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author | Johan Hovold <jhovold@gmail.com> | 2011-11-06 19:06:30 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-15 10:35:27 -0800 |
commit | fd11961a2deaf4220ca90ce734439b4006db2911 (patch) | |
tree | f18e3a656eb93b01fe3238ba2b014add9a85b034 /drivers/usb/serial | |
parent | b7195188e9884f62efd96a3a91415418cb44381f (diff) | |
download | linux-fd11961a2deaf4220ca90ce734439b4006db2911.tar.gz linux-fd11961a2deaf4220ca90ce734439b4006db2911.tar.bz2 linux-fd11961a2deaf4220ca90ce734439b4006db2911.zip |
USB: serial: remove unnecessary bulk-urb re-fills
Remove unnecessary re-fills of bulk urbs whose fields have not changed
since port probe.
Compile-only tested.
Cc: Matthias Bruestle and Harald Welte <support@reiner-sct.com>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/serial')
-rw-r--r-- | drivers/usb/serial/cyberjack.c | 17 | ||||
-rw-r--r-- | drivers/usb/serial/garmin_gps.c | 7 | ||||
-rw-r--r-- | drivers/usb/serial/io_ti.c | 7 | ||||
-rw-r--r-- | drivers/usb/serial/omninet.c | 12 |
4 files changed, 3 insertions, 40 deletions
diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index 2b220e811bf1..98bf83349838 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -207,7 +207,6 @@ static void cyberjack_close(struct usb_serial_port *port) static int cyberjack_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count) { - struct usb_serial *serial = port->serial; struct cyberjack_private *priv = usb_get_serial_port_data(port); unsigned long flags; int result; @@ -260,13 +259,7 @@ static int cyberjack_write(struct tty_struct *tty, priv->wrsent = length; /* set up our urb */ - usb_fill_bulk_urb(port->write_urb, serial->dev, - usb_sndbulkpipe(serial->dev, port->bulk_out_endpointAddress), - port->write_urb->transfer_buffer, length, - ((serial->type->write_bulk_callback) ? - serial->type->write_bulk_callback : - cyberjack_write_bulk_callback), - port); + port->write_urb->transfer_buffer_length = length; /* send the data out the bulk port */ result = usb_submit_urb(port->write_urb, GFP_ATOMIC); @@ -447,13 +440,7 @@ static void cyberjack_write_bulk_callback(struct urb *urb) priv->wrsent += length; /* set up our urb */ - usb_fill_bulk_urb(port->write_urb, port->serial->dev, - usb_sndbulkpipe(port->serial->dev, port->bulk_out_endpointAddress), - port->write_urb->transfer_buffer, length, - ((port->serial->type->write_bulk_callback) ? - port->serial->type->write_bulk_callback : - cyberjack_write_bulk_callback), - port); + port->write_urb->transfer_buffer_length = length; /* send the data out the bulk port */ result = usb_submit_urb(port->write_urb, GFP_ATOMIC); diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index d39da13d3dba..bf12565f8e87 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -1276,7 +1276,6 @@ static void garmin_read_int_callback(struct urb *urb) unsigned long flags; int retval; struct usb_serial_port *port = urb->context; - struct usb_serial *serial = port->serial; struct garmin_data *garmin_data_p = usb_get_serial_port_data(port); unsigned char *data = urb->transfer_buffer; int status = urb->status; @@ -1310,12 +1309,6 @@ static void garmin_read_int_callback(struct urb *urb) if (0 == (garmin_data_p->flags & FLAGS_BULK_IN_ACTIVE)) { /* bulk data available */ - usb_fill_bulk_urb(port->read_urb, serial->dev, - usb_rcvbulkpipe(serial->dev, - port->bulk_in_endpointAddress), - port->read_urb->transfer_buffer, - port->read_urb->transfer_buffer_length, - garmin_read_bulk_callback, port); retval = usb_submit_urb(port->read_urb, GFP_ATOMIC); if (retval) { dev_err(&port->dev, diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 589f11a0f7e2..e44d375edaad 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -2106,12 +2106,7 @@ static void edge_send(struct tty_struct *tty) port->write_urb->transfer_buffer); /* set up our urb */ - usb_fill_bulk_urb(port->write_urb, port->serial->dev, - usb_sndbulkpipe(port->serial->dev, - port->bulk_out_endpointAddress), - port->write_urb->transfer_buffer, count, - edge_bulk_out_callback, - port); + port->write_urb->transfer_buffer_length = count; /* send the data out the bulk port */ result = usb_submit_urb(port->write_urb, GFP_ATOMIC); diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index f3824641099a..45a8c55881d3 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -148,13 +148,6 @@ static int omninet_open(struct tty_struct *tty, struct usb_serial_port *port) tty_port_tty_set(&wport->port, tty); /* Start reading from the device */ - usb_fill_bulk_urb(port->read_urb, serial->dev, - usb_rcvbulkpipe(serial->dev, - port->bulk_in_endpointAddress), - port->read_urb->transfer_buffer, - port->read_urb->transfer_buffer_length, - omninet_read_bulk_callback, port); - result = usb_submit_urb(port->read_urb, GFP_KERNEL); if (result) dev_err(&port->dev, @@ -211,11 +204,6 @@ static void omninet_read_bulk_callback(struct urb *urb) } /* Continue trying to always read */ - usb_fill_bulk_urb(urb, port->serial->dev, - usb_rcvbulkpipe(port->serial->dev, - port->bulk_in_endpointAddress), - urb->transfer_buffer, urb->transfer_buffer_length, - omninet_read_bulk_callback, port); result = usb_submit_urb(urb, GFP_ATOMIC); if (result) dev_err(&port->dev, |