Re: [Xen-devel] [PATCH v3 10/27] PCI/MSI: Remove useless bus->msi assignment

[Yijing Wang <wangyijing@xxxxxxxxxx>]

On 2014/10/23 13:41, Bjorn Helgaas wrote:
> On Wed, Oct 15, 2014 at 11:06:58AM +0800, Yijing Wang wrote:
>> Now msi chip is saved in pci_sys_data in arm,
>> we could clean the bus->msi assignment in
>> pci core.
>>
>> Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
>> CC: Thierry Reding <thierry.reding@xxxxxxxxx>
>> CC: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>
>> ---
>>  drivers/pci/probe.c |    1 -
>>  1 files changed, 0 insertions(+), 1 deletions(-)
>>
>> diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
>> index efa48dc..98bf4c3 100644
>> --- a/drivers/pci/probe.c
>> +++ b/drivers/pci/probe.c
>> @@ -682,7 +682,6 @@ static struct pci_bus *pci_alloc_child_bus(struct 
>> pci_bus *parent,
>>  
>>      child->parent = parent;
>>      child->ops = parent->ops;
>> -    child->msi = parent->msi;
> 
> This needs an explanation of why ARM was the only arch to depend on this.

OK, will add explanation in next version.

> 
>>      child->sysdata = parent->sysdata;
>>      child->bus_flags = parent->bus_flags;
>>  
>> -- 
>> 1.7.1
>>
>> --
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> 
> .
> 


-- 
Thanks!
Yijing


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