diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-01-12 19:27:22 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-01-17 19:38:55 +0100 |
| commit | f684b10751287e8b7e15e8f10ae40bdd74149bba (patch) | |
| tree | b6a815a9cb17fefc8b056183288cc16553cba4ef /drivers/acpi | |
| parent | ACPI: CPPC: Fix up I/O port access in cpc_read() (diff) | |
| download | linux-f684b10751287e8b7e15e8f10ae40bdd74149bba.tar.xz linux-f684b10751287e8b7e15e8f10ae40bdd74149bba.zip | |
ACPI: CPPC: Drop redundant local variable from cpc_read()
The ret_val local variable in cpc_read() is not necessary, so
eliminate it.
No functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/cppc_acpi.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index 5bc55322e425..866560cbb082 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -915,14 +915,13 @@ int __weak cpc_write_ffh(int cpunum, struct cpc_reg *reg, u64 val) static int cpc_read(int cpu, struct cpc_register_resource *reg_res, u64 *val) { - int ret_val = 0; void __iomem *vaddr = NULL; int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu); struct cpc_reg *reg = ®_res->cpc_entry.reg; if (reg_res->type == ACPI_TYPE_INTEGER) { *val = reg_res->cpc_entry.int_value; - return ret_val; + return 0; } *val = 0; @@ -968,10 +967,10 @@ static int cpc_read(int cpu, struct cpc_register_resource *reg_res, u64 *val) default: pr_debug("Error: Cannot read %u bit width from PCC for ss: %d\n", reg->bit_width, pcc_ss_id); - ret_val = -EFAULT; + return -EFAULT; } - return ret_val; + return 0; } static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val) |