summaryrefslogtreecommitdiff
path: root/drivers/usb/class/cdc-acm.c
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2012-07-12 17:55:40 +0200
committerArnd Bergmann <arnd@arndb.de>2012-07-12 17:55:40 +0200
commit9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e (patch)
tree2b628ebdaeb63603d90c92e78bc5dd668856b61d /drivers/usb/class/cdc-acm.c
parent8c203360a751ecbf876a8324e02c1dcbcc5dd548 (diff)
parent34ae0dadb4e99e8177f9785e069e9cca636ef8c1 (diff)
downloadolio-linux-3.10-9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e.tar.xz
olio-linux-3.10-9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e.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 'drivers/usb/class/cdc-acm.c')
-rw-r--r--drivers/usb/class/cdc-acm.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index f2a120eea9d..36a2a0b7b82 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;