From e3defffe915961cf9c6e1f16486ae83fb7212f29 Mon Sep 17 00:00:00 2001 From: Aubrey Li Date: Mon, 21 May 2007 18:09:11 +0800 Subject: [PATCH] Blackfin arch: ISP1761 doesn't work for USB flash disk ZONE_DMA is required for some drivers subsystem, such as USB/SCSI. Signed-off-by: Aubrey Li Signed-off-by: Bryan Wu Signed-off-by: Linus Torvalds --- arch/blackfin/Kconfig | 4 ++++ arch/blackfin/mm/init.c | 3 ++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index d80e5b1d686e..35b33a44677b 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -25,6 +25,10 @@ config BLACKFIN bool default y +config ZONE_DMA + bool + default y + config BFIN bool default y diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c index 73f72abed432..d6cf1059560d 100644 --- a/arch/blackfin/mm/init.c +++ b/arch/blackfin/mm/init.c @@ -116,7 +116,8 @@ void paging_init(void) { unsigned long zones_size[MAX_NR_ZONES] = { 0, }; - zones_size[ZONE_NORMAL] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT; + zones_size[ZONE_DMA] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT; + zones_size[ZONE_NORMAL] = 0; #ifdef CONFIG_HIGHMEM zones_size[ZONE_HIGHMEM] = 0; #endif -- 2.20.1