[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>

1 files changed, 2 insertions, 40 deletions

diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c
index d1929721b0e4..a397e4e17c13 100644
--- a/arch/powerpc/platforms/ps3/spu.c
+++ b/arch/powerpc/platforms/ps3/spu.c
@@ -170,31 +170,6 @@ static int __init construct_spu(struct spu *spu)
         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 void spu_unmap(struct spu *spu)
 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 @@ static int __init setup_areas(struct spu *spu)
 
 fail_ioremap:
         spu_unmap(spu);
-fail_add:
-        return result;
+
+        return -ENOMEM;
 }
 
 static int __init setup_interrupts(struct spu *spu)