Blackfin Serial Driver: macro away the IER differences between processors

[safe/jmp/linux-2.6] / drivers / serial / bfin_5xx.c

diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 8a2f6a1..869c99a 100644 (file)
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -65,9 +65,6 @@ static void bfin_serial_stop_tx(struct uart_port *port)
 {
        struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
        struct circ_buf *xmit = &uart->port.info->xmit;
-#if !defined(CONFIG_BF54x) && !defined(CONFIG_SERIAL_BFIN_DMA)
-       unsigned short ier;
-#endif
 
        while (!(UART_GET_LSR(uart) & TEMT))
                cpu_relax();
@@ -82,12 +79,8 @@ static void bfin_serial_stop_tx(struct uart_port *port)
 #ifdef CONFIG_BF54x
        /* Clear TFI bit */
        UART_PUT_LSR(uart, TFI);
-       UART_CLEAR_IER(uart, ETBEI);
-#else
-       ier = UART_GET_IER(uart);
-       ier &= ~ETBEI;
-       UART_PUT_IER(uart, ier);
 #endif
+       UART_CLEAR_IER(uart, ETBEI);
 #endif
 }
 
@@ -102,14 +95,7 @@ static void bfin_serial_start_tx(struct uart_port *port)
        if (uart->tx_done)
                bfin_serial_dma_tx_chars(uart);
 #else
-#ifdef CONFIG_BF54x
        UART_SET_IER(uart, ETBEI);
-#else
-       unsigned short ier;
-       ier = UART_GET_IER(uart);
-       ier |= ETBEI;
-       UART_PUT_IER(uart, ier);
-#endif
        bfin_serial_tx_chars(uart);
 #endif
 }
@@ -120,21 +106,10 @@ static void bfin_serial_start_tx(struct uart_port *port)
 static void bfin_serial_stop_rx(struct uart_port *port)
 {
        struct bfin_serial_port *uart = (struct bfin_serial_port *)port;
-#ifdef CONFIG_KGDB_UART
-       if (uart->port.line != CONFIG_KGDB_UART_PORT) {
+#ifdef CONFIG_KGDB_UART
+       if (uart->port.line != CONFIG_KGDB_UART_PORT)
 #endif
-#ifdef CONFIG_BF54x
        UART_CLEAR_IER(uart, ERBFI);
-#else
-       unsigned short ier;
-
-       ier = UART_GET_IER(uart);
-       ier &= ~ERBFI;
-       UART_PUT_IER(uart, ier);
-#endif
-#ifdef CONFIG_KGDB_UART
-       }
-#endif
 }
 
 /*
@@ -208,9 +183,6 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
        struct tty_struct *tty = uart->port.info->tty;
        unsigned int status, ch, flg;
        static struct timeval anomaly_start = { .tv_sec = 0 };
-#ifdef CONFIG_KGDB_UART
-       struct pt_regs *regs = get_irq_regs();
-#endif
 
        status = UART_GET_LSR(uart);
        UART_CLEAR_LSR(uart);
@@ -220,6 +192,7 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
 
 #ifdef CONFIG_KGDB_UART
        if (uart->port.line == CONFIG_KGDB_UART_PORT) {
+               struct pt_regs *regs = get_irq_regs();
                if (uart->port.cons->index == CONFIG_KGDB_UART_PORT && ch == 0x1) { /* Ctrl + A */
                        kgdb_breakkey_pressed(regs);
                        return;
@@ -391,7 +364,6 @@ static void bfin_serial_do_work(struct work_struct *work)
 static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart)
 {
        struct circ_buf *xmit = &uart->port.info->xmit;
-       unsigned short ier;
 
        uart->tx_done = 0;
 
@@ -429,13 +401,7 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart)
        set_dma_x_modify(uart->tx_dma_channel, 1);
        enable_dma(uart->tx_dma_channel);
 
-#ifdef CONFIG_BF54x
        UART_SET_IER(uart, ETBEI);
-#else
-       ier = UART_GET_IER(uart);
-       ier |= ETBEI;
-       UART_PUT_IER(uart, ier);
-#endif
 }
 
 static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart)
@@ -513,19 +479,12 @@ static irqreturn_t bfin_serial_dma_tx_int(int irq, void *dev_id)
 {
        struct bfin_serial_port *uart = dev_id;
        struct circ_buf *xmit = &uart->port.info->xmit;
-       unsigned short ier;
 
        spin_lock(&uart->port.lock);
        if (!(get_dma_curr_irqstat(uart->tx_dma_channel)&DMA_RUN)) {
                disable_dma(uart->tx_dma_channel);
                clear_dma_irqstat(uart->tx_dma_channel);
-#ifdef CONFIG_BF54x
                UART_CLEAR_IER(uart, ETBEI);
-#else
-               ier = UART_GET_IER(uart);
-               ier &= ~ETBEI;
-               UART_PUT_IER(uart, ier);
-#endif
                xmit->tail = (xmit->tail + uart->tx_count) & (UART_XMIT_SIZE - 1);
                uart->port.icount.tx += uart->tx_count;
 
@@ -701,7 +660,6 @@ static int bfin_serial_startup(struct uart_port *port)
 # endif
        }
 
-
        if (request_irq
            (uart->port.irq+1, bfin_serial_tx_int, IRQF_DISABLED,
             "BFIN_UART_TX", uart)) {
@@ -710,11 +668,7 @@ static int bfin_serial_startup(struct uart_port *port)
                return -EBUSY;
        }
 #endif
-#ifdef CONFIG_BF54x
        UART_SET_IER(uart, ERBFI);
-#else
-       UART_PUT_IER(uart, UART_GET_IER(uart) | ERBFI);
-#endif
        return 0;
 }
 
@@ -1290,11 +1244,7 @@ static int __init bfin_serial_init(void)
                request_irq(uart->port.irq, bfin_serial_rx_int,
                        IRQF_DISABLED, "BFIN_UART_RX", uart);
                pr_info("Request irq for kgdb uart port\n");
-#ifdef CONFIG_BF54x
                UART_SET_IER(uart, ERBFI);
-#else
-               UART_PUT_IER(uart, UART_GET_IER(uart) | ERBFI);
-#endif
                SSYNC();
                t.c_cflag = CS8|B57600;
                t.c_iflag = 0;