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path: root/drivers/cpufreq/sparc-us3-cpufreq.c
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Diffstat (limited to 'drivers/cpufreq/sparc-us3-cpufreq.c')
-rw-r--r--drivers/cpufreq/sparc-us3-cpufreq.c58
1 files changed, 17 insertions, 41 deletions
diff --git a/drivers/cpufreq/sparc-us3-cpufreq.c b/drivers/cpufreq/sparc-us3-cpufreq.c
index e41b35b16afd..91d1ed558136 100644
--- a/drivers/cpufreq/sparc-us3-cpufreq.c
+++ b/drivers/cpufreq/sparc-us3-cpufreq.c
@@ -19,8 +19,6 @@
#include <asm/head.h>
#include <asm/timer.h>
-static struct cpufreq_driver *cpufreq_us3_driver;
-
struct us3_freq_percpu_info {
struct cpufreq_frequency_table table[4];
};
@@ -144,12 +142,19 @@ static int __init us3_freq_cpu_init(struct cpufreq_policy *policy)
static int us3_freq_cpu_exit(struct cpufreq_policy *policy)
{
- if (cpufreq_us3_driver)
- us3_freq_target(policy, 0);
-
+ us3_freq_target(policy, 0);
return 0;
}
+static struct cpufreq_driver cpufreq_us3_driver = {
+ .name = "UltraSPARC-III",
+ .init = us3_freq_cpu_init,
+ .verify = cpufreq_generic_frequency_table_verify,
+ .target_index = us3_freq_target,
+ .get = us3_freq_get,
+ .exit = us3_freq_cpu_exit,
+};
+
static int __init us3_freq_init(void)
{
unsigned long manuf, impl, ver;
@@ -167,39 +172,15 @@ static int __init us3_freq_init(void)
impl == CHEETAH_PLUS_IMPL ||
impl == JAGUAR_IMPL ||
impl == PANTHER_IMPL)) {
- struct cpufreq_driver *driver;
-
- ret = -ENOMEM;
- driver = kzalloc(sizeof(*driver), GFP_KERNEL);
- if (!driver)
- goto err_out;
-
- us3_freq_table = kzalloc((NR_CPUS * sizeof(*us3_freq_table)),
- GFP_KERNEL);
+ us3_freq_table = kzalloc(NR_CPUS * sizeof(*us3_freq_table),
+ GFP_KERNEL);
if (!us3_freq_table)
- goto err_out;
-
- driver->init = us3_freq_cpu_init;
- driver->verify = cpufreq_generic_frequency_table_verify;
- driver->target_index = us3_freq_target;
- driver->get = us3_freq_get;
- driver->exit = us3_freq_cpu_exit;
- strcpy(driver->name, "UltraSPARC-III");
+ return -ENOMEM;
- cpufreq_us3_driver = driver;
- ret = cpufreq_register_driver(driver);
+ ret = cpufreq_register_driver(&cpufreq_us3_driver);
if (ret)
- goto err_out;
+ kfree(us3_freq_table);
- return 0;
-
-err_out:
- if (driver) {
- kfree(driver);
- cpufreq_us3_driver = NULL;
- }
- kfree(us3_freq_table);
- us3_freq_table = NULL;
return ret;
}
@@ -208,13 +189,8 @@ err_out:
static void __exit us3_freq_exit(void)
{
- if (cpufreq_us3_driver) {
- cpufreq_unregister_driver(cpufreq_us3_driver);
- kfree(cpufreq_us3_driver);
- cpufreq_us3_driver = NULL;
- kfree(us3_freq_table);
- us3_freq_table = NULL;
- }
+ cpufreq_unregister_driver(&cpufreq_us3_driver);
+ kfree(us3_freq_table);
}
MODULE_AUTHOR("David S. Miller <davem@redhat.com>");