pcc_freq: convert acpi_get_handle() to acpi_has_method()

[firefly-linux-kernel-4.4.55.git] / drivers / cpufreq / pcc-cpufreq.c

diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c
index d81c4e5ea0ada8c49afac790f1107bc5ce8f11e6..70438de5c0e4b373cdb84addce215b58f9413d9d 100644 (file)
--- a/drivers/cpufreq/pcc-cpufreq.c
+++ b/drivers/cpufreq/pcc-cpufreq.c
@@ -396,15 +396,14 @@ static int __init pcc_cpufreq_probe(void)
        struct pcc_memory_resource *mem_resource;
        struct pcc_register_resource *reg_resource;
        union acpi_object *out_obj, *member;
-       acpi_handle handle, osc_handle, pcch_handle;
+       acpi_handle handle, osc_handle;
        int ret = 0;
 
        status = acpi_get_handle(NULL, "\\_SB", &handle);
        if (ACPI_FAILURE(status))
                return -ENODEV;
 
-       status = acpi_get_handle(handle, "PCCH", &pcch_handle);
-       if (ACPI_FAILURE(status))
+       if (!acpi_has_method(handle, "PCCH"))
                return -ENODEV;
 
        status = acpi_get_handle(handle, "_OSC", &osc_handle);