On Tue, May 14, 2019 at 01:35:20PM +0800, Ley Foon Tan wrote: > On Wed, Apr 24, 2019 at 12:57 PM Ley Foon Tan <ley.foon.tan@xxxxxxxxx> wrote: > > > > Altera MSI IP is a soft IP and is only available after > > FPGA image is programmed. > > > > Make driver modulable to support use case FPGA image is programmed > > after kernel is booted. User proram FPGA image in kernel then only load > > MSI driver module. > > > > Signed-off-by: Ley Foon Tan <ley.foon.tan@xxxxxxxxx> > > --- > > drivers/pci/controller/Kconfig | 2 +- > > drivers/pci/controller/pcie-altera-msi.c | 10 ++++++++++ > > 2 files changed, 11 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig > > index 4b550f9cdd56..920546cb84e2 100644 > > --- a/drivers/pci/controller/Kconfig > > +++ b/drivers/pci/controller/Kconfig > > @@ -181,7 +181,7 @@ config PCIE_ALTERA > > FPGA. > > > > config PCIE_ALTERA_MSI > > - bool "Altera PCIe MSI feature" > > + tristate "Altera PCIe MSI feature" > > depends on PCIE_ALTERA > > depends on PCI_MSI_IRQ_DOMAIN > > help > > diff --git a/drivers/pci/controller/pcie-altera-msi.c b/drivers/pci/controller/pcie-altera-msi.c > > index 025ef7d9a046..16d938920ca5 100644 > > --- a/drivers/pci/controller/pcie-altera-msi.c > > +++ b/drivers/pci/controller/pcie-altera-msi.c > > @@ -10,6 +10,7 @@ > > #include <linux/interrupt.h> > > #include <linux/irqchip/chained_irq.h> > > #include <linux/init.h> > > +#include <linux/module.h> > > #include <linux/msi.h> > > #include <linux/of_address.h> > > #include <linux/of_irq.h> > > @@ -288,4 +289,13 @@ static int __init altera_msi_init(void) > > { > > return platform_driver_register(&altera_msi_driver); > > } > > + > > +static void __exit altera_msi_exit(void) > > +{ > > + platform_driver_unregister(&altera_msi_driver); > > +} > > + > > subsys_initcall(altera_msi_init); > > +MODULE_DEVICE_TABLE(of, altera_msi_of_match); > > +module_exit(altera_msi_exit); > > +MODULE_LICENSE("GPL v2"); > > -- > > 2.19.0 > > > Hi > > Any comment for this patch? I will get to these patches for the next merge window, thanks. Lorenzo