[POWERPC] powermac: Constify & voidify get_property()

[linux-2.6-omap-h63xx.git] / drivers / macintosh / windfarm_smu_controls.c

diff --git a/drivers/macintosh/windfarm_smu_controls.c b/drivers/macintosh/windfarm_smu_controls.c
index a9e88edc0c72fe9fc7b950b469f457f18c9b59c5..bff1f372f1885ebe5082048d48e580c8e008a8a8 100644 (file)
--- a/drivers/macintosh/windfarm_smu_controls.c
+++ b/drivers/macintosh/windfarm_smu_controls.c
@@ -159,14 +159,15 @@ static struct smu_fan_control *smu_fan_create(struct device_node *node,
                                              int pwm_fan)
 {
        struct smu_fan_control *fct;
-       s32 *v; u32 *reg;
-       char *l;
+       const s32 *v;
+       const u32 *reg;
+       const char *l;
 
        fct = kmalloc(sizeof(struct smu_fan_control), GFP_KERNEL);
        if (fct == NULL)
                return NULL;
        fct->ctrl.ops = &smu_fan_ops;
-       l = (char *)get_property(node, "location", NULL);
+       l = get_property(node, "location", NULL);
        if (l == NULL)
                goto fail;
 
@@ -223,17 +224,17 @@ static struct smu_fan_control *smu_fan_create(struct device_node *node,
                goto fail;
 
        /* Get min & max values*/
-       v = (s32 *)get_property(node, "min-value", NULL);
+       v = get_property(node, "min-value", NULL);
        if (v == NULL)
                goto fail;
        fct->min = *v;
-       v = (s32 *)get_property(node, "max-value", NULL);
+       v = get_property(node, "max-value", NULL);
        if (v == NULL)
                goto fail;
        fct->max = *v;
 
        /* Get "reg" value */
-       reg = (u32 *)get_property(node, "reg", NULL);
+       reg = get_property(node, "reg", NULL);
        if (reg == NULL)
                goto fail;
        fct->reg = *reg;