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Subject[PATCH 4/4] PCI: xilinx-nwl: Add method to setup_platform_service_irq hook
Date
Add nwl_setup_service_irqs hook to setup_platform_service_irq IRQs to
register platform provided IRQ number to kernel AER service.

Signed-off-by: Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
---
drivers/pci/controller/pcie-xilinx-nwl.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c
index fb32840..285647b 100644
--- a/drivers/pci/controller/pcie-xilinx-nwl.c
+++ b/drivers/pci/controller/pcie-xilinx-nwl.c
@@ -22,6 +22,7 @@
#include <linux/irqchip/chained_irq.h>

#include "../pci.h"
+#include "../pcie/portdrv.h"

/* Bridge core config registers */
#define BRCFG_PCIE_RX0 0x00000000
@@ -819,6 +820,20 @@ static int nwl_pcie_parse_dt(struct nwl_pcie *pcie,
return 0;
}

+int nwl_setup_service_irqs(struct pci_host_bridge *bridge, int *irqs,
+ int plat_mask)
+{
+ struct nwl_pcie *pcie;
+
+ pcie = pci_host_bridge_priv(bridge);
+ if (plat_mask & PCIE_PORT_SERVICE_AER) {
+ irqs[PCIE_PORT_SERVICE_AER_SHIFT] = pcie->irq_misc;
+ plat_mask &= ~(1 << PCIE_PORT_SERVICE_AER_SHIFT);
+ }
+
+ return plat_mask;
+}
+
static const struct of_device_id nwl_pcie_of_match[] = {
{ .compatible = "xlnx,nwl-pcie-2.11", },
{}
@@ -880,6 +895,7 @@ static int nwl_pcie_probe(struct platform_device *pdev)
bridge->ops = &nwl_pcie_ops;
bridge->map_irq = of_irq_parse_and_map_pci;
bridge->swizzle_irq = pci_common_swizzle;
+ bridge->setup_platform_service_irq = nwl_setup_service_irqs;

if (IS_ENABLED(CONFIG_PCI_MSI)) {
err = nwl_pcie_enable_msi(pcie);
--
1.7.1
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