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Groups > linux.kernel > #1482661
| From | Sinan Kaya <okaya@codeaurora.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 1/2] PCI: save and restore device state during bus reset |
| Date | 2016-09-13 19:30 +0200 |
| Message-ID | <sgZGV-4VC-5@gated-at.bofh.it> (permalink) |
| References | <scJhn-8ga-3@gated-at.bofh.it> <sgZ4d-4rO-17@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hi Bjorn,
On 9/13/2016 12:42 PM, Bjorn Helgaas wrote:
>
> This comment is no longer correct (you don't leave the devices in
> power-on state).
Sorry about that, I can fix the comment.
>
>> + */
>> +void pci_reset_bridge_secondary_bus(struct pci_dev *dev)
>> +{
>> + pci_bus_save_and_disable(dev->bus);
>
> "dev" is a bridge, and dev->bus is the bus on the *primary* side of
> the bridge, so I think this saves and disables the bridge itself.
> Don't you want dev->subordinate here instead?
Yes, I need the subordinate.
>
>> + pcibios_reset_secondary_bus(dev);
>> + pci_bus_restore(dev->bus);
>> +}
>> +EXPORT_SYMBOL_GPL(pci_reset_bridge_secondary_bus);
>> +
--
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
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Re: [PATCH 1/2] PCI: save and restore device state during bus reset Bjorn Helgaas <helgaas@kernel.org> - 2016-09-13 18:50 +0200 Re: [PATCH 1/2] PCI: save and restore device state during bus reset Sinan Kaya <okaya@codeaurora.org> - 2016-09-13 19:30 +0200
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