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[PATCH] libddekit: support new-style interrupt notifications
From: |
Justus Winter |
Subject: |
[PATCH] libddekit: support new-style interrupt notifications |
Date: |
Sun, 28 Feb 2016 00:42:10 +0100 |
* libddekit/interrupt.c (irq_server): If a message with a valid reply
port arrives, deallocate that instead of calling 'device_intr_enable'
to re-enable the interrupt.
---
libddekit/interrupt.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libddekit/interrupt.c b/libddekit/interrupt.c
index 2618e50..acace56 100644
--- a/libddekit/interrupt.c
+++ b/libddekit/interrupt.c
@@ -145,7 +145,11 @@ static void intloop(void *arg)
params->handler(params->priv);
/* If the irq has been disabled by the linux device,
* we don't need to reenable the real one. */
- device_intr_enable (master_device, my_index, TRUE);
+ if (MACH_PORT_VALID (intr_header->intr_header.msgh_remote_port))
+ mach_port_deallocate (mach_task_self (),
+
intr_header->intr_header.msgh_remote_port);
+ else
+ device_intr_enable (master_device, my_index, TRUE);
if (ddekit_irq_ctrl[my_index].thread_exit) {
ddekit_lock_unlock (&ddekit_irq_ctrl[my_index].irqlock);
--
2.1.4