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Diffstat (limited to 'drivers/serial/bfin_5xx.c')
-rw-r--r--drivers/serial/bfin_5xx.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 318d69dce8e..f9b5a72e261 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -174,10 +174,10 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
return;
}
- if (!uart->port.info || !uart->port.info->tty)
+ if (!uart->port.info || !uart->port.info->port.tty)
return;
#endif
- tty = uart->port.info->tty;
+ tty = uart->port.info->port.tty;
if (ANOMALY_05000363) {
/* The BF533 (and BF561) family of processors have a nice anomaly
@@ -401,9 +401,11 @@ static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart)
else
flg = TTY_NORMAL;
- for (i = uart->rx_dma_buf.tail; i != uart->rx_dma_buf.head; i++) {
+ for (i = uart->rx_dma_buf.tail; ; i++) {
if (i >= UART_XMIT_SIZE)
i = 0;
+ if (i == uart->rx_dma_buf.head)
+ break;
if (!uart_handle_sysrq_char(&uart->port, uart->rx_dma_buf.buf[i]))
uart_insert_char(&uart->port, status, OE,
uart->rx_dma_buf.buf[i], flg);
@@ -415,7 +417,8 @@ static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart)
void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart)
{
- int x_pos, pos, flags;
+ int x_pos, pos;
+ unsigned long flags;
spin_lock_irqsave(&uart->port.lock, flags);
@@ -757,7 +760,7 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios,
}
baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16);
- quot = uart_get_divisor(port, baud);
+ quot = uart_get_divisor(port, baud) - ANOMALY_05000230;
spin_lock_irqsave(&uart->port.lock, flags);
UART_SET_ANOMALY_THRESHOLD(uart, USEC_PER_SEC / baud * 15);
@@ -1088,7 +1091,7 @@ static void
bfin_serial_console_write(struct console *co, const char *s, unsigned int count)
{
struct bfin_serial_port *uart = &bfin_serial_ports[co->index];
- int flags = 0;
+ unsigned long flags;
spin_lock_irqsave(&uart->port.lock, flags);
uart_console_write(&uart->port, s, count, bfin_serial_console_putchar);