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MN10300: ASB2364: Handle the IRQ multiplexer in the FPGA

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Handle the IRQ multiplexer in the FPGA by implementing a cascade interrupt
driver for it.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells
2010-10-27 17:28:58 +01:00
parent 730c1fad0e
commit 6044cf1d94
7 changed files with 165 additions and 18 deletions
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13
arch/mn10300/kernel/irq.c
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@@ -381,9 +381,16 @@ int show_interrupts(struct seq_file *p, void *v)
seq_printf(p, "%3d: ", i);
for_each_present_cpu(cpu)
seq_printf(p, "%10u ", kstat_irqs_cpu(i, cpu));
seq_printf(p, " %14s.%u", irq_desc[i].chip->name,
(GxICR(i) & GxICR_LEVEL) >>
GxICR_LEVEL_SHIFT);
if (i < NR_CPU_IRQS)
seq_printf(p, " %14s.%u",
irq_desc[i].chip->name,
(GxICR(i) & GxICR_LEVEL) >>
GxICR_LEVEL_SHIFT);
else
seq_printf(p, " %14s",
irq_desc[i].chip->name);
seq_printf(p, " %s", action->name);
for (action = action->next;