>> /*
>> * Swizzle the device pin each time we cross a bridge. If a platform does
>> * not provide a swizzle function, we perform the standard PCI swizzling.
>> @@ -478,8 +464,6 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw,
>> sys->swizzle = hw->swizzle;
>> sys->map_irq = hw->map_irq;
>> sys->align_resource = hw->align_resource;
>> - sys->add_bus = hw->add_bus;
>> - sys->remove_bus = hw->remove_bus;
>> INIT_LIST_HEAD(&sys->resources);
>>
>> if (hw->private_data)
>
> What do the core changes below have to do with the ARM changes above?
> They should be a separate patch unless they can't be separated.
Hm, it's not the thing have to do, because the changes below is only used by arm arch, so I put it here
together. It's ok to split the core changes out to another one.
>
>> diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
>> index f11108c..56e54ad 100644
>> --- a/drivers/pci/msi.c
>> +++ b/drivers/pci/msi.c
>> @@ -32,12 +32,10 @@ int pci_msi_ignore_mask;
>>
>> int __weak arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
>> {
>> - struct msi_chip *chip = dev->bus->msi;
>> + struct msi_chip *chip;
>> int err;
>>
>> - if (!chip)
>> - chip = pci_msi_chip(dev->bus);
>> -
>> + chip = pci_msi_chip(dev->bus);
>> if (!chip || !chip->setup_irq)
>> return -EINVAL;
>>
>> @@ -51,10 +49,7 @@ int __weak arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc)
>> void __weak arch_teardown_msi_irq(unsigned int irq)
>> {
>> struct msi_desc *entry = irq_get_msi_desc(irq);
>> - struct msi_chip *chip = entry->dev->bus->msi;
>> -
>> - if (!chip)
>> - chip = pci_msi_chip(entry->dev->bus);
>> + struct msi_chip *chip = pci_msi_chip(entry->dev->bus);
>>
>> if (!chip || !chip->teardown_irq)
>> return;
>> --
>> 1.7.1
>>
>> --
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>
> .
>
--
Thanks!
Yijing
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