From f22a356c30571fa71a5cce66fea5682567818b97 Mon Sep 17 00:00:00 2001
From: batt <batt@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Wed, 17 Mar 2010 13:08:31 +0000
Subject: [PATCH] AT91SAM7: clarify sysirq_dispatcher description.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@3226 38d2e660-2303-0410-9eaa-f027e97ec537
---
 bertos/cpu/arm/drv/sysirq_at91.c | 6 ++++--
 bertos/cpu/arm/drv/timer_at91.h  | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/bertos/cpu/arm/drv/sysirq_at91.c b/bertos/cpu/arm/drv/sysirq_at91.c
index d08f79b5..6de17602 100644
--- a/bertos/cpu/arm/drv/sysirq_at91.c
+++ b/bertos/cpu/arm/drv/sysirq_at91.c
@@ -94,8 +94,10 @@ STATIC_ASSERT(countof(sysirq_tab) == SYSIRQ_CNT);
  * various sources (system timer, etc..) and calls
  * the corresponding handler.
  *
- * \note On ARM all IRQs are handled by the sysirq_dispatcher, so we can't
- * differentiate between context-switch and non-context-switch ISR.
+ * \note On AT91SAM7, all system IRQs (timer included) are handled
+ * by the sysirq_dispatcher, so we can't differentiate between
+ * context-switch and non-context-switch ISR inside this
+ * class of IRQs.
  */
 static DECLARE_ISR_CONTEXT_SWITCH(sysirq_dispatcher)
 {
diff --git a/bertos/cpu/arm/drv/timer_at91.h b/bertos/cpu/arm/drv/timer_at91.h
index 68e5561e..90a72cf0 100644
--- a/bertos/cpu/arm/drv/timer_at91.h
+++ b/bertos/cpu/arm/drv/timer_at91.h
@@ -65,7 +65,7 @@
 #if (CONFIG_TIMER == TIMER_ON_PIT)
 
 	/*
-	 * On ARM all IRQs are handled by the sysirq_dispatcher, so the actual
+	 * On ARM all system IRQs are handled by the sysirq_dispatcher, so the actual
 	 * timer handler can be treated like any other normal routine.
 	 */
 	#define DEFINE_TIMER_ISR	void timer_handler(void);	\
-- 
2.34.1