Merge branch 'juju' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux13...

[sfrench/cifs-2.6.git] / arch / powerpc / platforms / powermac / cpufreq_64.c

diff --git a/arch/powerpc/platforms/powermac/cpufreq_64.c b/arch/powerpc/platforms/powermac/cpufreq_64.c
index 7b1156ea5341ced1f27b8e0a874d55b3937daca4..00f50298c342aad55c982687e03bddbde0d731cb 100644 (file)
--- a/arch/powerpc/platforms/powermac/cpufreq_64.c
+++ b/arch/powerpc/platforms/powermac/cpufreq_64.c
@@ -89,7 +89,7 @@ static DEFINE_MUTEX(g5_switch_mutex);
 
 #ifdef CONFIG_PMAC_SMU
 
-static u32 *g5_pmode_data;
+static const u32 *g5_pmode_data;
 static int g5_pmode_max;
 
 static struct smu_sdbp_fvt *g5_fvt_table;      /* table of op. points */
@@ -104,7 +104,7 @@ static void g5_smu_switch_volt(int speed_mode)
 {
        struct smu_simple_cmd   cmd;
 
-       DECLARE_COMPLETION(comp);
+       DECLARE_COMPLETION_ONSTACK(comp);
        smu_queue_simple(&cmd, SMU_CMD_POWER_COMMAND, 8, smu_done_complete,
                         &comp, 'V', 'S', 'L', 'E', 'W',
                         0xff, g5_fvt_cur+1, speed_mode);
@@ -357,13 +357,13 @@ static unsigned int g5_cpufreq_get_speed(unsigned int cpu)
 
 static int g5_cpufreq_cpu_init(struct cpufreq_policy *policy)
 {
-       if (policy->cpu != 0)
-               return -ENODEV;
-
        policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
        policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
        policy->cur = g5_cpu_freqs[g5_query_freq()].frequency;
-       policy->cpus = cpu_possible_map;
+       /* secondary CPUs are tied to the primary one by the
+        * cpufreq core if in the secondary policy we tell it that
+        * it actually must be one policy together with all others. */
+       policy->cpus = cpu_online_map;
        cpufreq_frequency_table_get_attr(g5_cpu_freqs, policy->cpu);
 
        return cpufreq_frequency_table_cpuinfo(policy,
@@ -391,7 +391,8 @@ static int __init g5_neo2_cpufreq_init(struct device_node *cpus)
        unsigned int psize, ssize;
        unsigned long max_freq;
        char *freq_method, *volt_method;
-       u32 *valp, pvr_hi;
+       const u32 *valp;
+       u32 pvr_hi;
        int use_volts_vdnap = 0;
        int use_volts_smu = 0;
        int rc = -ENODEV;
@@ -409,8 +410,7 @@ static int __init g5_neo2_cpufreq_init(struct device_node *cpus)
        /* Get first CPU node */
        for (cpunode = NULL;
             (cpunode = of_get_next_child(cpus, cpunode)) != NULL;) {
-               u32 *reg =
-                       (u32 *)get_property(cpunode, "reg", NULL);
+               const u32 *reg = of_get_property(cpunode, "reg", NULL);
                if (reg == NULL || (*reg) != 0)
                        continue;
                if (!strcmp(cpunode->type, "cpu"))
@@ -422,7 +422,7 @@ static int __init g5_neo2_cpufreq_init(struct device_node *cpus)
        }
 
        /* Check 970FX for now */
-       valp = (u32 *)get_property(cpunode, "cpu-version", NULL);
+       valp = of_get_property(cpunode, "cpu-version", NULL);
        if (!valp) {
                DBG("No cpu-version property !\n");
                goto bail_noprops;
@@ -434,7 +434,7 @@ static int __init g5_neo2_cpufreq_init(struct device_node *cpus)
        }
 
        /* Look for the powertune data in the device-tree */
-       g5_pmode_data = (u32 *)get_property(cpunode, "power-mode-data",&psize);
+       g5_pmode_data = of_get_property(cpunode, "power-mode-data",&psize);
        if (!g5_pmode_data) {
                DBG("No power-mode-data !\n");
                goto bail_noprops;
@@ -442,7 +442,7 @@ static int __init g5_neo2_cpufreq_init(struct device_node *cpus)
        g5_pmode_max = psize / sizeof(u32) - 1;
 
        if (use_volts_smu) {
-               struct smu_sdbp_header *shdr;
+               const struct smu_sdbp_header *shdr;
 
                /* Look for the FVT table */
                shdr = smu_get_sdb_partition(SMU_SDB_FVT_ID, NULL);
@@ -493,7 +493,7 @@ static int __init g5_neo2_cpufreq_init(struct device_node *cpus)
         * half freq in this version. So far, I haven't yet seen a machine
         * supporting anything else.
         */
-       valp = (u32 *)get_property(cpunode, "clock-frequency", NULL);
+       valp = of_get_property(cpunode, "clock-frequency", NULL);
        if (!valp)
                return -ENODEV;
        max_freq = (*valp)/1000;
@@ -541,8 +541,8 @@ static int __init g5_neo2_cpufreq_init(struct device_node *cpus)
 static int __init g5_pm72_cpufreq_init(struct device_node *cpus)
 {
        struct device_node *cpuid = NULL, *hwclock = NULL, *cpunode = NULL;
-       u8 *eeprom = NULL;
-       u32 *valp;
+       const u8 *eeprom = NULL;
+       const u32 *valp;
        u64 max_freq, min_freq, ih, il;
        int has_volt = 1, rc = 0;
 
@@ -563,7 +563,7 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpus)
        /* Lookup the cpuid eeprom node */
         cpuid = of_find_node_by_path("/u3@0,f8000000/i2c@f8001000/cpuid@a0");
        if (cpuid != NULL)
-               eeprom = (u8 *)get_property(cpuid, "cpuid", NULL);
+               eeprom = of_get_property(cpuid, "cpuid", NULL);
        if (eeprom == NULL) {
                printk(KERN_ERR "cpufreq: Can't find cpuid EEPROM !\n");
                rc = -ENODEV;
@@ -573,12 +573,13 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpus)
        /* Lookup the i2c hwclock */
        for (hwclock = NULL;
             (hwclock = of_find_node_by_name(hwclock, "i2c-hwclock")) != NULL;){
-               char *loc = get_property(hwclock, "hwctrl-location", NULL);
+               const char *loc = of_get_property(hwclock,
+                               "hwctrl-location", NULL);
                if (loc == NULL)
                        continue;
                if (strcmp(loc, "CPU CLOCK"))
                        continue;
-               if (!get_property(hwclock, "platform-get-frequency", NULL))
+               if (!of_get_property(hwclock, "platform-get-frequency", NULL))
                        continue;
                break;
        }
@@ -637,7 +638,7 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpus)
         */
 
        /* Get max frequency from device-tree */
-       valp = (u32 *)get_property(cpunode, "clock-frequency", NULL);
+       valp = of_get_property(cpunode, "clock-frequency", NULL);
        if (!valp) {
                printk(KERN_ERR "cpufreq: Can't find CPU frequency !\n");
                rc = -ENODEV;