From: Alan Cox <[EMAIL PROTECTED]>
Nowdays you can ask for an IRQ to be allocated but not enabled, when PCMCIA
was written this was not true and this feature is thus not used
[EMAIL PROTECTED]: add comment and ifdef to avoid compilation
breakage at least on alpha]
Signed-off-by: Alan Cox <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Dominik Brodowski <[EMAIL PROTECTED]>
---
drivers/pcmcia/pcmcia_resource.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index c8f77b8..78af594 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -812,6 +812,15 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev,
irq_req_t *req)
type = IRQF_SHARED;
#ifdef CONFIG_PCMCIA_PROBE
+
+#ifdef IRQ_NOAUTOEN
+ /* if the underlying IRQ infrastructure allows for it, only allocate
+ * the IRQ, but do not enable it
+ */
+ if (!(req->Attributes & IRQ_HANDLE_PRESENT))
+ type |= IRQ_NOAUTOEN;
+#endif /* IRQ_NOAUTOEN */
+
if (s->irq.AssignedIRQ != 0) {
/* If the interrupt is already assigned, it must be the same */
irq = s->irq.AssignedIRQ;
--
1.5.4.3
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