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From:   Minda Chen <minda.chen@starfivetech.com>
To:     Conor Dooley <conor@kernel.org>,
        =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= <kw@linux.com>,
        Rob Herring <robh+dt@kernel.org>,
        Bjorn Helgaas <bhelgaas@google.com>,
        Lorenzo Pieralisi <lpieralisi@kernel.org>,
        "Daire McNamara" <daire.mcnamara@microchip.com>,
        Emil Renner Berthing <emil.renner.berthing@canonical.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
CC:     <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linux-riscv@lists.infradead.org>, <linux-pci@vger.kernel.org>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        Mason Huo <mason.huo@starfivetech.com>,
        Leyfoon Tan <leyfoon.tan@starfivetech.com>,
        Kevin Xie <kevin.xie@starfivetech.com>,
        Minda Chen <minda.chen@starfivetech.com>
Subject: [PATCH v8 10/22] PCI: plda: Add PLDA default event IRQ handler
Date:   Wed, 11 Oct 2023 19:05:02 +0800
Message-ID: <20231011110514.107528-11-minda.chen@starfivetech.com>
In-Reply-To: <20231011110514.107528-1-minda.chen@starfivetech.com>
References: <20231011110514.107528-1-minda.chen@starfivetech.com>
MIME-Version: 1.0
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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@starfivetech.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