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path: root/drivers/irqchip/irq-mvebu-gicp.c
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Diffstat (limited to 'drivers/irqchip/irq-mvebu-gicp.c')
-rw-r--r--drivers/irqchip/irq-mvebu-gicp.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-mvebu-gicp.c b/drivers/irqchip/irq-mvebu-gicp.c
index d3232d6d8dce..54833717f8a7 100644
--- a/drivers/irqchip/irq-mvebu-gicp.c
+++ b/drivers/irqchip/irq-mvebu-gicp.c
@@ -177,6 +177,7 @@ static int mvebu_gicp_probe(struct platform_device *pdev)
.ops = &gicp_domain_ops,
};
struct mvebu_gicp *gicp;
+ void __iomem *base;
int ret, i;
gicp = devm_kzalloc(&pdev->dev, sizeof(*gicp), GFP_KERNEL);
@@ -236,6 +237,15 @@ static int mvebu_gicp_probe(struct platform_device *pdev)
return -ENODEV;
}
+ base = ioremap(gicp->res->start, resource_size(gicp->res));
+ if (IS_ERR(base)) {
+ dev_err(&pdev->dev, "ioremap() failed. Unable to clear pending interrupts.\n");
+ } else {
+ for (i = 0; i < 64; i++)
+ writel(i, base + GICP_CLRSPI_NSR_OFFSET);
+ iounmap(base);
+ }
+
return msi_create_parent_irq_domain(&info, &gicp_msi_parent_ops) ? 0 : -ENOMEM;
}