thu, Sep 22, 2016 at 03:37:45PM +1000, Stewart Smith wrote:
>Gavin Shan <gwshan at linux.vnet.ibm.com> writes:
>> The timeout should be 1000ms instead of 1000 ticks while powering
>> off PCI slot in pci_slot_power_off(). Otherwise, it's likely to
>> hit timeout powering off the PCI slot as below skiboot logs reveal:
>> [47912590456,5] SkiBoot skiboot-5.3.6 starting...
>>     :
>> [5399532365,7] PHB#0005:02:11.0 Bus 0f..ff  scanning...
>> [5399540804,7] PHB#0005:02:11.0 No card in slot
>> [5399576870,5] PHB#0005:02:11.0 Timeout powering off slot
>> [5401431782,3] FIRENZE-PCI: Wrong state 00000000 on slot 8000000002880005
>> This replaces time_wait() with time_wait_ms() to resolve the issue.
>> Signed-off-by: Gavin Shan <gwshan at linux.vnet.ibm.com>
>Looks like should go to stable too.
>added Fixes: tag and merged to master as of:
>and cherry-picked into 5.3.x as of: c96ee45b0ede6ca24723bcbb49f7868e794246b1

Thanks a lot, Stewart.

>Stewart Smith
>OPAL Architect, IBM.

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