ALSA: ctxfi - Allow 64bit DMA

emu20kx chips support 64bit address PTE. Allow the DMA bit mask to accept 64bit address, too. Signed-off-by: Takashi Iwai <tiwai@suse.de>
mariux64 · Jun 5, 2009 · 6d74b86 · 6d74b86
1 parent bd05dbd
commit 6d74b86
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/sound/pci/ctxfi/cthw20k1.c b/sound/pci/ctxfi/cthw20k1.c
@@ -15,8 +15,6 @@
  *
  */
 
-#include "cthw20k1.h"
-#include "ct20k1reg.h"
 #include <linux/types.h>
 #include <linux/slab.h>
 #include <linux/pci.h>
@@ -26,8 +24,14 @@
 #include <linux/kernel.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
+#include "cthw20k1.h"
+#include "ct20k1reg.h"
 
-#define CT_XFI_DMA_MASK		DMA_BIT_MASK(32) /* 32 bits */
+#if BITS_PER_LONG == 32
+#define CT_XFI_DMA_MASK		DMA_BIT_MASK(32) /* 32 bit PTE */
+#else
+#define CT_XFI_DMA_MASK		DMA_BIT_MASK(64) /* 64 bit PTE */
+#endif
 
 struct hw20k1 {
 	struct hw hw;