summaryrefslogtreecommitdiffstats
path: root/drivers/tty/serial/clps711x.c
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2012-05-02 17:07:03 +0200
committerArnd Bergmann <arnd@arndb.de>2012-05-02 17:07:03 +0200
commitced62c33fc434b9d44118c9f35803af8088cc3fe (patch)
tree34d1145899e0e5853c4d5b45162f86bbe46941ea /drivers/tty/serial/clps711x.c
parent3ff80abce7d0d3c1eacda53e73c94a57ade2e0a5 (diff)
parent6838e601e6dc63440fd4315c1c2f3a2ef4ccdd6e (diff)
Merge tag 'imx-cleanup' of git://git.pengutronix.de/git/imx/linux-2.6 into next/cleanup
From: Sascha Hauer <s.hauer@pengutronix.de> ARM: i.MX cleanups for 3.5 * tag 'imx-cleanup' of git://git.pengutronix.de/git/imx/linux-2.6: (5 commits) ARM: mx53: fix pad definitions for MX53_PAD_EIM_D28__I2C1_SDA and MX53_PAD_GPIO_8__CAN1_RXCAN ARM: imx/eukrea_mbimx27-baseboard: fix typo in error message ARM: i.MX51 iomux: add missed definitions for SION-bit and mode for some pads arm: imx: add missing select IMX_HAVE_PLATFORM for MACH_MX35_3DS in Kconfig arm: imx: make various struct sys_timer static Includes an update to 3.4-rc4 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/tty/serial/clps711x.c')
-rw-r--r--drivers/tty/serial/clps711x.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/tty/serial/clps711x.c b/drivers/tty/serial/clps711x.c
index e6c3dbd781d..836fe273123 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;
}