riscv: cpu_ops_sbi: Add 64bit hartid support on RV64

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>
Link: https://lore.kernel.org/r/20220527051743.2829940-2-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

diff --git a/arch/riscv/kernel/cpu_ops_sbi.c b/arch/riscv/kernel/cpu_ops_sbi.c
index 4f5a6f8..efa0f08 100644 (file)
--- 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);