[POWERPC] spu_base: fix initialisation on systems with no SPEs
This change fixes the case where spu_base and spufs are initialised on a
system with no SPEs - unconditionally create the spu_lists so spu_alloc
doesn't explode, and check for spu_management ops before starting spufs.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
arch/powerpc/platforms/cell/spu_base.c | 7 ++++---
arch/powerpc/platforms/cell/spufs/inode.c | 5 +++++
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index 2e8aa94..8086eb1 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -36,6 +36,8 @@
#include <asm/xmon.h>
const struct spu_management_ops *spu_management_ops;
+EXPORT_SYMBOL_GPL(spu_management_ops);
+
const struct spu_priv1_ops *spu_priv1_ops;
static struct list_head spu_list[MAX_NUMNODES];
@@ -589,6 +591,9 @@
{
int i, ret = 0;
+ for (i = 0; i < MAX_NUMNODES; i++)
+ INIT_LIST_HEAD(&spu_list[i]);
+
if (!spu_management_ops)
goto out;
@@ -597,9 +602,6 @@
if (ret)
goto out;
- for (i = 0; i < MAX_NUMNODES; i++)
- INIT_LIST_HEAD(&spu_list[i]);
-
ret = spu_enumerate_spus(create_spu);
if (ret) {