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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-11 08:57:47 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-11 08:57:47 -0700 |
commit | 49c355617f603b8e71ec117c1f940152a998528a (patch) | |
tree | 6b5e373003371bbe8c587a9fdda7bc4f0e791b03 /drivers/usb/serial/mos7840.c | |
parent | 991ec02cdca33b03a132a0cacfe6f0aa0be9aa8d (diff) | |
parent | f0e8527726b9e56649b9eafde3bc0fbc4dd2dd47 (diff) | |
download | op-kernel-dev-49c355617f603b8e71ec117c1f940152a998528a.zip op-kernel-dev-49c355617f603b8e71ec117c1f940152a998528a.tar.gz |
Merge branch 'serial-from-alan'
* serial-from-alan: (79 commits)
moxa: prevent opening unavailable ports
imx: serial: use tty_encode_baud_rate to set true rate
imx: serial: add IrDA support to serial driver
imx: serial: use rational library function
lib: isolate rational fractions helper function
imx: serial: handle initialisation failure correctly
imx: serial: be sure to stop xmit upon shutdown
imx: serial: notify higher layers in case xmit IRQ was not called
imx: serial: fix one bit field type
imx: serial: fix whitespaces (no changes in functionality)
tty: use prepare/finish_wait
tty: remove sleep_on
sierra: driver interface blacklisting
sierra: driver urb handling improvements
tty: resolve some sierra breakage
timbuart: Fix the termios logic
serial: Added Timberdale UART driver
tty: Add URL for ttydev queue
devpts: unregister the file system on error
tty: Untangle termios and mm mutex dependencies
...
Diffstat (limited to 'drivers/usb/serial/mos7840.c')
-rw-r--r-- | drivers/usb/serial/mos7840.c | 48 |
1 files changed, 1 insertions, 47 deletions
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 84fb1dc..10b78a3 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -1135,54 +1135,12 @@ static int mos7840_chars_in_buffer(struct tty_struct *tty) } -/************************************************************************ - * - * mos7840_block_until_tx_empty - * - * This function will block the close until one of the following: - * 1. TX count are 0 - * 2. The mos7840 has stopped - * 3. A timeout of 3 seconds without activity has expired - * - ************************************************************************/ -static void mos7840_block_until_tx_empty(struct tty_struct *tty, - struct moschip_port *mos7840_port) -{ - int timeout = HZ / 10; - int wait = 30; - int count; - - while (1) { - - count = mos7840_chars_in_buffer(tty); - - /* Check for Buffer status */ - if (count <= 0) - return; - - /* Block the thread for a while */ - interruptible_sleep_on_timeout(&mos7840_port->wait_chase, - timeout); - - /* No activity.. count down section */ - wait--; - if (wait == 0) { - dbg("%s - TIMEOUT", __func__); - return; - } else { - /* Reset timeout value back to seconds */ - wait = 30; - } - } -} - /***************************************************************************** * mos7840_close * this function is called by the tty driver when a port is closed *****************************************************************************/ -static void mos7840_close(struct tty_struct *tty, - struct usb_serial_port *port, struct file *filp) +static void mos7840_close(struct usb_serial_port *port) { struct usb_serial *serial; struct moschip_port *mos7840_port; @@ -1223,10 +1181,6 @@ static void mos7840_close(struct tty_struct *tty, } } - if (serial->dev) - /* flush and block until tx is empty */ - mos7840_block_until_tx_empty(tty, mos7840_port); - /* While closing port, shutdown all bulk read, write * * and interrupt read if they exists */ if (serial->dev) { |