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authorDavid S. Miller <davem@davemloft.net>2010-02-17 06:09:29 (GMT)
committerDavid S. Miller <davem@davemloft.net>2010-02-17 06:09:29 (GMT)
commit2bb4646fce8d09916b351d1a62f98db7cec6fc41 (patch)
treec1f0d002e69868606eca9d1b919835f422892063 /arch/mips/kernel/traps.c
parent6836b9bdd98e3b500cd49512484df68f46e14659 (diff)
parentb0483e78e5c4c9871fc5541875b3bc006846d46b (diff)
downloadlinux-fsl-qoriq-2bb4646fce8d09916b351d1a62f98db7cec6fc41.tar.xz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'arch/mips/kernel/traps.c')
-rw-r--r--arch/mips/kernel/traps.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 308e434..31b204b 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -1403,6 +1403,7 @@ extern void flush_tlb_handlers(void);
* Timer interrupt
*/
int cp0_compare_irq;
+int cp0_compare_irq_shift;
/*
* Performance counter IRQ or -1 if shared with timer
@@ -1493,12 +1494,14 @@ void __cpuinit per_cpu_trap_init(void)
* o read IntCtl.IPPCI to determine the performance counter interrupt
*/
if (cpu_has_mips_r2) {
- cp0_compare_irq = (read_c0_intctl() >> 29) & 7;
- cp0_perfcount_irq = (read_c0_intctl() >> 26) & 7;
+ cp0_compare_irq_shift = CAUSEB_TI - CAUSEB_IP;
+ cp0_compare_irq = (read_c0_intctl() >> INTCTLB_IPTI) & 7;
+ cp0_perfcount_irq = (read_c0_intctl() >> INTCTLB_IPPCI) & 7;
if (cp0_perfcount_irq == cp0_compare_irq)
cp0_perfcount_irq = -1;
} else {
cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ;
+ cp0_compare_irq_shift = cp0_compare_irq;
cp0_perfcount_irq = -1;
}