[PATCH 4/6] pci: altera: Add Altera PCIe MSI driver

Ley Foon Tan lftan at altera.com
Tue Jul 28 20:07:47 PDT 2015


On Wed, Jul 29, 2015 at 1:00 AM, Dinh Nguyen <dinh.linux at gmail.com> wrote:
> On Tue, Jul 28, 2015 at 5:45 AM, Ley Foon Tan <lftan at altera.com> wrote:
>> This patch adds Altera PCIe MSI driver. This soft IP supports configurable
>> number of vectors, which is a dts parameter.
>> @@ -154,4 +154,11 @@ config PCIE_ALTERA
>>           Say Y here if you want to enable PCIe controller support for Altera
>>           SoCFPGA family of SoCs.
>>
>> +config PCIE_ALTERA_MSI
>> +       bool "Altera PCIe MSI feature"
>> +       depends on PCI_MSI && PCIE_ALTERA
>> +       help
>> +         Say Y here if you want PCIe MSI support for the Altera SocFPGA SoC.
>> +         This MSI driver supports Altera MSI to GIC controller IP.
>> +
>
> Couldn't this driver get combined with the pcie-altera driver?

This MSI IP is a soft IP and it is optional to PCI system. So, we have
individual driver for it and user can disable it.

Regards
Ley Foon



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