[POWERPC] powerpc: Remove SPU struct pages for PS3
Struct page are no longer needed for SPUs, so let's not create them
on PS3 anymore.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c
index d192972..a397e4e 100644
--- a/arch/powerpc/platforms/ps3/spu.c
+++ b/arch/powerpc/platforms/ps3/spu.c
@@ -170,31 +170,6 @@
return result;
}
-static int __init add_spu_pages(unsigned long start_addr, unsigned long size)
-{
- int result;
- unsigned long start_pfn;
- unsigned long nr_pages;
- struct pglist_data *pgdata;
- struct zone *zone;
-
- BUG_ON(!mem_init_done);
-
- start_pfn = start_addr >> PAGE_SHIFT;
- nr_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
-
- pgdata = NODE_DATA(0);
- zone = pgdata->node_zones;
-
- result = __add_pages(zone, start_pfn, nr_pages);
-
- if (result)
- pr_debug("%s:%d: __add_pages failed: (%d)\n",
- __func__, __LINE__, result);
-
- return result;
-}
-
static void spu_unmap(struct spu *spu)
{
iounmap(spu->priv2);
@@ -206,19 +181,6 @@
static int __init setup_areas(struct spu *spu)
{
struct table {char* name; unsigned long addr; unsigned long size;};
- int result;
-
- /* setup pages */
-
- result = add_spu_pages(spu->local_store_phys, LS_SIZE);
- if (result)
- goto fail_add;
-
- result = add_spu_pages(spu->problem_phys, sizeof(struct spu_problem));
- if (result)
- goto fail_add;
-
- /* ioremap */
spu_pdata(spu)->shadow = __ioremap(
spu_pdata(spu)->shadow_addr, sizeof(struct spe_shadow),
@@ -260,8 +222,8 @@
fail_ioremap:
spu_unmap(spu);
-fail_add:
- return result;
+
+ return -ENOMEM;
}
static int __init setup_interrupts(struct spu *spu)