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authorTilman Schmidt <tilman@imap.cc>2010-09-30 13:35:21 +0000
committerDavid S. Miller <davem@davemloft.net>2010-10-01 00:33:35 -0700
commit60798c68bebf6009df9da634e79ebdd8c8227238 (patch)
tree892d763f41e4be9257a97f009c8b70d39b4cf53b /drivers/isdn/gigaset
parent1d5a9edcd5f1fe6483afca33294ed0ebab793ebf (diff)
downloadlinux-60798c68bebf6009df9da634e79ebdd8c8227238.tar.bz2
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>
Diffstat (limited to 'drivers/isdn/gigaset')
-rw-r--r--drivers/isdn/gigaset/bas-gigaset.c6
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