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| author | Paolo Bonzini <pbonzini@redhat.com> | 2015-11-24 21:34:40 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-11-24 21:34:40 +0300 |
| commit | 8bd142c01648cdb33e9bcafa0448ba2c20ed814c (patch) | |
| tree | 9197c60d3f9d4036f38f281a183e94750ceea1d7 /drivers/usb/chipidea/udc.c | |
| parent | d792abacaf1a1a8dfea353fab699b97fa6251c2a (diff) | |
| parent | fbb4574ce9a37e15a9872860bf202f2be5bdf6c4 (diff) | |
| download | linux-8bd142c01648cdb33e9bcafa0448ba2c20ed814c.tar.xz | |
Merge tag 'kvm-arm-for-v4.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/ARM Fixes for v4.4-rc3.
Includes some timer fixes, properly unmapping PTEs, an errata fix, and two
tweaks to the EL2 panic code.
Diffstat (limited to 'drivers/usb/chipidea/udc.c')
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 8223fe73ea85..391a1225b0ba 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1751,6 +1751,22 @@ static int ci_udc_start(struct usb_gadget *gadget, return retval; } +static void ci_udc_stop_for_otg_fsm(struct ci_hdrc *ci) +{ + if (!ci_otg_is_fsm_mode(ci)) + return; + + mutex_lock(&ci->fsm.lock); + if (ci->fsm.otg->state == OTG_STATE_A_PERIPHERAL) { + ci->fsm.a_bidl_adis_tmout = 1; + ci_hdrc_otg_fsm_start(ci); + } else if (ci->fsm.otg->state == OTG_STATE_B_PERIPHERAL) { + ci->fsm.protocol = PROTO_UNDEF; + ci->fsm.otg->state = OTG_STATE_UNDEFINED; + } + mutex_unlock(&ci->fsm.lock); +} + /** * ci_udc_stop: unregister a gadget driver */ @@ -1775,6 +1791,7 @@ static int ci_udc_stop(struct usb_gadget *gadget) ci->driver = NULL; spin_unlock_irqrestore(&ci->lock, flags); + ci_udc_stop_for_otg_fsm(ci); return 0; } |