The number of events is different across platforms. In order to share
interrupt processing code, add a variable that defines the number of
events so that it can be set per-platform instead of hardcoding it.
Signed-off-by: Minda Chen <minda.chen@xxxxxxxxxxxxxxxx>
Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
---
drivers/pci/controller/plda/pcie-microchip-host.c | 8 +++++---
drivers/pci/controller/plda/pcie-plda.h | 1 +
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/pci/controller/plda/pcie-microchip-host.c b/drivers/pci/controller/plda/pcie-microchip-host.c
index 18bc352db389..0a5cd8b214cd 100644
--- a/drivers/pci/controller/plda/pcie-microchip-host.c
+++ b/drivers/pci/controller/plda/pcie-microchip-host.c
@@ -653,7 +653,7 @@ static void plda_handle_event(struct irq_desc *desc)
events = mc_get_events(port);
- for_each_set_bit(bit, &events, NUM_EVENTS)
+ for_each_set_bit(bit, &events, port->num_events)
generic_handle_domain_irq(port->event_domain, bit);
chained_irq_exit(chip, desc);
@@ -816,7 +816,8 @@ static int plda_pcie_init_irq_domains(struct plda_pcie_rp *port)
return -EINVAL;
}
- port->event_domain = irq_domain_add_linear(pcie_intc_node, NUM_EVENTS,
+ port->event_domain = irq_domain_add_linear(pcie_intc_node,
+ port->num_events,
&plda_event_domain_ops,
port);
if (!port->event_domain) {
@@ -920,7 +921,7 @@ static int plda_init_interrupts(struct platform_device *pdev, struct plda_pcie_r
if (irq < 0)
return -ENODEV;
- for (i = 0; i < NUM_EVENTS; i++) {
+ for (i = 0; i < port->num_events; i++) {
event_irq = irq_create_mapping(port->event_domain, i);
if (!event_irq) {
dev_err(dev, "failed to map hwirq %d\n", i);
@@ -1012,6 +1013,7 @@ static int mc_host_probe(struct platform_device *pdev)
bridge_base_addr = port->axi_base_addr + MC_PCIE_BRIDGE_ADDR;
plda->bridge_addr = bridge_base_addr;
+ plda->num_events = NUM_EVENTS;
/* Allow enabling MSI by disabling MSI-X */
val = readl(bridge_base_addr + PCIE_PCI_IRQ_DW0);
diff --git a/drivers/pci/controller/plda/pcie-plda.h b/drivers/pci/controller/plda/pcie-plda.h
index 3a17d8ab5bb2..adfca9f28458 100644
--- a/drivers/pci/controller/plda/pcie-plda.h
+++ b/drivers/pci/controller/plda/pcie-plda.h
@@ -124,6 +124,7 @@ struct plda_pcie_rp {
raw_spinlock_t lock;
struct plda_msi msi;
void __iomem *bridge_addr;
+ int num_events;
};
void plda_pcie_setup_window(void __iomem *bridge_base_addr, u32 index,
--
2.17.1
