On Wed, Jul 29, 2015 at 1:00 AM, Dinh Nguyen [off-list ref] wrote:

On Tue, Jul 28, 2015 at 5:45 AM, Ley Foon Tan [off-list ref] wrote:

quoted

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 <redacted>
---
 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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