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authorIngo Molnar <mingo@kernel.org>2017-06-20 13:28:21 +0300
committerIngo Molnar <mingo@kernel.org>2017-06-20 13:28:21 +0300
commit902b31941327a0e9c0ca9eb7750414ae41bf8a89 (patch)
tree300f4226c87e6df403cda861ab6766b23d278f09 /drivers/usb/gadget/udc/dummy_hcd.c
parentc5ae366e12b2bd56fc7d7e9d484836bec9ddc110 (diff)
parent2055da97389a605c8a00d163d40903afbe413921 (diff)
downloadlinux-902b31941327a0e9c0ca9eb7750414ae41bf8a89.tar.xz
Merge branch 'WIP.sched/core' into sched/core
Conflicts: kernel/sched/Makefile Pick up the waitqueue related renames - it didn't get much feedback, so it appears to be uncontroversial. Famous last words? ;-) Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/gadget/udc/dummy_hcd.c')
-rw-r--r--drivers/usb/gadget/udc/dummy_hcd.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index ccabb51cb98d..7635fd7cc328 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -442,23 +442,16 @@ static void set_link_state(struct dummy_hcd *dum_hcd)
/* Report reset and disconnect events to the driver */
if (dum->driver && (disconnect || reset)) {
stop_activity(dum);
- spin_unlock(&dum->lock);
if (reset)
usb_gadget_udc_reset(&dum->gadget, dum->driver);
else
dum->driver->disconnect(&dum->gadget);
- spin_lock(&dum->lock);
}
} else if (dum_hcd->active != dum_hcd->old_active) {
- if (dum_hcd->old_active && dum->driver->suspend) {
- spin_unlock(&dum->lock);
+ if (dum_hcd->old_active && dum->driver->suspend)
dum->driver->suspend(&dum->gadget);
- spin_lock(&dum->lock);
- } else if (!dum_hcd->old_active && dum->driver->resume) {
- spin_unlock(&dum->lock);
+ else if (!dum_hcd->old_active && dum->driver->resume)
dum->driver->resume(&dum->gadget);
- spin_lock(&dum->lock);
- }
}
dum_hcd->old_status = dum_hcd->port_status;
@@ -983,7 +976,9 @@ static int dummy_udc_stop(struct usb_gadget *g)
struct dummy_hcd *dum_hcd = gadget_to_dummy_hcd(g);
struct dummy *dum = dum_hcd->dum;
+ spin_lock_irq(&dum->lock);
dum->driver = NULL;
+ spin_unlock_irq(&dum->lock);
return 0;
}