X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fsparc64%2Fkernel%2Fus2e_cpufreq.c;h=791c15138f3a4abf3cb368e12041fcd7f304842c;hb=acf63867ae06ef95eea7bf445ded2f05528a81b1;hp=686e526bec04c91ffe1e7c145537b1a74680fb20;hpb=17fa53da1239b8712c5cebbd72a74c713b6c2db9;p=linux-2.6

diff --git a/arch/sparc64/kernel/us2e_cpufreq.c b/arch/sparc64/kernel/us2e_cpufreq.c
index 686e526bec..791c15138f 100644
--- a/arch/sparc64/kernel/us2e_cpufreq.c
+++ b/arch/sparc64/kernel/us2e_cpufreq.c
@@ -326,7 +326,6 @@ static int __init us2e_freq_cpu_init(struct cpufreq_policy *policy)
 	table[2].index = 5;
 	table[3].frequency = CPUFREQ_TABLE_END;
 
-	policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
 	policy->cpuinfo.transition_latency = 0;
 	policy->cur = clock_tick;
 
@@ -346,6 +345,9 @@ static int __init us2e_freq_init(void)
 	unsigned long manuf, impl, ver;
 	int ret;
 
+	if (tlb_type != spitfire)
+		return -ENODEV;
+
 	__asm__("rdpr %%ver, %0" : "=r" (ver));
 	manuf = ((ver >> 48) & 0xffff);
 	impl  = ((ver >> 32) & 0xffff);
@@ -354,20 +356,16 @@ static int __init us2e_freq_init(void)
 		struct cpufreq_driver *driver;
 
 		ret = -ENOMEM;
-		driver = kmalloc(sizeof(struct cpufreq_driver), GFP_KERNEL);
+		driver = kzalloc(sizeof(struct cpufreq_driver), GFP_KERNEL);
 		if (!driver)
 			goto err_out;
-		memset(driver, 0, sizeof(*driver));
 
-		us2e_freq_table = kmalloc(
+		us2e_freq_table = kzalloc(
 			(NR_CPUS * sizeof(struct us2e_freq_percpu_info)),
 			GFP_KERNEL);
 		if (!us2e_freq_table)
 			goto err_out;
 
-		memset(us2e_freq_table, 0,
-		       (NR_CPUS * sizeof(struct us2e_freq_percpu_info)));
-
 		driver->init = us2e_freq_cpu_init;
 		driver->verify = us2e_freq_verify;
 		driver->target = us2e_freq_target;
@@ -388,10 +386,8 @@ err_out:
 			kfree(driver);
 			cpufreq_us2e_driver = NULL;
 		}
-		if (us2e_freq_table) {
-			kfree(us2e_freq_table);
-			us2e_freq_table = NULL;
-		}
+		kfree(us2e_freq_table);
+		us2e_freq_table = NULL;
 		return ret;
 	}
 
@@ -402,7 +398,6 @@ static void __exit us2e_freq_exit(void)
 {
 	if (cpufreq_us2e_driver) {
 		cpufreq_unregister_driver(cpufreq_us2e_driver);
-
 		kfree(cpufreq_us2e_driver);
 		cpufreq_us2e_driver = NULL;
 		kfree(us2e_freq_table);