On Wed, Oct 11, 2023 at 07:05:08PM +0800, Minda Chen wrote:
> PolarFire Implements none-PLDA event interrupts. So the whole event
> domain ops can not be re-used.
IIRC, the reason things are like this is to work around the lack of an
msi controller and are not as a result of changes made to the PLDA IP
by us.
> PLDA event domain ops instances will be implemented
> in later patch.
Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
Thanks,
Conor.
>
> Signed-off-by: Minda Chen <minda.chen@xxxxxxxxxxxxxxxx>
> ---
> drivers/pci/controller/plda/pcie-microchip-host.c | 9 ++++++---
> drivers/pci/controller/plda/pcie-plda.h | 1 +
> 2 files changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/pci/controller/plda/pcie-microchip-host.c b/drivers/pci/controller/plda/pcie-microchip-host.c
> index fca1520d56c9..2825c1f5563d 100644
> --- a/drivers/pci/controller/plda/pcie-microchip-host.c
> +++ b/drivers/pci/controller/plda/pcie-microchip-host.c
> @@ -811,13 +811,15 @@ static const struct plda_event_ops mc_event_ops = {
> };
>
> static const struct plda_event mc_event = {
> + .domain_ops = &mc_event_domain_ops,
> .event_ops = &mc_event_ops,
> .request_event_irq = mc_request_event_irq,
> .intx_event = EVENT_LOCAL_PM_MSI_INT_INTX,
> .msi_event = EVENT_LOCAL_PM_MSI_INT_MSI,
> };
>
> -static int plda_pcie_init_irq_domains(struct plda_pcie_rp *port)
> +static int plda_pcie_init_irq_domains(struct plda_pcie_rp *port,
> + const struct irq_domain_ops *ops)
> {
> struct device *dev = port->dev;
> struct device_node *node = dev->of_node;
> @@ -831,7 +833,8 @@ static int plda_pcie_init_irq_domains(struct plda_pcie_rp *port)
> }
>
> port->event_domain = irq_domain_add_linear(pcie_intc_node, port->num_events,
> - &mc_event_domain_ops, port);
> + ops, port);
> +
> if (!port->event_domain) {
> dev_err(dev, "failed to get event domain\n");
> of_node_put(pcie_intc_node);
> @@ -930,7 +933,7 @@ static int plda_init_interrupts(struct platform_device *pdev,
> return -EINVAL;
> }
>
> - ret = plda_pcie_init_irq_domains(port);
> + ret = plda_pcie_init_irq_domains(port, event->domain_ops);
> if (ret) {
> dev_err(dev, "failed creating IRQ domains\n");
> return ret;
> diff --git a/drivers/pci/controller/plda/pcie-plda.h b/drivers/pci/controller/plda/pcie-plda.h
> index 6571a4befac9..080932cbe8c4 100644
> --- a/drivers/pci/controller/plda/pcie-plda.h
> +++ b/drivers/pci/controller/plda/pcie-plda.h
> @@ -129,6 +129,7 @@ struct plda_pcie_rp {
> };
>
> struct plda_event {
> + const struct irq_domain_ops *domain_ops;
> const struct plda_event_ops *event_ops;
> int (*request_event_irq)(struct plda_pcie_rp *pcie,
> int event_irq, int event);
> --
> 2.17.1
>
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