On Wed, Apr 24, 2019 at 12:57:15PM +0800, Ley Foon Tan 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(-)
Applied to pci/altera for v5.3, thanks.
Lorenzo
> 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
>
