From: luowei <lw@rock-chips.com>
Date: Mon, 18 Apr 2011 04:54:07 +0000 (+0800)
Subject: modify serial driver to avoid some irrecognizable characters
X-Git-Tag: firefly_0821_release~10470
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=290a1a8cbfd5ee5324d19ba0d80ce1d0641daed2;p=firefly-linux-kernel-4.4.55.git

modify serial driver to avoid some irrecognizable characters
---

diff --git a/drivers/serial/rk29_serial.c b/drivers/serial/rk29_serial.c
index 7a80de0fa7f3..033f11799b50 100755
--- 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