Re: [PATCH 1/4] PCI: X-Gene: Add the APM X-Gene v1 PCIe MSI/MSIX termination driver

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On Tue, Jan 6, 2015 at 11:33 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> On Tuesday 06 January 2015 08:15:41 Duc Dang wrote:
>> X-Gene v1 SOC supports total 2688 MSI/MSIX vectors coalesced into
>> 16 HW IRQ lines.
>>
>> Signed-off-by: Tanmay Inamdar <tinamdar@xxxxxxx>
>> Signed-off-by: Duc Dang <dhdang@xxxxxxx>
>>
>
> I might be a little behind the latest development, but why is this
> not a struct msi_controller?

X-Gene V1 have a separate MSI block to handle MSI/MSIX and is shared
among 5 PCIe ports.
So in this driver for this MSI block, we implement X-Gene v1 sepcific
arch_teardown_msi_irqs,
arch_setup_msi_irqs and not using msi_controller struct.

Please let me know if this approach needs to be changed to follow
other implementations of MSI
drivers in latest kernel.
>
>         Arnd

Regards,
Duc Dang.
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