diff --git a/arch/powerpc/platforms/cell/cbe_thermal.c b/arch/powerpc/platforms/cell/cbe_thermal.c
index e4132f8f51b3..fb5eda48467d 100644
--- a/arch/powerpc/platforms/cell/cbe_thermal.c
+++ b/arch/powerpc/platforms/cell/cbe_thermal.c
@@ -88,17 +88,13 @@ static struct cbe_pmd_regs __iomem *get_pmd_regs(struct sys_device *sysdev)
 /* returns the value for a given spu in a given register */
 static u8 spu_read_register_value(struct sys_device *sysdev, union spe_reg __iomem *reg)
 {
-	const unsigned int *id;
 	union spe_reg value;
 	struct spu *spu;
 
-	/* getting the id from the reg attribute will not work on future device-tree layouts
-	 * in future we should store the id to the spu struct and use it here */
 	spu = container_of(sysdev, struct spu, sysdev);
-	id = of_get_property(spu_devnode(spu), "reg", NULL);
 	value.val = in_be64(&reg->val);
 
-	return value.spe[*id];
+	return value.spe[spu->spe_id];
 }
 
 static ssize_t spu_show_temp(struct sys_device *sysdev, char *buf)
diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c
index 5eb88346181a..7c0668a9dcc7 100644
--- a/arch/powerpc/platforms/cell/spu_manage.c
+++ b/arch/powerpc/platforms/cell/spu_manage.c
@@ -48,7 +48,7 @@ static u64 __init find_spu_unit_number(struct device_node *spe)
 {
 	const unsigned int *prop;
 	int proplen;
-	prop = of_get_property(spe, "unit-id", &proplen);
+	prop = of_get_property(spe, "physical-id", &proplen);
 	if (proplen == 4)
 		return (u64)*prop;