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 <aubrey.li@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
git-mirror · May 21, 2007 · e3defff · e3defff
1 parent ed2fbf5
commit e3defff
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 1 deletion.
diff --git 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
@@ -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