irqchip/gic: Don't initialise chip if mapping IO space fails
If we fail to map the address space for the GIC distributor or CPU interface, then don't attempt to initialise the chip, just WARN and return. Signed-off-by: Jon Hunter <jonathanh@nvidia.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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992345a58e
Коммит
26acfe7463
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@ -1209,10 +1209,14 @@ gic_of_init(struct device_node *node, struct device_node *parent)
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return -ENODEV;
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return -ENODEV;
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dist_base = of_iomap(node, 0);
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dist_base = of_iomap(node, 0);
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WARN(!dist_base, "unable to map gic dist registers\n");
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if (WARN(!dist_base, "unable to map gic dist registers\n"))
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return -ENOMEM;
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cpu_base = of_iomap(node, 1);
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cpu_base = of_iomap(node, 1);
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WARN(!cpu_base, "unable to map gic cpu registers\n");
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if (WARN(!cpu_base, "unable to map gic cpu registers\n")) {
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iounmap(dist_base);
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return -ENOMEM;
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}
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/*
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/*
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* Disable split EOI/Deactivate if either HYP is not available
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* Disable split EOI/Deactivate if either HYP is not available
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