diff options
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/goldfish.c | 2 | ||||
| -rw-r--r-- | drivers/tty/n_gsm.c | 2 | ||||
| -rw-r--r-- | drivers/tty/serial/8250/8250_port.c | 2 | ||||
| -rw-r--r-- | drivers/tty/serial/qcom_geni_serial.c | 1 | ||||
| -rw-r--r-- | drivers/tty/serial/serial_core.c | 9 | ||||
| -rw-r--r-- | drivers/tty/sysrq.c | 2 |
6 files changed, 11 insertions, 7 deletions
diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c index c7968aecd870..d02de3f0326f 100644 --- a/drivers/tty/goldfish.c +++ b/drivers/tty/goldfish.c @@ -426,7 +426,7 @@ static int goldfish_tty_remove(struct platform_device *pdev) tty_unregister_device(goldfish_tty_driver, qtty->console.index); iounmap(qtty->base); qtty->base = NULL; - free_irq(qtty->irq, pdev); + free_irq(qtty->irq, qtty); tty_port_destroy(&qtty->port); goldfish_tty_current_line_count--; if (goldfish_tty_current_line_count == 0) diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 137eebdcfda9..fd4d24f61c46 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -455,7 +455,7 @@ static void gsm_hex_dump_bytes(const char *fname, const u8 *data, return; } - prefix = kasprintf(GFP_KERNEL, "%s: ", fname); + prefix = kasprintf(GFP_ATOMIC, "%s: ", fname); if (!prefix) return; print_hex_dump(KERN_INFO, prefix, DUMP_PREFIX_OFFSET, 16, 1, data, len, diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 78b6dedc43e6..8f32fe9e149e 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -1517,6 +1517,8 @@ static inline void __stop_tx(struct uart_8250_port *p) unsigned char lsr = serial_in(p, UART_LSR); u64 stop_delay = 0; + p->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS; + if (!(lsr & UART_LSR_THRE)) return; /* diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 4733a233bd0c..f8f950641ad9 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -1306,6 +1306,7 @@ static const struct uart_ops qcom_geni_console_pops = { .stop_tx = qcom_geni_serial_stop_tx, .start_tx = qcom_geni_serial_start_tx, .stop_rx = qcom_geni_serial_stop_rx, + .start_rx = qcom_geni_serial_start_rx, .set_termios = qcom_geni_serial_set_termios, .startup = qcom_geni_serial_startup, .request_port = qcom_geni_serial_request_port, diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 9a85b41caa0a..338ebadfd44b 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2214,11 +2214,12 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport) /* * Nothing to do if the console is not suspending * except stop_rx to prevent any asynchronous data - * over RX line. Re-start_rx, when required, is - * done by set_termios in resume sequence + * over RX line. However ensure that we will be + * able to Re-start_rx later. */ if (!console_suspend_enabled && uart_console(uport)) { - uport->ops->stop_rx(uport); + if (uport->ops->start_rx) + uport->ops->stop_rx(uport); goto unlock; } @@ -2310,6 +2311,8 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport) if (console_suspend_enabled) uart_change_pm(state, UART_PM_STATE_ON); uport->ops->set_termios(uport, &termios, NULL); + if (!console_suspend_enabled && uport->ops->start_rx) + uport->ops->start_rx(uport); if (console_suspend_enabled) console_start(uport->cons); } diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c index 18e623325887..d2b2720db6ca 100644 --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -581,7 +581,6 @@ void __handle_sysrq(int key, bool check_mask) rcu_sysrq_start(); rcu_read_lock(); - printk_prefer_direct_enter(); /* * Raise the apparent loglevel to maximum so that the sysrq header * is shown to provide the user with positive feedback. We do not @@ -623,7 +622,6 @@ void __handle_sysrq(int key, bool check_mask) pr_cont("\n"); console_loglevel = orig_log_level; } - printk_prefer_direct_exit(); rcu_read_unlock(); rcu_sysrq_end(); |