From d8bd643141af4710d7f1b69bbab6b760de0af0a1 Mon Sep 17 00:00:00 2001
From: Stefan Roese <sr@denx.de>
Date: Thu, 27 Mar 2008 08:47:26 +0100
Subject: [PATCH] ppc4xx: Mask 'vec' with 0x1f in uic_interrupt() for bit
set/clear
Signed-off-by: Stefan Roese <sr@denx.de>
---
cpu/ppc4xx/interrupts.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/cpu/ppc4xx/interrupts.c b/cpu/ppc4xx/interrupts.c
index 698bcb57d7..8620e2b484 100644
--- a/cpu/ppc4xx/interrupts.c
+++ b/cpu/ppc4xx/interrupts.c
@@ -218,15 +218,16 @@ static void uic_interrupt(u32 uic_base, int vec_base)
} else {
set_dcr(uic_base + UIC_ER,
get_dcr(uic_base + UIC_ER) &
- ~(0x80000000 >> vec));
+ ~(0x80000000 >> (vec & 0x1f)));
printf("Masking bogus interrupt vector %d"
" (UIC_BASE=0x%x)\n", vec, uic_base);
}
/*
- * After servicing the interrupt, we have to remove the status indicator.
+ * After servicing the interrupt, we have to remove the
+ * status indicator
*/
- set_dcr(uic_base + UIC_SR, (0x80000000 >> vec));
+ set_dcr(uic_base + UIC_SR, (0x80000000 >> (vec & 0x1f)));
}
/*
--
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