From 44430e0d3916ab6aaf0451fdb811f4f1803b741e Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Tue, 13 Feb 2007 11:46:07 +1100 Subject: [PATCH] [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 Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/ps3/spu.c | 42 ++------------------------------ 1 file changed, 2 insertions(+), 40 deletions(-) diff --git a/arch/powerpc/platforms/ps3/spu.c b/arch/powerpc/platforms/ps3/spu.c index d1929721b0e..a397e4e17c1 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) -- 2.20.1