From: Johan Hovold Date: Thu, 21 Mar 2013 11:37:04 +0000 (+0100) Subject: USB: digi_acceleport: remove unused MSR-wait queue X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a7fa57742ea692631a4076254408366a01eb3582;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git USB: digi_acceleport: remove unused MSR-wait queue Remove unused, private modem-status wait queue from driver. If TIOCMIWAIT is ever implemented it must not rely on a private wait queue which may have been released when woken up. Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index 76a8c202a8e..32873b40640 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -196,7 +196,6 @@ struct digi_port { unsigned char dp_out_buf[DIGI_OUT_BUF_SIZE]; int dp_write_urb_in_use; unsigned int dp_modem_signals; - wait_queue_head_t dp_modem_change_wait; int dp_transmit_idle; wait_queue_head_t dp_transmit_idle_wait; int dp_throttled; @@ -1250,7 +1249,6 @@ static int digi_port_init(struct usb_serial_port *port, unsigned port_num) spin_lock_init(&priv->dp_port_lock); priv->dp_port_num = port_num; - init_waitqueue_head(&priv->dp_modem_change_wait); init_waitqueue_head(&priv->dp_transmit_idle_wait); init_waitqueue_head(&priv->dp_flush_wait); init_waitqueue_head(&priv->dp_close_wait); @@ -1541,7 +1539,6 @@ static int digi_read_oob_callback(struct urb *urb) else priv->dp_modem_signals &= ~TIOCM_CD; - wake_up_interruptible(&priv->dp_modem_change_wait); spin_unlock(&priv->dp_port_lock); } else if (opcode == DIGI_CMD_TRANSMIT_IDLE) { spin_lock(&priv->dp_port_lock);