[PATCH V3 1/5] riscv: cpu_ops_sbi: Add 64bit hartid support on RV64

Sunil V L
2022-05-27T05:18:07Z

The hartid can be a 64bit value on RV64 platforms.

Modify the hartid variable type to unsigned long so that it can
hold 64bit value on RV64 platforms.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
---
arch/riscv/kernel/cpu_ops_sbi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/riscv/kernel/cpu_ops_sbi.c b/arch/riscv/kernel/cpu_ops_sbi.c
index 4f5a6f84e2a4..efa0f0816634 100644
--- a/arch/riscv/kernel/cpu_ops_sbi.c
+++ b/arch/riscv/kernel/cpu_ops_sbi.c
@@ -65,7 +65,7 @@ static int sbi_hsm_hart_get_status(unsigned long hartid)
static int sbi_cpu_start(unsigned int cpuid, struct task_struct *tidle)
{
unsigned long boot_addr = __pa_symbol(secondary_start_sbi);
- int hartid = cpuid_to_hartid_map(cpuid);
+ unsigned long hartid = cpuid_to_hartid_map(cpuid);
unsigned long hsm_data;
struct sbi_hart_boot_data *bdata = &per_cpu(boot_data, cpuid);

@@ -107,7 +107,7 @@ static void sbi_cpu_stop(void)
static int sbi_cpu_is_stopped(unsigned int cpuid)
{
int rc;
- int hartid = cpuid_to_hartid_map(cpuid);
+ unsigned long hartid = cpuid_to_hartid_map(cpuid);

rc = sbi_hsm_hart_get_status(hartid);