diff options
| author | Sunil V L <sunilvl@ventanamicro.com> | 2022-05-27 08:17:42 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2022-07-20 02:39:14 +0300 |
| commit | ad635e723e17379b192a5ba9c182e3eedfc24d16 (patch) | |
| tree | 16f68aacc8eb9b33253e64b2811783f96acf4a67 /drivers/clocksource | |
| parent | 62750eae410cf20b7d040395064bac547cfdf540 (diff) | |
| download | linux-ad635e723e17379b192a5ba9c182e3eedfc24d16.tar.xz | |
riscv: cpu: Add 64bit hartid support on RV64
The hartid can be a 64bit value on RV64 platforms.
Add support for 64bit hartid in riscv_of_processor_hartid() and
update its callers.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20220527051743.2829940-5-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/timer-riscv.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/clocksource/timer-riscv.c b/drivers/clocksource/timer-riscv.c index 593d5a957b69..e460df7ed799 100644 --- a/drivers/clocksource/timer-riscv.c +++ b/drivers/clocksource/timer-riscv.c @@ -101,20 +101,21 @@ static irqreturn_t riscv_timer_interrupt(int irq, void *dev_id) static int __init riscv_timer_init_dt(struct device_node *n) { - int cpuid, hartid, error; + int cpuid, error; + unsigned long hartid; struct device_node *child; struct irq_domain *domain; - hartid = riscv_of_processor_hartid(n); - if (hartid < 0) { - pr_warn("Not valid hartid for node [%pOF] error = [%d]\n", + error = riscv_of_processor_hartid(n, &hartid); + if (error < 0) { + pr_warn("Not valid hartid for node [%pOF] error = [%lu]\n", n, hartid); - return hartid; + return error; } cpuid = riscv_hartid_to_cpuid(hartid); if (cpuid < 0) { - pr_warn("Invalid cpuid for hartid [%d]\n", hartid); + pr_warn("Invalid cpuid for hartid [%lu]\n", hartid); return cpuid; } @@ -140,7 +141,7 @@ static int __init riscv_timer_init_dt(struct device_node *n) return -ENODEV; } - pr_info("%s: Registering clocksource cpuid [%d] hartid [%d]\n", + pr_info("%s: Registering clocksource cpuid [%d] hartid [%lu]\n", __func__, cpuid, hartid); error = clocksource_register_hz(&riscv_clocksource, riscv_timebase); if (error) { |