[U-Boot-Users] [PATCH] ppc4xx: Mask 'vec' with 0x1f in uic_interrupt() for bit set/clear

Stefan Roese sr at denx.de
Thu Mar 27 08:48:22 CET 2008


Signed-off-by: Stefan Roese <sr at denx.de>
---
 cpu/ppc4xx/interrupts.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/cpu/ppc4xx/interrupts.c b/cpu/ppc4xx/interrupts.c
index 698bcb5..8620e2b 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)));
 		}
 
 		/*
-- 
1.5.4.4





More information about the U-Boot mailing list