ARM: OMAP2+: UART: Remove old and unused clocks handling funcs

With runtime adaptation done remove clock_enable/disbale API's
Signed-off-by: NGovindraj.R <govindraj.raja@ti.com>
Signed-off-by: NKevin Hilman <khilman@ti.com>

arch/arm/mach-omap2/serial.c

@@ -56,8 +56,6 @@ struct omap_uart_state {
 	int num;
 	int can_sleep;
 
-	int clocked;
-
 	struct list_head node;
 	struct omap_hwmod *oh;
 	struct platform_device *pdev;
@@ -66,36 +64,8 @@ struct omap_uart_state {
 static LIST_HEAD(uart_list);
 static u8 num_uarts;
 
-static inline void omap_uart_enable_clocks(struct omap_uart_state *uart)
-{
-	if (uart->clocked)
-		return;
-
-	omap_device_enable(uart->pdev);
-	uart->clocked = 1;
-	omap_uart_restore_context(uart);
-}
-
 #ifdef CONFIG_PM
 
-static inline void omap_uart_disable_clocks(struct omap_uart_state *uart)
-{
-	if (!uart->clocked)
-		return;
-
-	omap_uart_save_context(uart);
-	uart->clocked = 0;
-	omap_device_idle(uart->pdev);
-}
-
-static void omap_uart_block_sleep(struct omap_uart_state *uart)
-{
-	omap_uart_enable_clocks(uart);
-
-	omap_uart_smart_idle_enable(uart, 0);
-	uart->can_sleep = 0;
-}
-
 int omap_uart_can_sleep(void)
 {
 	struct omap_uart_state *uart;
@@ -154,11 +124,6 @@ static void omap_uart_enable_wakeup(struct platform_device *pdev, bool enable)
 {}
 static void omap_uart_set_noidle(struct platform_device *pdev) {}
 static void omap_uart_set_forceidle(struct platform_device *pdev) {}
-static void omap_uart_block_sleep(struct omap_uart_state *uart)
-{
-	/* Needed to enable UART clocks when built without CONFIG_PM */
-	omap_uart_enable_clocks(uart);
-}
 #endif /* CONFIG_PM */
 
 #ifdef CONFIG_OMAP_MUX
@@ -407,7 +372,6 @@ void __init omap_serial_init_port(struct omap_board_data *bdata)
 	omap_device_enable(uart->pdev);
 	omap_device_idle(uart->pdev);
 
-	omap_uart_block_sleep(uart);
 	console_unlock();
 
 	if ((cpu_is_omap34xx() || cpu_is_omap44xx()) && bdata->pads)