serial: arm: Implement CONFIG_SERIAL_MULTI into altera_jtag serial driver

[oweals/u-boot.git] / drivers / serial / opencores_yanu.c

diff --git a/drivers/serial/opencores_yanu.c b/drivers/serial/opencores_yanu.c
index f18f7f444e119b5692759ce06c9e7ed1b38f581f..f3830112aa61e388a54fc340b9d027af1075e627 100644 (file)
--- a/drivers/serial/opencores_yanu.c
+++ b/drivers/serial/opencores_yanu.c
@@ -69,7 +69,7 @@ void serial_setbrg (void)
 #else
 
 void serial_setbrg (void)
-{      
+{
        int n, k;
        const unsigned max_uns = 0xFFFFFFFF;
        unsigned best_n, best_m, baud;
@@ -114,12 +114,14 @@ int serial_init (void)
            YANU_ACTION_RFE | YANU_ACTION_RFIFO_CLEAR | YANU_ACTION_TFIFO_CLEAR;
 
        writel(action, &uart->action);
-       
-       /*  control register cleanup */
-       /* no interrupts enabled */
-       /* one stop bit */
-       /* hardware flow control disabled */
-       /* 8 bits */
+
+       /*
+        * control register cleanup
+        * no interrupts enabled
+        * one stop bit
+        * hardware flow control disabled
+        * 8 bits
+        */
        control = (0x7 << YANU_CONTROL_BITS_POS);
        /* enven parity just to be clean */
        control |= YANU_CONTROL_PAREVEN;
@@ -146,7 +148,7 @@ void serial_putc (char c)
 
        if (c == '\n')
                serial_putc ('\r');
-       
+
        while (1) {
                status = readl(&uart->status);
                tx_chars = (status>>YANU_TFIFO_CHARS_POS)
@@ -174,13 +176,13 @@ int serial_tstc(void)
        status = readl(&uart->status);
        return (((status >> YANU_RFIFO_CHARS_POS) &
                 ((1 << YANU_RFIFO_CHARS_N) - 1)) > 0);
-}      
+}
 
 int serial_getc (void)
 {
        while (serial_tstc() == 0)
                WATCHDOG_RESET ();
-       
+
        /* first we pull the char */
        writel(YANU_ACTION_RFIFO_PULL, &uart->action);