2 files changed, 67 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index d78b0af038e6..b75b091098ef 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -333,6 +333,7 @@ static void spu_free_irqs(struct spu *spu)
 }
 
 static struct list_head spu_list[MAX_NUMNODES];
+static LIST_HEAD(spu_full_list);
 static DEFINE_MUTEX(spu_mutex);
 
 static void spu_init_channels(struct spu *spu)
@@ -744,6 +745,57 @@ struct sysdev_class spu_sysdev_class = {
         set_kset_name("spu")
 };
 
+int spu_add_sysdev_attr(struct sysdev_attribute *attr)
+{
+        struct spu *spu;
+        mutex_lock(&spu_mutex);
+
+        list_for_each_entry(spu, &spu_full_list, full_list)
+                sysdev_create_file(&spu->sysdev, attr);
+
+        mutex_unlock(&spu_mutex);
+        return 0;
+}
+EXPORT_SYMBOL_GPL(spu_add_sysdev_attr);
+
+int spu_add_sysdev_attr_group(struct attribute_group *attrs)
+{
+        struct spu *spu;
+        mutex_lock(&spu_mutex);
+
+        list_for_each_entry(spu, &spu_full_list, full_list)
+                sysfs_create_group(&spu->sysdev.kobj, attrs);
+
+        mutex_unlock(&spu_mutex);
+        return 0;
+}
+EXPORT_SYMBOL_GPL(spu_add_sysdev_attr_group);
+
+
+void spu_remove_sysdev_attr(struct sysdev_attribute *attr)
+{
+        struct spu *spu;
+        mutex_lock(&spu_mutex);
+
+        list_for_each_entry(spu, &spu_full_list, full_list)
+                sysdev_remove_file(&spu->sysdev, attr);
+
+        mutex_unlock(&spu_mutex);
+}
+EXPORT_SYMBOL_GPL(spu_remove_sysdev_attr);
+
+void spu_remove_sysdev_attr_group(struct attribute_group *attrs)
+{
+        struct spu *spu;
+        mutex_lock(&spu_mutex);
+
+        list_for_each_entry(spu, &spu_full_list, full_list)
+                sysfs_remove_group(&spu->sysdev.kobj, attrs);
+
+        mutex_unlock(&spu_mutex);
+}
+EXPORT_SYMBOL_GPL(spu_remove_sysdev_attr_group);
+
 static int spu_create_sysdev(struct spu *spu)
 {
         int ret;
@@ -817,6 +869,9 @@ static int __init create_spu(struct device_node *spe)
                 goto out_free_irqs;
 
         list_add(&spu->list, &spu_list[spu->node]);
+        list_add(&spu->full_list, &spu_full_list);
+        spu->devnode = of_node_get(spe);
+
         mutex_unlock(&spu_mutex);
 
         pr_debug(KERN_DEBUG "Using SPE %s %p %p %p %p %d\n",
@@ -839,6 +894,9 @@ out:
 static void destroy_spu(struct spu *spu)
 {
         list_del_init(&spu->list);
+        list_del_init(&spu->full_list);
+
+        of_node_put(spu->devnode);
 
         spu_destroy_sysdev(spu);
         spu_free_irqs(spu);
diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h
index 704e8a8d2ebd..ffa4df083609 100644
--- a/include/asm-powerpc/spu.h
+++ b/include/asm-powerpc/spu.h
@@ -115,6 +115,7 @@ struct spu {
         struct spu_priv2 __iomem *priv2;
         struct list_head list;
         struct list_head sched_list;
+        struct list_head full_list;
         int number;
         int nid;
         unsigned int irqs[3];
@@ -143,6 +144,8 @@ struct spu {
         char irq_c1[8];
         char irq_c2[8];
 
+        struct device_node *devnode;
+
         struct sys_device sysdev;
 };
 
@@ -200,6 +203,12 @@ static inline void unregister_spu_syscalls(struct spufs_calls *calls)
 }
 #endif /* MODULE */
 
+int spu_add_sysdev_attr(struct sysdev_attribute *attr);
+void spu_remove_sysdev_attr(struct sysdev_attribute *attr);
+
+int spu_add_sysdev_attr_group(struct attribute_group *attrs);
+void spu_remove_sysdev_attr_group(struct attribute_group *attrs);
+
 
 /*
  * Notifier blocks: