RISC-V: Remove per cpu clocksource

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 <[email protected]>
Signed-off-by: Paul Walmsley <[email protected]>
Acked-by: Daniel Lezcano <[email protected]>

diff --git a/drivers/clocksource/timer-riscv.c b/drivers/clocksource/timer-riscv.c
index 5e6038fbf115d10bc82cc77548b709c3145e4a43..09e031176bc6bae860133bb478d7fb5428b25469 100644 (file)
--- a/drivers/clocksource/timer-riscv.c
+++ b/drivers/clocksource/timer-riscv.c
@@ -55,7 +55,7 @@ static u64 riscv_sched_clock(void)
        return get_cycles64();
 }
 
-static DEFINE_PER_CPU(struct clocksource, riscv_clocksource) = {
+static struct clocksource riscv_clocksource = {
        .name           = "riscv_clocksource",
        .rating         = 300,
        .mask           = CLOCKSOURCE_MASK(64),
@@ -92,7 +92,6 @@ void riscv_timer_interrupt(void)
 static int __init riscv_timer_init_dt(struct device_node *n)
 {
        int cpuid, hartid, error;
-       struct clocksource *cs;
 
        hartid = riscv_of_processor_hartid(n);
        if (hartid < 0) {
@@ -112,8 +111,7 @@ static int __init riscv_timer_init_dt(struct device_node *n)
 
        pr_info("%s: Registering clocksource cpuid [%d] hartid [%d]\n",
               __func__, cpuid, hartid);
-       cs = per_cpu_ptr(&riscv_clocksource, cpuid);
-       error = clocksource_register_hz(cs, riscv_timebase);
+       error = clocksource_register_hz(&riscv_clocksource, riscv_timebase);
        if (error) {
                pr_err("RISCV timer register failed [%d] for cpu = [%d]\n",
                       error, cpuid);