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path: root/drivers/cpufreq/cpufreq.c
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Diffstat (limited to 'drivers/cpufreq/cpufreq.c')
-rw-r--r--drivers/cpufreq/cpufreq.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 1109f6848a43..5cb4d09919d6 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1919,8 +1919,10 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
1919 1919
1920 ret = sysdev_driver_register(&cpu_sysdev_class, 1920 ret = sysdev_driver_register(&cpu_sysdev_class,
1921 &cpufreq_sysdev_driver); 1921 &cpufreq_sysdev_driver);
1922 if (ret)
1923 goto err_null_driver;
1922 1924
1923 if ((!ret) && !(cpufreq_driver->flags & CPUFREQ_STICKY)) { 1925 if (!(cpufreq_driver->flags & CPUFREQ_STICKY)) {
1924 int i; 1926 int i;
1925 ret = -ENODEV; 1927 ret = -ENODEV;
1926 1928
@@ -1935,21 +1937,22 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data)
1935 if (ret) { 1937 if (ret) {
1936 dprintk("no CPU initialized for driver %s\n", 1938 dprintk("no CPU initialized for driver %s\n",
1937 driver_data->name); 1939 driver_data->name);
1938 sysdev_driver_unregister(&cpu_sysdev_class, 1940 goto err_sysdev_unreg;
1939 &cpufreq_sysdev_driver);
1940
1941 spin_lock_irqsave(&cpufreq_driver_lock, flags);
1942 cpufreq_driver = NULL;
1943 spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
1944 } 1941 }
1945 } 1942 }
1946 1943
1947 if (!ret) { 1944 register_hotcpu_notifier(&cpufreq_cpu_notifier);
1948 register_hotcpu_notifier(&cpufreq_cpu_notifier); 1945 dprintk("driver %s up and running\n", driver_data->name);
1949 dprintk("driver %s up and running\n", driver_data->name); 1946 cpufreq_debug_enable_ratelimit();
1950 cpufreq_debug_enable_ratelimit();
1951 }
1952 1947
1948 return 0;
1949err_sysdev_unreg:
1950 sysdev_driver_unregister(&cpu_sysdev_class,
1951 &cpufreq_sysdev_driver);
1952err_null_driver:
1953 spin_lock_irqsave(&cpufreq_driver_lock, flags);
1954 cpufreq_driver = NULL;
1955 spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
1953 return ret; 1956 return ret;
1954} 1957}
1955EXPORT_SYMBOL_GPL(cpufreq_register_driver); 1958EXPORT_SYMBOL_GPL(cpufreq_register_driver);