diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-04-25 08:59:16 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-25 08:59:16 +0200 |
| commit | 3dbe927b1eddcbd66da1653168e33122aca84f4e (patch) | |
| tree | 2357f4c55156597b1d07b9ea360b07086cd011e4 /drivers/tty/serial/clps711x.c | |
| parent | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff) | |
| parent | 66f75a5d028beaf67c931435fdc3e7823125730c (diff) | |
Merge tag 'v3.4-rc4' into perf/core
Merge v3.4-rc4 - we were on -rc2 before.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/tty/serial/clps711x.c')
| -rw-r--r-- | drivers/tty/serial/clps711x.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/tty/serial/clps711x.c b/drivers/tty/serial/clps711x.c index e6c3dbd781d6..836fe2731234 100644 --- a/drivers/tty/serial/clps711x.c +++ b/drivers/tty/serial/clps711x.c @@ -154,10 +154,9 @@ static irqreturn_t clps711xuart_int_tx(int irq, void *dev_id) port->x_char = 0; return IRQ_HANDLED; } - if (uart_circ_empty(xmit) || uart_tx_stopped(port)) { - clps711xuart_stop_tx(port); - return IRQ_HANDLED; - } + + if (uart_circ_empty(xmit) || uart_tx_stopped(port)) + goto disable_tx_irq; count = port->fifosize >> 1; do { @@ -171,8 +170,11 @@ static irqreturn_t clps711xuart_int_tx(int irq, void *dev_id) if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(port); - if (uart_circ_empty(xmit)) - clps711xuart_stop_tx(port); + if (uart_circ_empty(xmit)) { + disable_tx_irq: + disable_irq_nosync(TX_IRQ(port)); + tx_enabled(port) = 0; + } return IRQ_HANDLED; } |