Re: [PATCH v1 15/21] Powerpc/MSI: Use MSI chip framework to configure MSI/MSI-X irq

[Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>]

On 9/5/2014 3:33 PM, wangyijing wrote:

>>> Use MSI chip framework instead of arch MSI functions to configure
>>> MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.

>>> Signed-off-by: Yijing Wang <wangyijing@huawei.com>
>>> ---
>>>   arch/powerpc/kernel/msi.c |   14 ++++++++++++--
>>>   1 files changed, 12 insertions(+), 2 deletions(-)

>>> diff --git a/arch/powerpc/kernel/msi.c b/arch/powerpc/kernel/msi.c
>>> index 71bd161..01781a4 100644
>>> --- a/arch/powerpc/kernel/msi.c
>>> +++ b/arch/powerpc/kernel/msi.c
>> [...]
>>> @@ -27,7 +27,17 @@ int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
>>>       return ppc_md.setup_msi_irqs(dev, nvec, type);
>>>   }
>>>
>>> -void arch_teardown_msi_irqs(struct pci_dev *dev)
>>> +static void ppc_teardown_msi_irqs(struct pci_dev *dev)

>>    Shouldn't this function take IRQ # instead?

> This function need to teardown all msi irqs of the pci dev, we should pass the pci dev as argument .

    Ah, I've mixed up the teardown_irqs() method with teardown_irq()! Too 
similar. :-)

> Thanks!
> Yijing.

WBR, Sergei