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If platform_get_irq() returns IRQ0 (considered invalid according to Linus) the driver blithely passes it to usb_add_hcd() that treats IRQ0 as no IRQ at all. Deny IRQ0 right away, returning -EINVAL from the probe() method... Fixes: e84fce0 ("usb: xhci: Add NVIDIA Tegra XUSB controller driver") Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
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