From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Fri, 21 Dec 2007 09:27:24 +0100
From: Juan Antonio Garcia Redondo <juan-antonio.garcia@domain.hid>
Message-ID: <20071221082724.GA9091@domain.hid>
References: <20071219150622.GA15974@domain.hid>
	<2ff1a98a0712190838n68ea4dacs9a27834e07de4939@domain.hid>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <2ff1a98a0712190838n68ea4dacs9a27834e07de4939@domain.hid>
Subject: Re: [Xenomai-help] PIOX irq problems with at91sam9260
List-Id: Help regarding installation and common use of Xenomai
	<xenomai.xenomai.org>
List-Unsubscribe: <https://mail.gna.org/listinfo/xenomai-help>,
	<mailto:xenomai-help-request@domain.hid>
List-Archive: </public/xenomai-help>
List-Post: <mailto:xenomai@xenomai.org>
List-Help: <mailto:xenomai-help-request@domain.hid>
List-Subscribe: <https://mail.gna.org/listinfo/xenomai-help>,
	<mailto:xenomai-help-request@domain.hid>
To: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
Cc: jagarcia@domain.hid, xenomai@xenomai.org

I've found a workaround for my problem, but I'm not sure if is the
correct solution.

First, my test program test_irq.c had an error, after request the irq,
it have be enabled; anyway the problem persists because the
__ipipe_mach_demux_irq find the irq disabled (gpio->depth = 1).

My workaround:
+++ wrappers.h	2007-12-21 08:19:19.000000000 +0100
@@ -74,8 +74,15 @@
 #define rthal_irq_chip_disable(irq)  ({
rthal_irq_descp(irq)->chip->disable(irq); 0; })
 #define rthal_irq_chip_end(irq)      ({
rthal_irq_descp(irq)->ipipe_end(irq, rthal_irq_descp(irq)); 0; })
 typedef irq_handler_t rthal_irq_host_handler_t;
-#define rthal_mark_irq_disabled(irq) (rthal_irq_desc_status(irq) |=
IRQ_DISABLED)
-#define rthal_mark_irq_enabled(irq) (rthal_irq_desc_status(irq) &=
~IRQ_DISABLED)
+#define rthal_mark_irq_disabled(irq) do {              \
+            rthal_irq_desc_status(irq) |= IRQ_DISABLED; \
+            rthal_irq_descp(irq)->depth = 1;            \
+        } while(0);
+#define rthal_mark_irq_enabled(irq) do {                 \
+            rthal_irq_desc_status(irq) &= ~IRQ_DISABLED; \
+            rthal_irq_descp(irq)->depth = 0;             \
+        } while(0);
+#endif

Regards,
	Juan Antonio