S3C64XX: remove broken HWFLOW support from the serial driver

As noted by Harald Welte, HWFLOW support in the S3C64XX serial driver is
broken and currently unused. Remove it.

Signed-off-by: Guennadi Liakhovetski <lg@denx.de>

diff --git a/drivers/serial/s3c64xx.c b/drivers/serial/s3c64xx.c
index ea6eb4b..9d8fcb9 100644 (file)
--- a/drivers/serial/s3c64xx.c
+++ b/drivers/serial/s3c64xx.c
@@ -119,22 +119,6 @@ int serial_getc(void)
        return uart->URXH & 0xff;
 }
 
-#ifdef CONFIG_HWFLOW
-static int hwflow;             /* turned off by default */
-int hwflow_onoff(int on)
-{
-       switch (on) {
-       case 1:
-               hwflow = 1;     /* turn on */
-               break;
-       case -1:
-               hwflow = 0;     /* turn off */
-               break;
-       }
-       return hwflow;
-}
-#endif
-
 #ifdef CONFIG_MODEM_SUPPORT
 static int be_quiet;
 void disable_putc(void)
@@ -164,11 +148,6 @@ void serial_putc(const char c)
        /* wait for room in the tx FIFO */
        while (!(uart->UTRSTAT & 0x2));
 
-#ifdef CONFIG_HWFLOW
-       /* Wait for CTS up */
-       while (hwflow && !(uart->UMSTAT & 0x1));
-#endif
-
        uart->UTXH = c;
 
        /* If \n, also do \r */