diff options
| author | Tilman Schmidt <tilman@imap.cc> | 2010-09-30 17:35:21 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-10-01 11:33:35 +0400 |
| commit | 60798c68bebf6009df9da634e79ebdd8c8227238 (patch) | |
| tree | 892d763f41e4be9257a97f009c8b70d39b4cf53b | |
| parent | 1d5a9edcd5f1fe6483afca33294ed0ebab793ebf (diff) | |
| download | linux-60798c68bebf6009df9da634e79ebdd8c8227238.tar.xz | |
isdn/gigaset: try USB reset for bas_gigaset error recovery
In error_reset(), if sending HD_RESET_INTERRUPT_PIPE to the device
fails, try performing an USB reset.
Also correct an error in the leading comment.
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/isdn/gigaset/bas-gigaset.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c index e865c5dc0282..7520bc6f3871 100644 --- a/drivers/isdn/gigaset/bas-gigaset.c +++ b/drivers/isdn/gigaset/bas-gigaset.c @@ -350,7 +350,7 @@ static inline void error_hangup(struct bc_state *bcs) * reset Gigaset device because of an unrecoverable error * This function may be called from any context, and takes care of * scheduling the necessary actions for execution outside of interrupt context. - * cs->lock must not be held. + * cs->hw.bas->lock must not be held. * argument: * controller state structure */ @@ -358,7 +358,9 @@ static inline void error_reset(struct cardstate *cs) { /* reset interrupt pipe to recover (ignore errors) */ update_basstate(cs->hw.bas, BS_RESETTING, 0); - req_submit(cs->bcs, HD_RESET_INTERRUPT_PIPE, 0, BAS_TIMEOUT); + if (req_submit(cs->bcs, HD_RESET_INTERRUPT_PIPE, 0, BAS_TIMEOUT)) + /* submission failed, escalate to USB port reset */ + usb_queue_reset_device(cs->hw.bas->interface); } /* check_pending |