math64: add missing kernel-doc notation

Add missing kernel-doc notation (function parameters) for several
div() functions.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

include/linux/math64.h

@@ -11,6 +11,11 @@
 
 /**
  * div_u64_rem - unsigned 64bit divide with 32bit divisor with remainder
+ * @dividend: unsigned 64bit dividend
+ * @divisor: unsigned 32bit divisor
+ * @remainder: pointer to unsigned 32bit remainder
+ *
+ * Return: sets ``*remainder``, then returns dividend / divisor
  *
  * This is commonly provided by 32bit archs to provide an optimized 64bit
  * divide.
@@ -23,6 +28,11 @@ static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
 
 /**
  * div_s64_rem - signed 64bit divide with 32bit divisor with remainder
+ * @dividend: signed 64bit dividend
+ * @divisor: signed 32bit divisor
+ * @remainder: pointer to signed 32bit remainder
+ *
+ * Return: sets ``*remainder``, then returns dividend / divisor
  */
 static inline s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder)
 {
@@ -32,6 +42,11 @@ static inline s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder)
 
 /**
  * div64_u64_rem - unsigned 64bit divide with 64bit divisor and remainder
+ * @dividend: unsigned 64bit dividend
+ * @divisor: unsigned 64bit divisor
+ * @remainder: pointer to unsigned 64bit remainder
+ *
+ * Return: sets ``*remainder``, then returns dividend / divisor
  */
 static inline u64 div64_u64_rem(u64 dividend, u64 divisor, u64 *remainder)
 {
@@ -41,6 +56,10 @@ static inline u64 div64_u64_rem(u64 dividend, u64 divisor, u64 *remainder)
 
 /**
  * div64_u64 - unsigned 64bit divide with 64bit divisor
+ * @dividend: unsigned 64bit dividend
+ * @divisor: unsigned 64bit divisor
+ *
+ * Return: dividend / divisor
  */
 static inline u64 div64_u64(u64 dividend, u64 divisor)
 {
@@ -49,6 +68,10 @@ static inline u64 div64_u64(u64 dividend, u64 divisor)
 
 /**
  * div64_s64 - signed 64bit divide with 64bit divisor
+ * @dividend: signed 64bit dividend
+ * @divisor: signed 64bit divisor
+ *
+ * Return: dividend / divisor
  */
 static inline s64 div64_s64(s64 dividend, s64 divisor)
 {
@@ -88,6 +111,8 @@ extern s64 div64_s64(s64 dividend, s64 divisor);
 
 /**
  * div_u64 - unsigned 64bit divide with 32bit divisor
+ * @dividend: unsigned 64bit dividend
+ * @divisor: unsigned 32bit divisor
  *
  * This is the most common 64bit divide and should be used if possible,
  * as many 32bit archs can optimize this variant better than a full 64bit
@@ -103,6 +128,8 @@ static inline u64 div_u64(u64 dividend, u32 divisor)
 
 /**
  * div_s64 - signed 64bit divide with 32bit divisor
+ * @dividend: signed 64bit dividend
+ * @divisor: signed 32bit divisor
  */
 #ifndef div_s64
 static inline s64 div_s64(s64 dividend, s32 divisor)