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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-01-05 12:55:03 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-01-05 12:55:03 +0000
commit4c5f830c4c9d4f19c1eef356c0cd322b46d695c9 (patch)
treea14ad6c652736bb28859a7aec392a01b236ae58d /drivers/usb/host/xhci-ring.c
parentcc511b8d84d88ab788cddbfe8d21485b1c387493 (diff)
parent2e3d256de9d3db5a7ca19b61305627a516b54b45 (diff)
Merge branch 'for-russell' of git://hansjkoch.de/git/linux-tcc into HEAD
Conflicts: arch/arm/plat-omap/include/plat/common.h
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
-rw-r--r--drivers/usb/host/xhci-ring.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 940321b3ec68..9f1d4b15d818 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -816,23 +816,24 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg)
struct xhci_ring *ring;
struct xhci_td *cur_td;
int ret, i, j;
+ unsigned long flags;
ep = (struct xhci_virt_ep *) arg;
xhci = ep->xhci;
- spin_lock(&xhci->lock);
+ spin_lock_irqsave(&xhci->lock, flags);
ep->stop_cmds_pending--;
if (xhci->xhc_state & XHCI_STATE_DYING) {
xhci_dbg(xhci, "Stop EP timer ran, but another timer marked "
"xHCI as DYING, exiting.\n");
- spin_unlock(&xhci->lock);
+ spin_unlock_irqrestore(&xhci->lock, flags);
return;
}
if (!(ep->stop_cmds_pending == 0 && (ep->ep_state & EP_HALT_PENDING))) {
xhci_dbg(xhci, "Stop EP timer ran, but no command pending, "
"exiting.\n");
- spin_unlock(&xhci->lock);
+ spin_unlock_irqrestore(&xhci->lock, flags);
return;
}
@@ -844,11 +845,11 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg)
xhci->xhc_state |= XHCI_STATE_DYING;
/* Disable interrupts from the host controller and start halting it */
xhci_quiesce(xhci);
- spin_unlock(&xhci->lock);
+ spin_unlock_irqrestore(&xhci->lock, flags);
ret = xhci_halt(xhci);
- spin_lock(&xhci->lock);
+ spin_lock_irqsave(&xhci->lock, flags);
if (ret < 0) {
/* This is bad; the host is not responding to commands and it's
* not allowing itself to be halted. At least interrupts are
@@ -896,7 +897,7 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg)
}
}
}
- spin_unlock(&xhci->lock);
+ spin_unlock_irqrestore(&xhci->lock, flags);
xhci_dbg(xhci, "Calling usb_hc_died()\n");
usb_hc_died(xhci_to_hcd(xhci)->primary_hcd);
xhci_dbg(xhci, "xHCI host controller is dead.\n");