1 files changed, 37 insertions, 46 deletions

diff --git a/arch/i386/kernel/tsc.c b/arch/i386/kernel/tsc.c
index 59222a04234b..875d8a6ecc02 100644
--- a/arch/i386/kernel/tsc.c
+++ b/arch/i386/kernel/tsc.c
@@ -184,34 +184,6 @@ int recalibrate_cpu_khz(void)
 
 EXPORT_SYMBOL(recalibrate_cpu_khz);
 
-void __init tsc_init(void)
-{
-        if (!cpu_has_tsc || tsc_disable)
-                goto out_no_tsc;
-
-        cpu_khz = calculate_cpu_khz();
-        tsc_khz = cpu_khz;
-
-        if (!cpu_khz)
-                goto out_no_tsc;
-
-        printk("Detected %lu.%03lu MHz processor.\n",
-                                (unsigned long)cpu_khz / 1000,
-                                (unsigned long)cpu_khz % 1000);
-
-        set_cyc2ns_scale(cpu_khz);
-        use_tsc_delay();
-        return;
-
-out_no_tsc:
-        /*
-         * Set the tsc_disable flag if there's no TSC support, this
-         * makes it a fast flag for the kernel to see whether it
-         * should be using the TSC.
-         */
-        tsc_disable = 1;
-}
-
 #ifdef CONFIG_CPU_FREQ
 
 /*
@@ -381,28 +353,47 @@ static void __init check_geode_tsc_reliable(void)
 static inline void check_geode_tsc_reliable(void) { }
 #endif
 
-static int __init init_tsc_clocksource(void)
+
+void __init tsc_init(void)
 {
+        if (!cpu_has_tsc || tsc_disable)
+                goto out_no_tsc;
 
-        if (cpu_has_tsc && tsc_khz && !tsc_disable) {
-                /* check blacklist */
-                dmi_check_system(bad_tsc_dmi_table);
+        cpu_khz = calculate_cpu_khz();
+        tsc_khz = cpu_khz;
 
-                unsynchronized_tsc();
-                check_geode_tsc_reliable();
-                current_tsc_khz = tsc_khz;
-                clocksource_tsc.mult = clocksource_khz2mult(current_tsc_khz,
-                                                        clocksource_tsc.shift);
-                /* lower the rating if we already know its unstable: */
-                if (check_tsc_unstable()) {
-                        clocksource_tsc.rating = 0;
-                        clocksource_tsc.flags &= ~CLOCK_SOURCE_IS_CONTINUOUS;
-                }
+        if (!cpu_khz)
+                goto out_no_tsc;
 
-                return clocksource_register(&clocksource_tsc);
+        printk("Detected %lu.%03lu MHz processor.\n",
+                                (unsigned long)cpu_khz / 1000,
+                                (unsigned long)cpu_khz % 1000);
+
+        set_cyc2ns_scale(cpu_khz);
+        use_tsc_delay();
+
+        /* Check and install the TSC clocksource */
+        dmi_check_system(bad_tsc_dmi_table);
+
+        unsynchronized_tsc();
+        check_geode_tsc_reliable();
+        current_tsc_khz = tsc_khz;
+        clocksource_tsc.mult = clocksource_khz2mult(current_tsc_khz,
+                                                        clocksource_tsc.shift);
+        /* lower the rating if we already know its unstable: */
+        if (check_tsc_unstable()) {
+                clocksource_tsc.rating = 0;
+                clocksource_tsc.flags &= ~CLOCK_SOURCE_IS_CONTINUOUS;
         }
+        clocksource_register(&clocksource_tsc);
 
-        return 0;
-}
+        return;
 
-module_init(init_tsc_clocksource);
+out_no_tsc:
+        /*
+         * Set the tsc_disable flag if there's no TSC support, this
+         * makes it a fast flag for the kernel to see whether it
+         * should be using the TSC.
+         */
+        tsc_disable = 1;
+}