ssb: Fix context assertion in ssb_pcicore_dev_irqvecs_enable

This fixes a context assertion in ssb that makes b44 print
out warnings on resume.

This fixes the following kernel oops:
http://www.kerneloops.org/oops.php?number=12732
http://www.kerneloops.org/oops.php?number=11410

Signed-off-by: Michael Buesch <[e-mail]>
Signed-off-by: John W. Linville <[e-mail]>

drivers/ssb/driver_pcicore.c

···
 	int err = 0;
 	u32 tmp;
 
-	might_sleep();
-
 	if (!pdev)
 		goto out;
 	bus = pdev->bus;
+
+	might_sleep_if(pdev->id.coreid != SSB_DEV_PCI);
 
 	/* Enable interrupts for this device. */
 	if (bus->host_pci &&