doc: replace @return by Return:

Sphinx expects Return: and not @return to indicate a return value.

find . -name '*.c' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;

find . -name '*.h' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c
index 18c19db..77c8ad9 100644
--- a/arch/arm/mach-tegra/clock.c
+++ b/arch/arm/mach-tegra/clock.c
@@ -243,7 +243,7 @@
  * @param divider_bits	number of divider bits (8 or 16)
  * @param parent_rate	clock rate of parent clock in Hz
  * @param rate		required clock rate for this clock
- * @return divider which should be used
+ * Return: divider which should be used
  */
 static int clk_get_divider(unsigned divider_bits, unsigned long parent_rate,
 			   unsigned long rate)
@@ -297,7 +297,7 @@
  *
  * @param parent_rate	clock rate of parent clock in Hz
  * @param divider which should be used in 7.1 format
- * @return effective clock rate of peripheral
+ * Return: effective clock rate of peripheral
  */
 static unsigned long get_rate_from_divider(unsigned long parent_rate,
 					   int divider)
@@ -365,7 +365,7 @@
  * @param rate		required clock rate for this clock
  * @param extra_div	value for the second-stage divisor (not set if this
  *			function returns -1.
- * @return divider which should be used, or -1 if nothing is valid
+ * Return: divider which should be used, or -1 if nothing is valid
  *
  */
 static int find_best_divider(unsigned divider_bits, unsigned long parent_rate,
@@ -403,7 +403,7 @@
  * @param source	Source number (0-3 or 0-7)
  * @param mux_bits	Number of mux bits (2 or 4)
  * @param divider	Required divider in 7.1 or 15.1 format
- * @return 0 if ok, -1 on error (requesting a parent clock which is not valid
+ * Return: 0 if ok, -1 on error (requesting a parent clock which is not valid
  *		for this peripheral)
  */
 static int adjust_periph_pll(enum periph_id periph_id, int source,
@@ -586,7 +586,7 @@
  * @param m PLL input divider(DIVN)
  * @param p post divider(DIVP)
  * @param cpcon base PLL charge pump(CPCON)
- * @return 0 if ok, -1 on error (the requested PLL is incorrect and cannot
+ * Return: 0 if ok, -1 on error (the requested PLL is incorrect and cannot
  *		be overridden), 1 if PLL is already correct
  */
 int clock_set_rate(enum clock_id clkid, u32 n, u32 m, u32 p, u32 cpcon)