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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/pci/controller/pcie-altera-msi.c
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@@ -10,6 +10,7 @@
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 #include <linux/interrupt.h>
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 #include <linux/irqchip/chained_irq.h>
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 #include <linux/init.h>
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+#include <linux/module.h>
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 #include <linux/msi.h>
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 #include <linux/of_address.h>
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 #include <linux/of_irq.h>
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@@ -227,8 +228,7 @@
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 	mutex_init(&msi->lock);
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 	msi->pdev = pdev;
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-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "csr");
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-	msi->csr_base = devm_ioremap_resource(&pdev->dev, res);
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+	msi->csr_base = devm_platform_ioremap_resource_byname(pdev, "csr");
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 	if (IS_ERR(msi->csr_base)) {
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 		dev_err(&pdev->dev, "failed to map csr memory\n");
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 		return PTR_ERR(msi->csr_base);
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@@ -255,7 +255,6 @@
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 	msi->irq = platform_get_irq(pdev, 0);
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 	if (msi->irq < 0) {
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-		dev_err(&pdev->dev, "failed to map IRQ: %d\n", msi->irq);
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 		ret = msi->irq;
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 		goto err;
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 	}
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@@ -288,4 +287,13 @@
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 {
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 	return platform_driver_register(&altera_msi_driver);
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 }
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+
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+static void __exit altera_msi_exit(void)
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+{
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+	platform_driver_unregister(&altera_msi_driver);
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+}
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+
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 subsys_initcall(altera_msi_init);
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+MODULE_DEVICE_TABLE(of, altera_msi_of_match);
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+module_exit(altera_msi_exit);
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+MODULE_LICENSE("GPL v2");