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authorSunil V L <sunilvl@ventanamicro.com>2022-05-27 08:17:42 +0300
committerPalmer Dabbelt <palmer@rivosinc.com>2022-07-20 02:39:14 +0300
commitad635e723e17379b192a5ba9c182e3eedfc24d16 (patch)
tree16f68aacc8eb9b33253e64b2811783f96acf4a67 /drivers/clocksource
parent62750eae410cf20b7d040395064bac547cfdf540 (diff)
downloadlinux-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.c15
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) {