| Message ID | 20250515094301.40016-1-cuiyunhui@bytedance.com |
|---|---|
| State | New |
| Headers | show |
| Series | ACPI: RISC-V: CPPC: Add CSR_CYCLE for CPPC FFH | expand |
diff --git a/drivers/acpi/riscv/cppc.c b/drivers/acpi/riscv/cppc.c index 4cdff387deff6..c1acaeb18eac3 100644 --- a/drivers/acpi/riscv/cppc.c +++ b/drivers/acpi/riscv/cppc.c @@ -69,11 +69,14 @@ static void cppc_ffh_csr_read(void *read_data) struct sbi_cppc_data *data = (struct sbi_cppc_data *)read_data; switch (data->reg) { - /* Support only TIME CSR for now */ case CSR_TIME: data->ret.value = csr_read(CSR_TIME); data->ret.error = 0; break; + case CSR_CYCLE: + data->ret.value = csr_read(CSR_CYCLE); + data->ret.error = 0; + break; default: data->ret.error = -EINVAL; break;
Add the read of CSR_CYCLE to cppc_ffh_csr_read() to fix the warning message: "CPPC Cpufreq: cppc_scale_freq_wokrfn: failed to read perf counters". Signed-off-by: Yunhui Cui <cuiyunhui@bytedance.com> --- drivers/acpi/riscv/cppc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)