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Sun, 18 Feb 2024 10:17:46 +0000 From: Minda Chen To: Conor Dooley , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Rob Herring , Bjorn Helgaas , Lorenzo Pieralisi , Daire McNamara , Emil Renner Berthing , Krzysztof Kozlowski Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-pci@vger.kernel.org, Paul Walmsley , Palmer Dabbelt , Albert Ou , Philipp Zabel , Mason Huo , Leyfoon Tan , Kevin Xie , Minda Chen Subject: [PATCH v15 11/23] PCI: microchip: Add num_events field to struct plda_pcie_rp Date: Sun, 18 Feb 2024 18:17:30 +0800 Message-Id: <20240218101732.113397-10-minda.chen@starfivetech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240218101732.113397-1-minda.chen@starfivetech.com> References: <20240218101732.113397-1-minda.chen@starfivetech.com> X-ClientProxiedBy: SHXPR01CA0022.CHNPR01.prod.partner.outlook.cn (2406:e500:c311:1b::31) To SHXPR01MB0863.CHNPR01.prod.partner.outlook.cn (2406:e500:c311:25::15) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SHXPR01MB0863:EE_|SHXPR01MB0765:EE_ X-MS-Office365-Filtering-Correlation-Id: 65bfaaad-ad15-459e-99c5-08dc306ad9e6 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; 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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 Reviewed-by: Conor Dooley --- 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 e277a5452b5d..f7e900b395f8 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,