Hi Andrey, Adding Robert Hancock who reported[1] on a PCIe MSI issue with i.MX6. Andrey Smirnov writes: > Building a kernel with CONFIG_PCI_IMX6=y, but CONFIG_PCIEPORTBUS=n > produces a system where built-in PCIE bridge (16c3:abcd) isn't bound > to pcieport driver. This, in turn, results in a PCIE bus that is > capable of enumerating attached PCIE device, but lacks functional > interrupt support. Robert, does that fix your issue? > Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx> > --- > > Assuming this is a reasonable dependency, shold this be done to more > than just i.MX6 driver? > > drivers/pci/controller/dwc/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/pci/controller/dwc/Kconfig b/drivers/pci/controller/dwc/Kconfig > index 2b139acccf32..44ededbeab85 100644 > --- a/drivers/pci/controller/dwc/Kconfig > +++ b/drivers/pci/controller/dwc/Kconfig > @@ -92,6 +92,7 @@ config PCI_IMX6 > bool "Freescale i.MX6 PCIe controller" > depends on SOC_IMX8MQ || SOC_IMX6Q || (ARM && COMPILE_TEST) > depends on PCI_MSI_IRQ_DOMAIN > + depends on PCIEPORTBUS This effectively disables PCIe in imx_v6_v7_defconfig, since CONFIG_PCIEPORTBUS is not enabled there. Maybe do 'select' instead? > Select PCIE_DW_HOST > > config PCIE_SPEAR13XX baruch [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2018-November/614800.html -- http://baruch.siach.name/blog/ ~. .~ Tk Open Systems =}------------------------------------------------ooO--U--Ooo------------{= - baruch@xxxxxxxxxx - tel: +972.52.368.4656, http://www.tkos.co.il -