diff options
Diffstat (limited to 'drivers/usb/host/xhci-dbgtty.c')
| -rw-r--r-- | drivers/usb/host/xhci-dbgtty.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c index 8d47b6fbf973..75f0b92694ba 100644 --- a/drivers/usb/host/xhci-dbgtty.c +++ b/drivers/usb/host/xhci-dbgtty.c @@ -92,21 +92,23 @@ static void dbc_start_rx(struct dbc_port *port) static void dbc_read_complete(struct xhci_hcd *xhci, struct dbc_request *req) { + unsigned long flags; struct xhci_dbc *dbc = xhci->dbc; struct dbc_port *port = &dbc->port; - spin_lock(&port->port_lock); + spin_lock_irqsave(&port->port_lock, flags); list_add_tail(&req->list_pool, &port->read_queue); tasklet_schedule(&port->push); - spin_unlock(&port->port_lock); + spin_unlock_irqrestore(&port->port_lock, flags); } static void dbc_write_complete(struct xhci_hcd *xhci, struct dbc_request *req) { + unsigned long flags; struct xhci_dbc *dbc = xhci->dbc; struct dbc_port *port = &dbc->port; - spin_lock(&port->port_lock); + spin_lock_irqsave(&port->port_lock, flags); list_add(&req->list_pool, &port->write_pool); switch (req->status) { case 0: @@ -119,7 +121,7 @@ static void dbc_write_complete(struct xhci_hcd *xhci, struct dbc_request *req) req->status); break; } - spin_unlock(&port->port_lock); + spin_unlock_irqrestore(&port->port_lock, flags); } static void xhci_dbc_free_req(struct dbc_ep *dep, struct dbc_request *req) @@ -327,12 +329,13 @@ static void dbc_rx_push(unsigned long _port) { struct dbc_request *req; struct tty_struct *tty; + unsigned long flags; bool do_push = false; bool disconnect = false; struct dbc_port *port = (void *)_port; struct list_head *queue = &port->read_queue; - spin_lock_irq(&port->port_lock); + spin_lock_irqsave(&port->port_lock, flags); tty = port->port.tty; while (!list_empty(queue)) { req = list_first_entry(queue, struct dbc_request, list_pool); @@ -392,16 +395,17 @@ static void dbc_rx_push(unsigned long _port) if (!disconnect) dbc_start_rx(port); - spin_unlock_irq(&port->port_lock); + spin_unlock_irqrestore(&port->port_lock, flags); } static int dbc_port_activate(struct tty_port *_port, struct tty_struct *tty) { + unsigned long flags; struct dbc_port *port = container_of(_port, struct dbc_port, port); - spin_lock_irq(&port->port_lock); + spin_lock_irqsave(&port->port_lock, flags); dbc_start_rx(port); - spin_unlock_irq(&port->port_lock); + spin_unlock_irqrestore(&port->port_lock, flags); return 0; } |