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From: Esben Haabendal on 19 Jun 2008 15:50
Any reason for __set_irq_handler not supporting the IRQ_NOAUTOEN flag?

/Esben

kernel/irq/chip.c | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 964964b..42bb163 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -584,10 +584,15 @@ __set_irq_handler(unsigned int irq,
irq_flow_handler_t handle, int is_chained,
desc->name = name;

if (handle != handle_bad_irq && is_chained) {
- desc->status &= ~IRQ_DISABLED;
desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE;
- desc->depth = 0;
- desc->chip->unmask(irq);
+ if (!(desc->status & IRQ_NOAUTOEN)) {
+ desc->depth = 0;
+ desc->status &= ~IRQ_DISABLED;
+ desc->chip->unmask(irq);
+ } else {
+ /* Undo nested disables: */
+ desc->depth = 1;
+ }
}
spin_unlock_irqrestore(&desc->lock, flags);
}

--
Esben Haabendal, Senior Software Consultant
Dor�Development ApS, Ved Stranden 1, 9560 Hadsund, DK-Denmark
Tlf: +45 51 92 53 93, mail: eha(a)doredevelopment.dk
WWW: http://www.doredevelopment.dk
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