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| author |   Arnd Bergmann <arnd@arndb.de> | 2012-07-12 17:55:40 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-07-12 17:55:40 +0200 |
| commit | 9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e (patch) | |
| tree | 2b628ebdaeb63603d90c92e78bc5dd668856b61d /drivers/usb/class/cdc-acm.c | |
| parent | Merge branch 'for-3.6/defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/defconfig (diff) | |
| parent | ARM: imx_v4_v5_defconfig: update features (diff) | |
| download | wireguard-linux-9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e.tar.xz wireguard-linux-9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e.zip | |
Merge tag 'imx-defconfig' of git://git.pengutronix.de/git/imx/linux-2.6 into next/defconfig
From Sascha Hauer <s.hauer@pengutronix.de>:
ARM i.MX defconfig updates for v3.6
* tag 'imx-defconfig' of git://git.pengutronix.de/git/imx/linux-2.6:
ARM: imx_v4_v5_defconfig: update features
ARM: imx_v6_v7_defconfig: update features
Includes an update to v3.5-rc5
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to '')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index f2a120eea9d4..36a2a0b7b82c 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -567,6 +567,14 @@ static int acm_port_activate(struct tty_port *port, struct tty_struct *tty) usb_autopm_put_interface(acm->control); + /* + * Unthrottle device in case the TTY was closed while throttled. + */ + spin_lock_irq(&acm->read_lock); + acm->throttled = 0; + acm->throttle_req = 0; + spin_unlock_irq(&acm->read_lock); + if (acm_submit_read_urbs(acm, GFP_KERNEL)) goto error_submit_read_urbs; |