Re: [PATCH 4/6] pci: altera: Add Altera PCIe MSI driver
From: Ley Foon Tan
Date: Wed Jul 29 2015 - 04:54:09 EST
On Wed, Jul 29, 2015 at 1:00 AM, Dinh Nguyen <dinh.linux@xxxxxxxxx> wrote:
> On Tue, Jul 28, 2015 at 5:45 AM, Ley Foon Tan <lftan@xxxxxxxxxx> 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@xxxxxxxxxx>
>> ---
>> 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
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