From: Tilman Schmidt Date: Thu, 30 Sep 2010 13:35:21 +0000 (+0000) Subject: isdn/gigaset: try USB reset for bas_gigaset error recovery X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=60798c68bebf6009df9da634e79ebdd8c8227238;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git 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 Signed-off-by: David S. Miller --- diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c index e865c5dc028..7520bc6f387 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