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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 15:03:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 15:03:42 -0700
commitfc385c313275b114bc6ad36e60c5177d63250548 (patch)
tree3436184ec3af11e6506df5233889700a74427055 /drivers/usb/class
parenta92b166e6b8c3c0037493690b2800b0b0dd92063 (diff)
parent235dae5d094c415fcf0fc79fa637f1901bc8afe2 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6: (68 commits) U6715 16550A serial driver support Char: nozomi, set tty->driver_data appropriately Char: nozomi, fix tty->count counting serial: max3107: Fix gpiolib support hsu: call PCI pm hooks in suspend/resume function hsu: some code cleanup hsu: add a periodic timer to check dma rx channel hsu: driver for Medfield High Speed UART device mxser: remove unnesesary NULL check serial: add support for OX16PCI958 card serial: 68328serial.c: remove dead (ALMA_ANS | DRAGONIXVZ | M68EZ328ADS) timbuart: use __devinit and __devexit macros for probe and remove serial: MMIO32 support for 8250_early.c serial: mcf: don't take spinlocks in already protected functions serial: general fixes in the serial_rs485 structure serial: fix missing bit coverage of ASYNC_FLAGS serial: "altera_uart: simplify altera_uart_console_putc()" checkpatch fixes serial: crisv10: formatting of pointers in printk() vt: Fix warning: statement with no effect due to vt_kern.h tty_io: remove casts from void* ...
Diffstat (limited to 'drivers/usb/class')
-rw-r--r--drivers/usb/class/cdc-acm.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 89d260d6b031..1833b3a71515 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -636,19 +636,13 @@ static void acm_tty_unregister(struct acm *acm)
static int acm_tty_chars_in_buffer(struct tty_struct *tty);
-static void acm_port_down(struct acm *acm, int drain)
+static void acm_port_down(struct acm *acm)
{
int i, nr = acm->rx_buflimit;
mutex_lock(&open_mutex);
if (acm->dev) {
usb_autopm_get_interface(acm->control);
acm_set_control(acm, acm->ctrlout = 0);
- /* try letting the last writes drain naturally */
- if (drain) {
- wait_event_interruptible_timeout(acm->drain_wait,
- (ACM_NW == acm_wb_is_avail(acm)) || !acm->dev,
- ACM_CLOSE_TIMEOUT * HZ);
- }
usb_kill_urb(acm->ctrlurb);
for (i = 0; i < ACM_NW; i++)
usb_kill_urb(acm->wb[i].urb);
@@ -664,7 +658,7 @@ static void acm_tty_hangup(struct tty_struct *tty)
{
struct acm *acm = tty->driver_data;
tty_port_hangup(&acm->port);
- acm_port_down(acm, 0);
+ acm_port_down(acm);
}
static void acm_tty_close(struct tty_struct *tty, struct file *filp)
@@ -685,7 +679,7 @@ static void acm_tty_close(struct tty_struct *tty, struct file *filp)
mutex_unlock(&open_mutex);
return;
}
- acm_port_down(acm, 0);
+ acm_port_down(acm);
tty_port_close_end(&acm->port, tty);
tty_port_tty_set(&acm->port, NULL);
}