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Blackfin arch: ISP1761 doesn't work for USB flash disk

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ZONE_DMA is required for some drivers subsystem, such as USB/SCSI.

Signed-off-by: Aubrey Li <aubrey.li@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Aubrey Li
2007-05-21 18:09:11 +08:00
committed by Linus Torvalds
parent ed2fbf57ea
commit e3defffe91
2 changed files with 6 additions and 1 deletions
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4
arch/blackfin/Kconfig
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@@ -25,6 +25,10 @@ config BLACKFIN
bool bool
default y default y
config ZONE_DMA
bool
default y
config BFIN config BFIN
bool bool
default y default y

3
arch/blackfin/mm/init.c
View File

@@ -116,7 +116,8 @@ void paging_init(void)
{ {
unsigned long zones_size[MAX_NR_ZONES] = { 0, }; 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 #ifdef CONFIG_HIGHMEM
zones_size[ZONE_HIGHMEM] = 0; zones_size[ZONE_HIGHMEM] = 0;
#endif #endif