This supercedes the older patch ("cw1200: Don't perform SPI transfers in
interrupt context") that badly attempted to fix this problem.
This is a far simpler solution, which has the added benefit of
actually working.
Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 
        pr_debug("SW IRQ subscribe\n");
 
-       ret = request_any_context_irq(self->func->irq, cw1200_spi_irq_handler,
-                                     IRQF_TRIGGER_HIGH,
-                                     "cw1200_wlan_irq", self);
+       ret = request_threaded_irq(self->func->irq, NULL,
+                                  cw1200_spi_irq_handler,
+                                  IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+                                  "cw1200_wlan_irq", self);
        if (WARN_ON(ret < 0))
                goto exit;