summaryrefslogtreecommitdiff
path: root/drivers/usb/host/ehci-q.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2013-09-23 12:52:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-23 12:52:35 -0700
commite04a0a5ab92d4f74d29dd749e9de8d51ee94b3da (patch)
tree3960c0ed66b3bf833c568137aab341771b87d594 /drivers/usb/host/ehci-q.c
parentd8524ae9d6f492a9c6db9f4d89c5f9b8782fa2d5 (diff)
parent42f4891ca29a3c1535692a24acefb7015bbbc077 (diff)
Merge tag 'usb-3.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH: "Here are a number of small USB fixes for 3.12-rc2. One is a revert of a EHCI change that isn't quite ready for 3.12. Others are minor things, gadget fixes, Kconfig fixes, and some quirks and documentation updates. All have been in linux-next for a bit" * tag 'usb-3.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: USB: pl2303: distinguish between original and cloned HX chips USB: Faraday fotg210: fix email addresses USB: fix typo in usb serial simple driver Kconfig Revert "USB: EHCI: support running URB giveback in tasklet context" usb: s3c-hsotg: do not disconnect gadget when receiving ErlySusp intr usb: s3c-hsotg: fix unregistration function usb: gadget: f_mass_storage: reset endpoint driver data when disabled usb: host: fsl-mph-dr-of: Staticize local symbols usb: gadget: f_eem: Staticize eem_alloc usb: gadget: f_ecm: Staticize ecm_alloc usb: phy: omap-usb3: Fix return value usb: dwc3: gadget: avoid memory leak when failing to allocate all eps usb: dwc3: remove extcon dependency usb: gadget: add '__ref' for rndis_config_register() and cdc_config_register() usb: dwc3: pci: add support for BayTrail usb: gadget: cdc2: fix conversion to new interface of f_ecm usb: gadget: fix a bug and a WARN_ON in dummy-hcd usb: gadget: mv_u3d_core: fix violation of locking discipline in mv_u3d_ep_disable()
Diffstat (limited to 'drivers/usb/host/ehci-q.c')
-rw-r--r--drivers/usb/host/ehci-q.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index e321804c3475..a7f776a13eb1 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -247,6 +247,8 @@ static int qtd_copy_status (
static void
ehci_urb_done(struct ehci_hcd *ehci, struct urb *urb, int status)
+__releases(ehci->lock)
+__acquires(ehci->lock)
{
if (usb_pipetype(urb->pipe) == PIPE_INTERRUPT) {
/* ... update hc-wide periodic stats */
@@ -272,8 +274,11 @@ ehci_urb_done(struct ehci_hcd *ehci, struct urb *urb, int status)
urb->actual_length, urb->transfer_buffer_length);
#endif
+ /* complete() can reenter this HCD */
usb_hcd_unlink_urb_from_ep(ehci_to_hcd(ehci), urb);
+ spin_unlock (&ehci->lock);
usb_hcd_giveback_urb(ehci_to_hcd(ehci), urb, status);
+ spin_lock (&ehci->lock);
}
static int qh_schedule (struct ehci_hcd *ehci, struct ehci_qh *qh);