linux-kernel - [PATCH v8 10/22] PCI: plda: Add PLDA default event IRQ handler

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Message-ID: <20231011110514.107528-11-minda.chen@starfivetech.com>
Date:   Wed, 11 Oct 2023 19:05:02 +0800
From:   Minda Chen <minda.chen@...rfivetech.com>
To:     Conor Dooley <conor@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Rob Herring <robh+dt@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        "Daire McNamara" <daire.mcnamara@...rochip.com>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>, <linux-pci@...r.kernel.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 v8 10/22] PCI: plda: Add PLDA default event IRQ handler

Add PLDA default event IRQ handler.
This is first patch of refactoring IRQ handling codes.
The handler function will be referenced by later patch.

Signed-off-by: Minda Chen <minda.chen@...rfivetech.com>
---
 drivers/pci/controller/plda/pcie-plda-host.c | 5 +++++
 drivers/pci/controller/plda/pcie-plda.h      | 1 +
 2 files changed, 6 insertions(+)

diff --git a/drivers/pci/controller/plda/pcie-plda-host.c b/drivers/pci/controller/plda/pcie-plda-host.c
index 19131181897f..21ca6b460f5e 100644
--- a/drivers/pci/controller/plda/pcie-plda-host.c
+++ b/drivers/pci/controller/plda/pcie-plda-host.c
@@ -18,6 +18,11 @@
 
 #include "pcie-plda.h"
 
+irqreturn_t plda_event_handler(int irq, void *dev_id)
+{
+	return IRQ_HANDLED;
+}
+
 void plda_pcie_setup_window(void __iomem *bridge_base_addr, u32 index,
 			    phys_addr_t axi_addr, phys_addr_t pci_addr,
 			    size_t size)
diff --git a/drivers/pci/controller/plda/pcie-plda.h b/drivers/pci/controller/plda/pcie-plda.h
index 3deefd35fa5a..7ff7ff44c980 100644
--- a/drivers/pci/controller/plda/pcie-plda.h
+++ b/drivers/pci/controller/plda/pcie-plda.h
@@ -120,6 +120,7 @@ struct plda_pcie_rp {
 	void __iomem *bridge_addr;
 };
 
+irqreturn_t plda_event_handler(int irq, void *dev_id);
 void plda_pcie_setup_window(void __iomem *bridge_base_addr, u32 index,
 			    phys_addr_t axi_addr, phys_addr_t pci_addr,
 			    size_t size);
-- 
2.17.1