diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-18 16:57:53 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-18 16:57:53 -0700 |
commit | 575a2929815bca197983a22fe6d072534d219be4 (patch) | |
tree | 77960b02f5ff4c43c29152119f82658c9bbd0b2d /drivers/tty/serial/serial_core.c | |
parent | 7e55f81ecf592d269b9430d9c06db509fc3f19f9 (diff) | |
parent | 12de375ec493ab1767d4a07dde823e63ae5edc21 (diff) |
Merge tag 'tty-3.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are a number of small tty/serial driver fixes for 3.15-rc2. Also
in here are some Documentation file removals for drivers that we
removed a long time ago, no need to keep it around any longer.
All of these have been in linux-next for a bit"
* tag 'tty-3.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "serial: 8250, disable "too much work" messages"
serial: amba-pl011: fix regression, causing an Oops on rmmod
tty: Fix help text of SYNCLINK_CS
tty: fix memleak in alloc_pid
ttyprintk: Allow built as a module
ttyprintk: Fix wrong tty_unregister_driver() call in the error path
serial: 8250, disable "too much work" messages
Documentation/serial: Delete obsolete driver documentation
serial: omap: Fix missing pm_runtime_resume handling by simplifying code
serial_core: Fix pm imbalance on unbind
serial: pl011: change Rx burst size to half of trigger level
serial: timberdale: Depend on X86_32
serial: st-asc: Fix SysRq char handling
Revert "serial: clps711x: Give a chance to perform useful tasks during wait loop"
serial_core: Fix conditional start_tx on ring buffer not empty
serial: efm32: use $vendor,$device scheme for compatible string
serial: omap: free the wakeup settings in remove
Diffstat (limited to 'drivers/tty/serial/serial_core.c')
-rw-r--r-- | drivers/tty/serial/serial_core.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 2cf5649a6dc0..f26834d262b3 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -89,8 +89,7 @@ static void __uart_start(struct tty_struct *tty) struct uart_state *state = tty->driver_data; struct uart_port *port = state->uart_port; - if (!uart_circ_empty(&state->xmit) && state->xmit.buf && - !tty->stopped && !tty->hw_stopped) + if (!tty->stopped && !tty->hw_stopped) port->ops->start_tx(port); } @@ -1452,6 +1451,8 @@ static void uart_hangup(struct tty_struct *tty) clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags); spin_unlock_irqrestore(&port->lock, flags); tty_port_tty_set(port, NULL); + if (!uart_console(state->uart_port)) + uart_change_pm(state, UART_PM_STATE_OFF); wake_up_interruptible(&port->open_wait); wake_up_interruptible(&port->delta_msr_wait); } |