diff options
Diffstat (limited to 'drivers/serial/bfin_5xx.c')
-rw-r--r-- | drivers/serial/bfin_5xx.c | 15 |
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); |