From: Daniel Hellstrom <daniel@gaisler.com>
Date: Fri, 22 Jan 2010 10:57:49 +0000 (+0100)
Subject: sparc: Added function that checks if IRQ is on or off
X-Git-Tag: v2016.01-rc2~41^2~18
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=f33f888d0e6c5c3f8eb880219bbc87b938832607;p=u-boot

sparc: Added function that checks if IRQ is on or off

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
---

diff --git a/arch/sparc/include/asm/irq.h b/arch/sparc/include/asm/irq.h
index 2faf7a074e..5d0f7564e9 100644
--- a/arch/sparc/include/asm/irq.h
+++ b/arch/sparc/include/asm/irq.h
@@ -32,4 +32,7 @@ extern int intLock(void);
 /* Sets the PIL to oldLevel */
 extern void intUnlock(int oldLevel);
 
+/* Return non-zero if interrupts are currently enabled */
+extern int interrupt_is_enabled(void);
+
 #endif
diff --git a/arch/sparc/lib/interrupts.c b/arch/sparc/lib/interrupts.c
index b7c3993619..b8f2efb303 100644
--- a/arch/sparc/lib/interrupts.c
+++ b/arch/sparc/lib/interrupts.c
@@ -47,6 +47,13 @@ int disable_interrupts(void)
 	return intLock();
 }
 
+int interrupt_is_enabled(void)
+{
+	if (get_pil() == 15)
+		return 0;
+	return 1;
+}
+
 int interrupt_init(void)
 {
 	int ret;