From 9e095a687b3561972272063260e14ab1bc21de08 Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Fri, 4 Jul 2008 23:44:37 +0200 Subject: [PATCH] ssb-pcicore: Fix IRQ-vector init on embedded devices On embedded devices we must not route the interrupts through the PCI core, if our host-bus is not PCI. Reported-by: Steve Brown Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/ssb/driver_pcicore.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c index d28c53868093..538c570df337 100644 --- a/drivers/ssb/driver_pcicore.c +++ b/drivers/ssb/driver_pcicore.c @@ -537,6 +537,13 @@ int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc, int err = 0; u32 tmp; + 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;