Messages in this thread | | | Date | Tue, 28 Jul 2015 22:38:07 -0500 | Subject | Re: [PATCH 4/6] pci: altera: Add Altera PCIe MSI driver | From | Dinh Nguyen <> |
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On Tue, Jul 28, 2015 at 10:07 PM, Ley Foon Tan <lftan@altera.com> wrote: > On Wed, Jul 29, 2015 at 1:00 AM, Dinh Nguyen <dinh.linux@gmail.com> wrote: >> On Tue, Jul 28, 2015 at 5:45 AM, Ley Foon Tan <lftan@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. >
So why can't you use CONFIG_PCI_MSI in the pcie-altera driver? I see that most, if not all of the other drivers are combined with MSI.
Dinh
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