summaryrefslogtreecommitdiffstats
path: root/arch/arc
diff options
context:
space:
mode:
authorIgor Guryanov <guryanov@synopsys.com>2014-12-24 16:31:26 +0300
committerAlexey Brodkin <abrodkin@synopsys.com>2015-01-15 22:38:42 +0300
commitc0e9535e1d582ec089c743b705752392fcf3d9a2 (patch)
treef9f4fb4500bf09c68456d9debc932dfb35d9af8a /arch/arc
parente47d733867b2da336754718f7eaa7f51655dbefa (diff)
downloadblackbird-obmc-uboot-c0e9535e1d582ec089c743b705752392fcf3d9a2.tar.gz
blackbird-obmc-uboot-c0e9535e1d582ec089c743b705752392fcf3d9a2.zip
arc: interrupts - fix mask setup
To disable interrupts we need to reset corresponding flags in STATUS32 register. For this we need to OR flags for interrupts level1 and level2 and then AND with current value in STATUS32. Before that implementation was incorrect. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Igor Guryanov <guryanov@synopsys.com>
Diffstat (limited to 'arch/arc')
-rw-r--r--arch/arc/cpu/arc700/interrupts.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arc/cpu/arc700/interrupts.c b/arch/arc/cpu/arc700/interrupts.c
index 7dde74b438..d7cab3bb40 100644
--- a/arch/arc/cpu/arc700/interrupts.c
+++ b/arch/arc/cpu/arc700/interrupts.c
@@ -23,7 +23,7 @@ int interrupt_init(void)
int disable_interrupts(void)
{
int status = read_aux_reg(ARC_AUX_STATUS32);
- int state = (status | E1_MASK | E2_MASK) ? 1 : 0;
+ int state = (status & (E1_MASK | E2_MASK)) ? 1 : 0;
status &= ~(E1_MASK | E2_MASK);
/* STATUS32 register is updated indirectly with "FLAG" instruction */
OpenPOWER on IntegriCloud