[PATCH] powerpc/wsp: Fix IRQ affinity setting
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2012-02-09 04:11:06
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
We call the cache_hwirq_map() function with a linux IRQ number but it expects a HW irq number. This triggers a BUG on multic-chip setups in addition to not doing the right thing. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> --- arch/powerpc/platforms/wsp/ics.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/platforms/wsp/ics.c b/arch/powerpc/platforms/wsp/ics.c
index 5768743..97fe82e 100644
--- a/arch/powerpc/platforms/wsp/ics.c
+++ b/arch/powerpc/platforms/wsp/ics.c@@ -346,7 +346,7 @@ static int wsp_chip_set_affinity(struct irq_data *d, * For the moment only implement delivery to all cpus or one cpu. * Get current irq_server for the given irq */ - ret = cache_hwirq_map(ics, d->irq, cpumask); + ret = cache_hwirq_map(ics, hw_irq, cpumask); if (ret == -1) { char cpulist[128]; cpumask_scnprintf(cpulist, sizeof(cpulist), cpumask);
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1.7.7.3