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

[Ley Foon Tan]

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.
>>
>> Signed-off-by: Ley Foon Tan <lftan at altera.com>
>> ---
>>  drivers/pci/host/Kconfig           |   7 +
>>  drivers/pci/host/Makefile          |   1 +
>>  drivers/pci/host/pcie-altera-msi.c | 318 +++++++++++++++++++++++++++++++++++++
>>  3 files changed, 326 insertions(+)
>>  create mode 100644 drivers/pci/host/pcie-altera-msi.c
>>
>> diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig
>> index af19039..a8b87fd 100644
>> --- a/drivers/pci/host/Kconfig
>> +++ b/drivers/pci/host/Kconfig
>> @@ -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?
Prefer to separate them, since they are 2 separate IPs.
Theoretically, this MSI driver can work with other PCIe host as well.

Thanks.

Regard
Ley Foon