summaryrefslogtreecommitdiffstats
path: root/drivers/usb/serial
diff options
context:
space:
mode:
authorJohan Hovold <johan@kernel.org>2020-10-26 11:44:21 +0100
committerJohan Hovold <johan@kernel.org>2020-11-04 11:11:29 +0100
commit179dfb954790410f65605f1c479c029c2cd73c55 (patch)
treefcc152411ef7af3ed36bf56f7d7ecf5431cab001 /drivers/usb/serial
parent5098e77962e7c8947f87bd8c5869c83e000a522a (diff)
downloadlinux-179dfb954790410f65605f1c479c029c2cd73c55.tar.bz2
USB: serial: remove write wait queue
The digi_acceleport driver is the only driver still using the port write wake queue so move it to that driver's port data. Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'drivers/usb/serial')
-rw-r--r--drivers/usb/serial/digi_acceleport.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 968e08cdcb09..0ecd5316d85f 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -197,6 +197,7 @@ struct digi_port {
int dp_throttle_restart;
wait_queue_head_t dp_flush_wait;
wait_queue_head_t dp_close_wait; /* wait queue for close */
+ wait_queue_head_t write_wait;
struct usb_serial_port *dp_port;
};
@@ -381,7 +382,7 @@ static int digi_write_oob_command(struct usb_serial_port *port,
while (count > 0) {
while (oob_priv->dp_write_urb_in_use) {
cond_wait_interruptible_timeout_irqrestore(
- &oob_port->write_wait, DIGI_RETRY_TIMEOUT,
+ &oob_priv->write_wait, DIGI_RETRY_TIMEOUT,
&oob_priv->dp_port_lock, flags);
if (interruptible && signal_pending(current))
return -EINTR;
@@ -444,7 +445,7 @@ static int digi_write_inb_command(struct usb_serial_port *port,
while (priv->dp_write_urb_in_use &&
time_before(jiffies, timeout)) {
cond_wait_interruptible_timeout_irqrestore(
- &port->write_wait, DIGI_RETRY_TIMEOUT,
+ &priv->write_wait, DIGI_RETRY_TIMEOUT,
&priv->dp_port_lock, flags);
if (signal_pending(current))
return -EINTR;
@@ -523,7 +524,7 @@ static int digi_set_modem_signals(struct usb_serial_port *port,
while (oob_priv->dp_write_urb_in_use) {
spin_unlock(&port_priv->dp_port_lock);
cond_wait_interruptible_timeout_irqrestore(
- &oob_port->write_wait, DIGI_RETRY_TIMEOUT,
+ &oob_priv->write_wait, DIGI_RETRY_TIMEOUT,
&oob_priv->dp_port_lock, flags);
if (interruptible && signal_pending(current))
return -EINTR;
@@ -983,7 +984,7 @@ static void digi_write_bulk_callback(struct urb *urb)
dev_dbg(&port->dev, "digi_write_bulk_callback: oob callback\n");
spin_lock_irqsave(&priv->dp_port_lock, flags);
priv->dp_write_urb_in_use = 0;
- wake_up_interruptible(&port->write_wait);
+ wake_up_interruptible(&priv->write_wait);
spin_unlock_irqrestore(&priv->dp_port_lock, flags);
return;
}
@@ -1216,10 +1217,9 @@ static int digi_port_init(struct usb_serial_port *port, unsigned port_num)
init_waitqueue_head(&priv->dp_transmit_idle_wait);
init_waitqueue_head(&priv->dp_flush_wait);
init_waitqueue_head(&priv->dp_close_wait);
+ init_waitqueue_head(&priv->write_wait);
priv->dp_port = port;
- init_waitqueue_head(&port->write_wait);
-
usb_set_serial_port_data(port, priv);
return 0;