From: Aubrey Li <[email protected]>
ZONE_DMA is required for some drivers subsystem, such as USB/SCSI.
Signed-off-by: Aubrey Li <[email protected]>
Signed-off-by: Bryan Wu <[email protected]>
---
arch/blackfin/Kconfig | 4 ++++
arch/blackfin/mm/init.c | 3 ++-
2 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index d80e5b1..35b33a4 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 73f72ab..d6cf105 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
--
1.5.1.2
-
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