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authorJohan Hovold <jhovold@gmail.com>2014-05-26 19:23:50 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-05-27 15:04:10 -0700
commit308fee18e0f06215b47b54a2b254bfaf55527bdd (patch)
tree48b3f7512f132b6b518b197bdb9b4562bb24668c /drivers
parent4a8ee5059a241114c644350b6cb564c729a340fa (diff)
USB: cdc-acm: remove redundant usb_mark_last_busy
There's no need to call usb_mark_last_busy after having increased the PM counter in write(). The device will be marked busy by USB core when the PM counter is balanced in the completion handler. Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/class/cdc-acm.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 3c7cfac48e30..8f654ce52570 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -690,7 +690,6 @@ static int acm_tty_write(struct tty_struct *tty,
spin_unlock_irqrestore(&acm->write_lock, flags);
return count;
}
- usb_mark_last_busy(acm->dev);
stat = acm_start_wb(acm, wb);
spin_unlock_irqrestore(&acm->write_lock, flags);