diff options
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/hvc/hvc_console.c | 8 | ||||
| -rw-r--r-- | drivers/tty/n_gsm.c | 4 | ||||
| -rw-r--r-- | drivers/tty/serial/8250.c | 2 | ||||
| -rw-r--r-- | drivers/tty/serial/Kconfig | 2 |
4 files changed, 7 insertions, 9 deletions
diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c index e9cba13..aa84555 100644 --- a/drivers/tty/hvc/hvc_console.c +++ b/drivers/tty/hvc/hvc_console.c @@ -163,8 +163,10 @@ static void hvc_console_print(struct console *co, const char *b, } else { r = cons_ops[index]->put_chars(vtermnos[index], c, i); if (r <= 0) { - /* throw away chars on error */ - i = 0; + /* throw away characters on error + * but spin in case of -EAGAIN */ + if (r != -EAGAIN) + i = 0; } else if (r > 0) { i -= r; if (i > 0) @@ -448,7 +450,7 @@ static int hvc_push(struct hvc_struct *hp) n = hp->ops->put_chars(hp->vtermno, hp->outbuf, hp->n_outbuf); if (n <= 0) { - if (n == 0) { + if (n == 0 || n == -EAGAIN) { hp->do_wakeup = 1; return 0; } diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 19b4ae0..c0d34ad 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -1823,10 +1823,6 @@ static void gsm0_receive(struct gsm_mux *gsm, unsigned char c) break; case GSM_FCS: /* FCS follows the packet */ gsm->received_fcs = c; - if (c == GSM0_SOF) { - gsm->state = GSM_SEARCH; - break; - } gsm_queue(gsm); gsm->state = GSM_SSOF; break; diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c index b4129f5..d32b5bb 100644 --- a/drivers/tty/serial/8250.c +++ b/drivers/tty/serial/8250.c @@ -1107,7 +1107,7 @@ static void autoconfig_16550a(struct uart_8250_port *up) */ DEBUG_AUTOCONF("Xscale "); up->port.type = PORT_XSCALE; - up->capabilities |= UART_CAP_UUE; + up->capabilities |= UART_CAP_UUE | UART_CAP_RTOIE; return; } } else { diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig index 636144c..b3692e6 100644 --- a/drivers/tty/serial/Kconfig +++ b/drivers/tty/serial/Kconfig @@ -1419,7 +1419,7 @@ config SERIAL_SC26XX config SERIAL_SC26XX_CONSOLE bool "Console on SC2681/SC2692 serial port" - depends on SERIAL_SC26XX + depends on SERIAL_SC26XX=y select SERIAL_CORE_CONSOLE help Support for Console on SC2681/SC2692 serial ports. |