modify serial driver to avoid some irrecognizable characters

diff --git a/drivers/serial/rk29_serial.c b/drivers/serial/rk29_serial.c
index 7a80de0fa7f381b33e88e612016dd3ee2f59d39a..033f11799b505306cc8a92d087378f61fafdb568 100755 (executable)
--- a/drivers/serial/rk29_serial.c
+++ b/drivers/serial/rk29_serial.c
@@ -260,7 +260,7 @@ static void rk29_rx_chars(struct uart_port *port)
                        if (uart_handle_break(port))
                                continue;
                }
-#if 0
+#if 1
                if (uart_handle_sysrq_char(port, ch))
                {
                        continue;
@@ -303,13 +303,13 @@ static irqreturn_t rk29_uart_interrupt(int irq, void *dev_id)
  */
 static void rk29_serial_shutdown(struct uart_port *port)
 {
-   struct rk29_port *rk29_port = UART_TO_RK29(port);
-   rk29_uart_write(port,0x00,UART_IER);
+       struct rk29_port *rk29_port = UART_TO_RK29(port);
+       rk29_uart_write(port,0x00,UART_IER);
        rk29_uart_write(port, UART_FCR_FIFO_ENABLE |
-                       UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT, UART_FCR);
-       rk29_uart_write(port, 0, UART_FCR);
-   clk_disable(rk29_port->clk);
-   free_irq(port->irq, port);
+               UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT, UART_FCR);
+       //rk29_uart_write(port, 0, UART_FCR);
+       clk_disable(rk29_port->clk);
+       free_irq(port->irq, port);
 }
 /*
  * Perform initialization and enable port for reception