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| author | Johan Hovold <jhovold@gmail.com> | 2013-04-16 20:01:23 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-17 21:05:34 +0400 |
| commit | fbf947736968cbb0e55ec4b5d861d31a4a106c99 (patch) | |
| tree | 838967b296f02110fc9d356f37275a4937137572 /drivers/usb/serial/omninet.c | |
| parent | a6c042f95031afbeb0b0fb77643bc9211a3f2e2e (diff) | |
| download | linux-fbf947736968cbb0e55ec4b5d861d31a4a106c99.tar.xz | |
USB: omninet: switch to generic read implementation
Switch to the more efficient generic read implementation.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/omninet.c')
| -rw-r--r-- | drivers/usb/serial/omninet.c | 43 |
1 files changed, 3 insertions, 40 deletions
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index 7aaf9692b334..5739bf6f7200 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -33,8 +33,7 @@ /* function prototypes */ static int omninet_open(struct tty_struct *tty, struct usb_serial_port *port); -static void omninet_close(struct usb_serial_port *port); -static void omninet_read_bulk_callback(struct urb *urb); +static void omninet_process_read_urb(struct urb *urb); static void omninet_write_bulk_callback(struct urb *urb); static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count); @@ -61,11 +60,10 @@ static struct usb_serial_driver zyxel_omninet_device = { .port_probe = omninet_port_probe, .port_remove = omninet_port_remove, .open = omninet_open, - .close = omninet_close, .write = omninet_write, .write_room = omninet_write_room, - .read_bulk_callback = omninet_read_bulk_callback, .write_bulk_callback = omninet_write_bulk_callback, + .process_read_urb = omninet_process_read_urb, .disconnect = omninet_disconnect, }; @@ -134,26 +132,13 @@ static int omninet_open(struct tty_struct *tty, struct usb_serial_port *port) { struct usb_serial *serial = port->serial; struct usb_serial_port *wport; - int result = 0; wport = serial->port[1]; tty_port_tty_set(&wport->port, tty); - /* Start reading from the device */ - result = usb_submit_urb(port->read_urb, GFP_KERNEL); - if (result) - dev_err(&port->dev, - "%s - failed submitting read urb, error %d\n", - __func__, result); - return result; -} - -static void omninet_close(struct usb_serial_port *port) -{ - usb_kill_urb(port->read_urb); + return usb_serial_generic_open(tty, port); } - #define OMNINET_HEADERLEN 4 #define OMNINET_BULKOUTSIZE 64 #define OMNINET_PAYLOADSIZE (OMNINET_BULKOUTSIZE - OMNINET_HEADERLEN) @@ -175,28 +160,6 @@ static void omninet_process_read_urb(struct urb *urb) tty_flip_buffer_push(&port->port); } -static void omninet_read_bulk_callback(struct urb *urb) -{ - struct usb_serial_port *port = urb->context; - int status = urb->status; - int result; - - if (status) { - dev_dbg(&port->dev, "%s - nonzero read bulk status received: %d\n", - __func__, status); - return; - } - - omninet_process_read_urb(urb); - - /* Continue trying to always read */ - result = usb_submit_urb(urb, GFP_ATOMIC); - if (result) - dev_err(&port->dev, - "%s - failed resubmitting read urb, error %d\n", - __func__, result); -} - static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count) { |