Subject: [PATCH 2/2 v5] irqchip/Layerscape: Add SCFG MSI controller support

From: [email-masked] (Alexander Stein)
Date: Wed, 23 Mar 2016 10:18:11 +0100

On Monday 07 March 2016 11:36:22, Minghuan Lian wrote:
> Some kind of NXP Layerscape SoC provides a MSI
> implementation which uses two SCFG registers MSIIR and
> MSIR to support 32 MSI interrupts for each PCIe controller.
> The patch is to support it.
> 
> Signed-off-by: Minghuan Lian <[email-masked]>

Tested-by: Alexander Stein <[email-masked]>

Using an intel e1000e card which uses 3 MSIs. But the IRQ numbers are a bit strange though:
> grep eth3 /proc/interrupts
> 
>  63:         49          0       MSI 134742016 Edge      eth3-rx-0
>  64:          3          0       MSI 134742017 Edge      eth3-tx-0
>  65:          4          0       MSI 134742018 Edge      eth3

Best regards,
Alexander