[PATCH 3/8] blackfin irq: update blackfin for new irq_desc

[Mike Travis <travis@sgi.com>]

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Impact: cleanup, update to new cpumask API

Irq_desc.affinity and irq_desc.pending_mask are now cpumask_var_t's
so access to them should be using the new cpumask API.

Since CONFIG_CPUMASK_OFFSTACK is not likely to be enabled for the blackfin
architecture, double check that it is indeed not set, as we do not
allocate any variable-sized cpumask_var_t's.

Signed-off-by: Mike Travis <travis@sgi.com>
Cc: Bryan Wu <cooloney@kernel.org>
---
 arch/blackfin/kernel/irqchip.c |    5 +++++
 1 file changed, 5 insertions(+)

--- linux-2.6-for-ingo.orig/arch/blackfin/kernel/irqchip.c
+++ linux-2.6-for-ingo/arch/blackfin/kernel/irqchip.c
@@ -69,6 +69,11 @@ static struct irq_desc bad_irq_desc = {
 #endif
 };
 
+#ifdef CONFIG_CPUMASK_OFFSTACK
+/* We are not allocating a variable-sized bad_irq_desc.affinity */
+#error "Blackfin architecture does not support CONFIG_CPUMASK_OFFSTACK."
+#endif
+
 int show_interrupts(struct seq_file *p, void *v)
 {
 	int i = *(loff_t *) v, j;

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