make the dma buffer equal to the max dma size

--HG--
extra : convert_revision : 87adee6c2239f67976675c9291dc4fbaa4f67507

diff --git a/dev/ide_disk.hh b/dev/ide_disk.hh
index f743e7a45533307c6566b77038429f392b1f41b9..402ae44eeeb7e764b3437702d11acb9d5dca0ec1 100644 (file)
--- a/dev/ide_disk.hh
+++ b/dev/ide_disk.hh
@@ -43,7 +43,7 @@
 
 #define DMA_BACKOFF_PERIOD 200
 
-#define MAX_DMA_SIZE    (65536)  // 64K
+#define MAX_DMA_SIZE    (131072)  // 128K
 #define MAX_MULTSECT    (128)
 
 #define PRD_BASE_MASK  0xfffffffe