[PATCH v4 04/19] PCI/MSI: Add hooks to populate the msi_domain field
Marc Zyngier
marc.zyngier at arm.com
Wed Jul 22 07:42:59 PDT 2015
Hi Bjorn,
On 21/07/15 22:26, Bjorn Helgaas wrote:
> On Wed, Jul 15, 2015 at 01:16:38PM +0100, Marc Zyngier wrote:
>> In order to be able to populate the device msi_domain field,
>> add the necesary hooks to propagate the host bridge msi_domain
>> across secondary busses to devices.
>>
>> So far, nobody populates the initial msi_domain.
>>
>> Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
>> ---
>> drivers/pci/probe.c | 30 ++++++++++++++++++++++++++++++
>> include/linux/pci.h | 1 +
>> 2 files changed, 31 insertions(+)
>>
>> diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
>> index cefd636..376f6fa 100644
>> --- a/drivers/pci/probe.c
>> +++ b/drivers/pci/probe.c
>> @@ -661,6 +661,20 @@ static void pci_set_bus_speed(struct pci_bus *bus)
>> }
>> }
>>
>> +void __weak pcibios_set_host_bridge_msi_domain(struct pci_bus *bus)
>> +{
>> +}
>
> I don't think there's anything in this series that requires this to be a
> weak function, is there? This is the only definition I see.
It looks like all the pcibios_* functions so far have a weak attribute,
and I've added it as a matter of consistency.
I don't mind dropping it though.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
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