ALSA: usb-audio: add support for Akai MPD16

[safe/jmp/linux-2.6] / lib / div64.c

diff --git a/lib/div64.c b/lib/div64.c
index 689bd76..a111eb8 100644 (file)
--- a/lib/div64.c
+++ b/lib/div64.c
@@ -78,9 +78,10 @@ EXPORT_SYMBOL(div_s64_rem);
 #endif
 
 /* 64bit divisor, dividend and result. dynamic precision */
-uint64_t div64_64(uint64_t dividend, uint64_t divisor)
+#ifndef div64_u64
+u64 div64_u64(u64 dividend, u64 divisor)
 {
-       uint32_t high, d;
+       u32 high, d;
 
        high = divisor >> 32;
        if (high) {
@@ -91,10 +92,19 @@ uint64_t div64_64(uint64_t dividend, uint64_t divisor)
        } else
                d = divisor;
 
-       do_div(dividend, d);
-
-       return dividend;
+       return div_u64(dividend, d);
 }
-EXPORT_SYMBOL(div64_64);
+EXPORT_SYMBOL(div64_u64);
+#endif
 
 #endif /* BITS_PER_LONG == 32 */
+
+/*
+ * Iterative div/mod for use when dividend is not expected to be much
+ * bigger than divisor.
+ */
+u32 iter_div_u64_rem(u64 dividend, u32 divisor, u64 *remainder)
+{
+       return __iter_div_u64_rem(dividend, divisor, remainder);
+}
+EXPORT_SYMBOL(iter_div_u64_rem);