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author | Johan Hovold <jhovold@gmail.com> | 2011-03-22 11:12:20 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-04-13 16:18:30 -0700 |
commit | 6fb6b8846458afb7b5689f86cf35705c40eb70e5 (patch) | |
tree | 3f1ac0d7be1f927849154ec19d7fe21bedf44951 | |
parent | 3a42610812c55e8a60e2660e01c6cb6eb01d4171 (diff) | |
download | linux-6fb6b8846458afb7b5689f86cf35705c40eb70e5.tar.gz linux-6fb6b8846458afb7b5689f86cf35705c40eb70e5.tar.bz2 linux-6fb6b8846458afb7b5689f86cf35705c40eb70e5.zip |
USB: cdc-acm: remove unused drain-delay code
The drain-delay code is no longer used, so remove it.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r-- | drivers/usb/class/cdc-acm.c | 6 | ||||
-rw-r--r-- | drivers/usb/class/cdc-acm.h | 1 |
2 files changed, 0 insertions, 7 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index b84ccec8fc7b..e0f9febee7e6 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -50,9 +50,6 @@ #include "cdc-acm.h" -#define ACM_CLOSE_TIMEOUT 15 /* seconds to let writes drain */ - - #define DRIVER_AUTHOR "Armin Fuerst, Pavel Machek, Johannes Erdfelt, Vojtech Pavlik, David Kubicek" #define DRIVER_DESC "USB Abstract Control Model driver for USB modems and ISDN adapters" @@ -507,8 +504,6 @@ static void acm_write_bulk(struct urb *urb) spin_unlock_irqrestore(&acm->write_lock, flags); if (ACM_READY(acm)) schedule_work(&acm->work); - else - wake_up_interruptible(&acm->drain_wait); } static void acm_softint(struct work_struct *work) @@ -1155,7 +1150,6 @@ made_compressed_probe: acm->urb_task.func = acm_rx_tasklet; acm->urb_task.data = (unsigned long) acm; INIT_WORK(&acm->work, acm_softint); - init_waitqueue_head(&acm->drain_wait); spin_lock_init(&acm->throttle_lock); spin_lock_init(&acm->write_lock); spin_lock_init(&acm->read_lock); diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index b4ea54dbf323..7282d1f4912b 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -112,7 +112,6 @@ struct acm { struct mutex mutex; struct usb_cdc_line_coding line; /* bits, stop, parity */ struct work_struct work; /* work queue entry for line discipline waking up */ - wait_queue_head_t drain_wait; /* close processing */ struct tasklet_struct urb_task; /* rx processing */ spinlock_t throttle_lock; /* synchronize throtteling and read callback */ unsigned int ctrlin; /* input control lines (DCD, DSR, RI, break, overruns) */ |