[PATCH] libata-ncq: add NCQ related ATA/libata constants and macros

[linux-2.6] / include / linux / dma-mapping.h

diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index a8731062a74cc1fbc06a3b6bb8b77c78f01fc284..ff61817082fa80271a24f4b2ad70623c013dfc26 100644 (file)
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -21,6 +21,7 @@ enum dma_data_direction {
 #define DMA_30BIT_MASK 0x000000003fffffffULL
 #define DMA_29BIT_MASK 0x000000001fffffffULL
 #define DMA_28BIT_MASK 0x000000000fffffffULL
+#define DMA_24BIT_MASK 0x0000000000ffffffULL
 
 #include <asm/dma-mapping.h>