linux-kernel - [PATCH v6 12/19] PCI: microchip: Add INTx and MSI event num to struct plda

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Date:   Fri, 15 Sep 2023 18:22:36 +0800
From:   Minda Chen <minda.chen@...rfivetech.com>
To:     Daire McNamara <daire.mcnamara@...rochip.com>,
        Conor Dooley <conor@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>, <linux-pci@...r.kernel.org>,
        Pali Rohár <pali@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Mason Huo <mason.huo@...rfivetech.com>,
        Leyfoon Tan <leyfoon.tan@...rfivetech.com>,
        Kevin Xie <kevin.xie@...rfivetech.com>,
        Minda Chen <minda.chen@...rfivetech.com>
Subject: [PATCH v6 12/19] PCI: microchip: Add INTx and MSI event num to struct plda_event

The INTx and MSI interrupt event num is different
in Microchip and StarFive platform.

Signed-off-by: Minda Chen <minda.chen@...rfivetech.com>
---
 drivers/pci/controller/plda/pcie-microchip-host.c | 6 ++++--
 drivers/pci/controller/plda/pcie-plda.h           | 2 ++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/controller/plda/pcie-microchip-host.c b/drivers/pci/controller/plda/pcie-microchip-host.c
index e3c7d5e66150..fb09b6c34e01 100644
--- a/drivers/pci/controller/plda/pcie-microchip-host.c
+++ b/drivers/pci/controller/plda/pcie-microchip-host.c
@@ -807,6 +807,8 @@ static int mc_request_event_irq(struct plda_pcie_rp *plda, int event_irq,
 
 static const struct plda_event mc_event = {
 	.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)
@@ -947,7 +949,7 @@ static int plda_init_interrupts(struct platform_device *pdev,
 	}
 
 	intx_irq = irq_create_mapping(port->event_domain,
-				      EVENT_LOCAL_PM_MSI_INT_INTX);
+				      event->intx_event);
 	if (!intx_irq) {
 		dev_err(dev, "failed to map INTx interrupt\n");
 		return -ENXIO;
@@ -957,7 +959,7 @@ static int plda_init_interrupts(struct platform_device *pdev,
 	irq_set_chained_handler_and_data(intx_irq, plda_handle_intx, port);
 
 	msi_irq = irq_create_mapping(port->event_domain,
-				     EVENT_LOCAL_PM_MSI_INT_MSI);
+				     event->msi_event);
 	if (!msi_irq)
 		return -ENXIO;
 
diff --git a/drivers/pci/controller/plda/pcie-plda.h b/drivers/pci/controller/plda/pcie-plda.h
index 4e0712c9365e..af5e69718342 100644
--- a/drivers/pci/controller/plda/pcie-plda.h
+++ b/drivers/pci/controller/plda/pcie-plda.h
@@ -156,6 +156,8 @@ struct plda_pcie_rp {
 struct plda_event {
 	int (*request_event_irq)(struct plda_pcie_rp *pcie,
 				 int event_irq, int event);
+	int intx_event;
+	int msi_event;
 };
 
 irqreturn_t plda_event_handler(int irq, void *dev_id);
-- 
2.17.1