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[brcm47xx] On embedded devices we must not route the interrupts through the PCI 

core, if our host-bus is not PCI
Reported-by: Steve Brown <sbrown@cortland.com>
Signed-off-by: Michael Buesch <mb@bu3sch.d>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11750 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Peter Denison 2008-07-08 17:50:40 +00:00
parent eaf53c3419
commit 2172302a74
1 changed files with 26 additions and 0 deletions
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26
target/linux/brcm47xx/patches-2.6.25/630-ssb-fix-irq-init.patch Normal file
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@ -0,0 +1,26 @@
Subject: [OpenWrt-Devel] [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 <sbrown@cortland.com>
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Index: wireless-testing/drivers/ssb/driver_pcicore.c
===================================================================
--- wireless-testing.orig/drivers/ssb/driver_pcicore.c 2008-06-10 13:58:23.000000000 +0200
+++ wireless-testing/drivers/ssb/driver_pcicore.c 2008-07-04 23:16:02.000000000 +0200
@@ -537,6 +537,13 @@ int ssb_pcicore_dev_irqvecs_enable(struc
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;