On Fri, Jun 28, 2019 at 09:38:26AM +0800, Xiaowei Bao wrote: > Add CONFIG_PCI_LAYERSCAPE_EP to build EP/RC separately. > > Signed-off-by: Xiaowei Bao <xiaowei....@nxp.com> > --- > v2: > - No change. > v3: > - modify the commit message. > > drivers/pci/controller/dwc/Kconfig | 20 ++++++++++++++++++-- > drivers/pci/controller/dwc/Makefile | 3 ++- > 2 files changed, 20 insertions(+), 3 deletions(-) > > diff --git a/drivers/pci/controller/dwc/Kconfig > b/drivers/pci/controller/dwc/Kconfig > index a6ce1ee..a41ccf5 100644 > --- a/drivers/pci/controller/dwc/Kconfig > +++ b/drivers/pci/controller/dwc/Kconfig > @@ -131,13 +131,29 @@ config PCI_KEYSTONE_EP > DesignWare core functions to implement the driver. > > config PCI_LAYERSCAPE > - bool "Freescale Layerscape PCIe controller" > + bool "Freescale Layerscape PCIe controller - Host mode" > depends on OF && (ARM || ARCH_LAYERSCAPE || COMPILE_TEST) > depends on PCI_MSI_IRQ_DOMAIN > select MFD_SYSCON > select PCIE_DW_HOST > help > - Say Y here if you want PCIe controller support on Layerscape SoCs. > + Say Y here if you want to enable PCIe controller support on Layerscape > + SoCs to work in Host mode. > + This controller can work either as EP or RC. The RCW[HOST_AGT_PEX]
What's "The RCW" ? This entry should explain why a kernel configuration should enable it. Lorenzo > + determines which PCIe controller works in EP mode and which PCIe > + controller works in RC mode. > + > +config PCI_LAYERSCAPE_EP > + bool "Freescale Layerscape PCIe controller - Endpoint mode" > + depends on OF && (ARM || ARCH_LAYERSCAPE || COMPILE_TEST) > + depends on PCI_ENDPOINT > + select PCIE_DW_EP > + help > + Say Y here if you want to enable PCIe controller support on Layerscape > + SoCs to work in Endpoint mode. > + This controller can work either as EP or RC. The RCW[HOST_AGT_PEX] > + determines which PCIe controller works in EP mode and which PCIe > + controller works in RC mode. > > config PCI_HISI > depends on OF && (ARM64 || COMPILE_TEST) > diff --git a/drivers/pci/controller/dwc/Makefile > b/drivers/pci/controller/dwc/Makefile > index b085dfd..824fde7 100644 > --- a/drivers/pci/controller/dwc/Makefile > +++ b/drivers/pci/controller/dwc/Makefile > @@ -8,7 +8,8 @@ obj-$(CONFIG_PCI_EXYNOS) += pci-exynos.o > obj-$(CONFIG_PCI_IMX6) += pci-imx6.o > obj-$(CONFIG_PCIE_SPEAR13XX) += pcie-spear13xx.o > obj-$(CONFIG_PCI_KEYSTONE) += pci-keystone.o > -obj-$(CONFIG_PCI_LAYERSCAPE) += pci-layerscape.o pci-layerscape-ep.o > +obj-$(CONFIG_PCI_LAYERSCAPE) += pci-layerscape.o > +obj-$(CONFIG_PCI_LAYERSCAPE_EP) += pci-layerscape-ep.o > obj-$(CONFIG_PCIE_QCOM) += pcie-qcom.o > obj-$(CONFIG_PCIE_ARMADA_8K) += pcie-armada8k.o > obj-$(CONFIG_PCIE_ARTPEC6) += pcie-artpec6.o > -- > 1.7.1 >
