Remove unused CONFIG_HWFLOW option and associated dead code.

Signed-off-by: David Müller <d.mueller@elsoft.ch>

diff --git a/drivers/serial/serial_s3c24x0.c b/drivers/serial/serial_s3c24x0.c
index 4cc94d9..fb895fd 100644 (file)
--- a/drivers/serial/serial_s3c24x0.c
+++ b/drivers/serial/serial_s3c24x0.c
@@ -65,10 +65,6 @@ DECLARE_GLOBAL_DATA_PTR;
        .puts   = s3serial##port##_puts,                \
 }
 
-#ifdef CONFIG_HWFLOW
-static int hwflow;
-#endif
-
 static void _serial_setbrg(const int dev_index)
 {
        struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
@@ -95,10 +91,6 @@ static int serial_init_dev(const int dev_index)
 {
        struct s3c24x0_uart *uart = s3c24x0_get_base_uart(dev_index);
 
-#ifdef CONFIG_HWFLOW
-       hwflow = 0;     /* turned off by default */
-#endif
-
        /* FIFO enable, Tx/Rx FIFO clear */
        writel(0x07, &uart->ufcon);
        writel(0x0, &uart->umcon);
@@ -111,10 +103,6 @@ static int serial_init_dev(const int dev_index)
         */
        writel(0x245, &uart->ucon);
 
-#ifdef CONFIG_HWFLOW
-       writel(0x1, &uart->umcon);      /* rts up */
-#endif
-
        /* FIXME: This is sooooooooooooooooooo ugly */
 #if defined(CONFIG_ARCH_GTA02_v1) || defined(CONFIG_ARCH_GTA02_v2)
        /* we need auto hw flow control on the gsm and gps port */
@@ -146,24 +134,6 @@ static inline int serial_getc_dev(unsigned int dev_index)
        return _serial_getc(dev_index);
 }
 
-#ifdef CONFIG_HWFLOW
-int hwflow_onoff(int on)
-{
-       switch (on) {
-       case 0:
-       default:
-               break;          /* return current */
-       case 1:
-               hwflow = 1;     /* turn on */
-               break;
-       case -1:
-               hwflow = 0;     /* turn off */
-               break;
-       }
-       return hwflow;
-}
-#endif
-
 /*
  * Output a single byte to the serial port.
  */
@@ -174,11 +144,6 @@ static void _serial_putc(const char c, const int dev_index)
        while (!(readl(&uart->utrstat) & 0x2))
                /* wait for room in the tx FIFO */ ;
 
-#ifdef CONFIG_HWFLOW
-       while (hwflow && !(readl(&uart->umstat) & 0x1))
-               /* Wait for CTS up */ ;
-#endif
-
        writeb(c, &uart->utxh);
 
        /* If \n, also do \r */