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path: root/drivers/ssb/driver_pcicore.c
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Diffstat (limited to 'drivers/ssb/driver_pcicore.c')
-rw-r--r--drivers/ssb/driver_pcicore.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index 75def13e797..538c570df33 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -537,12 +537,19 @@ int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
int err = 0;
u32 tmp;
- might_sleep();
+ if (dev->bus->bustype != SSB_BUSTYPE_PCI) {
+ /* This SSB device is not on a PCI host-bus. So the IRQs are
+ * not routed through the PCI core.
+ * So we must not enable routing through the PCI core. */
+ goto out;
+ }
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 &&
((pdev->id.revision >= 6) || (pdev->id.coreid == SSB_DEV_PCIE))) {