[RFC 3/3] RISC-V: Remove per cpu clocksource

[Atish Patra]

There is only one clocksource in RISC-V. The boot cpu initializes
that clocksource. No need to keep a percpu data structure.

Signed-off-by: Atish Patra <atish.pa...@wdc.com>
---
 drivers/clocksource/riscv_timer.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/clocksource/riscv_timer.c 
b/drivers/clocksource/riscv_timer.c
index 335bdb91..537c5c70 100644
--- a/drivers/clocksource/riscv_timer.c
+++ b/drivers/clocksource/riscv_timer.c
@@ -49,7 +49,7 @@ static unsigned long long riscv_clocksource_rdtime(struct 
clocksource *cs)
        return get_cycles64();
 }
 
-static DEFINE_PER_CPU(struct clocksource, riscv_clocksource) = {
+static struct clocksource riscv_clocksource = {
        .name           = "riscv_clocksource",
        .rating         = 300,
        .mask           = CLOCKSOURCE_MASK(BITS_PER_LONG),
@@ -101,7 +101,6 @@ static long __init riscv_timebase_frequency(struct 
device_node *node)
 static int __init riscv_timer_init_dt(struct device_node *n)
 {
        int cpuid, hartid, error;
-       struct clocksource *cs;
 
        hartid = riscv_of_processor_hartid(n);
        cpuid = riscv_hartid_to_cpuid(hartid);
@@ -110,8 +109,7 @@ static int __init riscv_timer_init_dt(struct device_node *n)
                return 0;
 
        riscv_timebase = riscv_timebase_frequency(n);
-       cs = per_cpu_ptr(&riscv_clocksource, cpuid);
-       clocksource_register_hz(cs, riscv_timebase);
+       clocksource_register_hz(&riscv_clocksource, riscv_timebase);
 
        error = cpuhp_setup_state(CPUHP_AP_RISCV_TIMER_STARTING,
                         "clockevents/riscv/timer:starting",
-- 
2.7.4