diff options
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/Kconfig | 6 | ||||
| -rw-r--r-- | arch/arc/kernel/time.c | 7 |
2 files changed, 5 insertions, 8 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index fb4177e48260..5ede5460c806 100644 --- a/arch/arc/Kconfig +++ b/arch/arc/Kconfig @@ -136,9 +136,6 @@ if SMP config ARC_HAS_COH_CACHES def_bool n -config ARC_HAS_COH_RTSC - def_bool n - config ARC_HAS_REENTRANT_IRQ_LV2 def_bool n @@ -332,8 +329,7 @@ config ARC_HAS_RTSC bool "Insn: RTSC (64-bit r/o cycle counter)" default y depends on ARC_CPU_REL_4_10 - # if SMP, enable RTSC only if counter is coherent across cores - depends on !SMP || ARC_HAS_COH_RTSC + depends on !SMP endmenu # "ARC CPU Configuration" diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c index 0a9b6b289c4f..e5f3a837fb35 100644 --- a/arch/arc/kernel/time.c +++ b/arch/arc/kernel/time.c @@ -63,9 +63,10 @@ int arc_counter_setup(void) { - /* RTSC insn taps into cpu clk, needs no setup */ - - /* For SMP, only allowed if cross-core-sync, hence usable as cs */ + /* + * For SMP this needs to be 0. However Kconfig glue doesn't + * enable this option for SMP configs + */ return 1; } |