Staging: et131x: Fix the add_10bit macro

Duh.. we need to preserve the wrap bit when adding. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
git-mirror · Oct 14, 2009 · 317c68c · 317c68c
1 parent b9d2dde
commit 317c68c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/staging/et131x/et1310_address_map.h b/drivers/staging/et131x/et1310_address_map.h
@@ -223,7 +223,7 @@ typedef union _TXDMA_PR_NUM_DES_t {
 
 extern inline void add_10bit(u32 *v, int n)
 {
-	*v = INDEX10(*v + n);
+	*v = INDEX10(*v + n) | (*v & ET_DMA10_WRAP);
 }
 
 /*