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path: root/drivers/tty/serial/bfin_uart.c
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Diffstat (limited to 'drivers/tty/serial/bfin_uart.c')
-rw-r--r--drivers/tty/serial/bfin_uart.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/tty/serial/bfin_uart.c b/drivers/tty/serial/bfin_uart.c
index 2e2b2c1cb722..12dceda9db33 100644
--- a/drivers/tty/serial/bfin_uart.c
+++ b/drivers/tty/serial/bfin_uart.c
@@ -223,7 +223,6 @@ static void bfin_serial_enable_ms(struct uart_port *port)
223#ifdef CONFIG_SERIAL_BFIN_PIO 223#ifdef CONFIG_SERIAL_BFIN_PIO
224static void bfin_serial_rx_chars(struct bfin_serial_port *uart) 224static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
225{ 225{
226 struct tty_struct *tty = NULL;
227 unsigned int status, ch, flg; 226 unsigned int status, ch, flg;
228 static struct timeval anomaly_start = { .tv_sec = 0 }; 227 static struct timeval anomaly_start = { .tv_sec = 0 };
229 228
@@ -242,11 +241,9 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
242 return; 241 return;
243 } 242 }
244 243
245 if (!uart->port.state || !uart->port.state->port.tty) 244 if (!uart->port.state)
246 return; 245 return;
247#endif 246#endif
248 tty = uart->port.state->port.tty;
249
250 if (ANOMALY_05000363) { 247 if (ANOMALY_05000363) {
251 /* The BF533 (and BF561) family of processors have a nice anomaly 248 /* The BF533 (and BF561) family of processors have a nice anomaly
252 * where they continuously generate characters for a "single" break. 249 * where they continuously generate characters for a "single" break.
@@ -325,7 +322,7 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
325 uart_insert_char(&uart->port, status, OE, ch, flg); 322 uart_insert_char(&uart->port, status, OE, ch, flg);
326 323
327 ignore_char: 324 ignore_char:
328 tty_flip_buffer_push(tty); 325 tty_flip_buffer_push(&uart->port.state->port);
329} 326}
330 327
331static void bfin_serial_tx_chars(struct bfin_serial_port *uart) 328static void bfin_serial_tx_chars(struct bfin_serial_port *uart)
@@ -426,7 +423,6 @@ static void bfin_serial_dma_tx_chars(struct bfin_serial_port *uart)
426 423
427static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart) 424static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart)
428{ 425{
429 struct tty_struct *tty = uart->port.state->port.tty;
430 int i, flg, status; 426 int i, flg, status;
431 427
432 status = UART_GET_LSR(uart); 428 status = UART_GET_LSR(uart);
@@ -471,7 +467,7 @@ static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart)
471 } 467 }
472 468
473 dma_ignore_char: 469 dma_ignore_char:
474 tty_flip_buffer_push(tty); 470 tty_flip_buffer_push(&uart->port.state->port);
475} 471}
476 472
477void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart) 473void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart)