usb_serial: some coding style fixes
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Cox
Greg Kroah-Hartman
Родитель
e5430f889c
Коммит
c4d0f8cbca
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@ -147,7 +147,7 @@ static void serial_buf_free(struct circ_buf *cb)
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*/
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static int serial_buf_data_avail(struct circ_buf *cb)
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{
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return CIRC_CNT(cb->head,cb->tail,AIRCABLE_BUF_SIZE);
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return CIRC_CNT(cb->head, cb->tail, AIRCABLE_BUF_SIZE);
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}
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/*
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@ -171,7 +171,7 @@ static int serial_buf_put(struct circ_buf *cb, const char *buf, int count)
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cb->head = (cb->head + c) & (AIRCABLE_BUF_SIZE-1);
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buf += c;
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count -= c;
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ret= c;
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ret = c;
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}
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return ret;
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}
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@ -197,7 +197,7 @@ static int serial_buf_get(struct circ_buf *cb, char *buf, int count)
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cb->tail = (cb->tail + c) & (AIRCABLE_BUF_SIZE-1);
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buf += c;
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count -= c;
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ret= c;
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ret = c;
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}
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return ret;
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}
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@ -208,7 +208,7 @@ static void aircable_send(struct usb_serial_port *port)
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{
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int count, result;
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struct aircable_private *priv = usb_get_serial_port_data(port);
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unsigned char* buf;
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unsigned char *buf;
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__le16 *dbuf;
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dbg("%s - port %d", __func__, port->number);
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if (port->write_urb_busy)
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@ -229,7 +229,8 @@ static void aircable_send(struct usb_serial_port *port)
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buf[1] = TX_HEADER_1;
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dbuf = (__le16 *)&buf[2];
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*dbuf = cpu_to_le16((u16)count);
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serial_buf_get(priv->tx_buf,buf + HCI_HEADER_LENGTH, MAX_HCI_FRAMESIZE);
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serial_buf_get(priv->tx_buf, buf + HCI_HEADER_LENGTH,
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MAX_HCI_FRAMESIZE);
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memcpy(port->write_urb->transfer_buffer, buf,
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count + HCI_HEADER_LENGTH);
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@ -261,7 +262,7 @@ static void aircable_read(struct work_struct *work)
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struct tty_struct *tty;
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unsigned char *data;
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int count;
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if (priv->rx_flags & THROTTLED){
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if (priv->rx_flags & THROTTLED) {
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if (priv->rx_flags & ACTUALLY_THROTTLED)
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schedule_work(&priv->rx_work);
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return;
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@ -282,10 +283,10 @@ static void aircable_read(struct work_struct *work)
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count = min(64, serial_buf_data_avail(priv->rx_buf));
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if (count <= 0)
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return; //We have finished sending everything.
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return; /* We have finished sending everything. */
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tty_prepare_flip_string(tty, &data, count);
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if (!data){
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if (!data) {
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err("%s- kzalloc(%d) failed.", __func__, count);
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return;
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}
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@ -304,9 +305,10 @@ static void aircable_read(struct work_struct *work)
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static int aircable_probe(struct usb_serial *serial,
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const struct usb_device_id *id)
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{
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struct usb_host_interface *iface_desc = serial->interface->cur_altsetting;
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struct usb_host_interface *iface_desc = serial->interface->
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cur_altsetting;
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struct usb_endpoint_descriptor *endpoint;
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int num_bulk_out=0;
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int num_bulk_out = 0;
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int i;
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for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) {
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@ -325,13 +327,13 @@ static int aircable_probe(struct usb_serial *serial,
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return 0;
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}
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static int aircable_attach (struct usb_serial *serial)
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static int aircable_attach(struct usb_serial *serial)
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{
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struct usb_serial_port *port = serial->port[0];
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struct aircable_private *priv;
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priv = kzalloc(sizeof(struct aircable_private), GFP_KERNEL);
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if (!priv){
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if (!priv) {
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err("%s- kmalloc(%Zd) failed.", __func__,
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sizeof(struct aircable_private));
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return -ENOMEM;
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@ -392,7 +394,7 @@ static int aircable_write(struct usb_serial_port *port,
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usb_serial_debug_data(debug, &port->dev, __func__, count, source);
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if (!count){
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if (!count) {
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dbg("%s - write request of 0 bytes", __func__);
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return count;
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}
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@ -418,31 +420,31 @@ static void aircable_write_bulk_callback(struct urb *urb)
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/* This has been taken from cypress_m8.c cypress_write_int_callback */
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switch (status) {
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case 0:
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/* success */
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break;
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case -ECONNRESET:
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case -ENOENT:
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case -ESHUTDOWN:
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/* this urb is terminated, clean up */
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dbg("%s - urb shutting down with status: %d",
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__func__, status);
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port->write_urb_busy = 0;
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case 0:
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/* success */
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break;
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case -ECONNRESET:
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case -ENOENT:
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case -ESHUTDOWN:
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/* this urb is terminated, clean up */
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dbg("%s - urb shutting down with status: %d",
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__func__, status);
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port->write_urb_busy = 0;
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return;
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default:
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/* error in the urb, so we have to resubmit it */
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dbg("%s - Overflow in write", __func__);
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dbg("%s - nonzero write bulk status received: %d",
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__func__, status);
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port->write_urb->transfer_buffer_length = 1;
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port->write_urb->dev = port->serial->dev;
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result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
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if (result)
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dev_err(&urb->dev->dev,
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"%s - failed resubmitting write urb, error %d\n",
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__func__, result);
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else
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return;
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default:
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/* error in the urb, so we have to resubmit it */
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dbg("%s - Overflow in write", __func__);
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dbg("%s - nonzero write bulk status received: %d",
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__func__, status);
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port->write_urb->transfer_buffer_length = 1;
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port->write_urb->dev = port->serial->dev;
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result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
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if (result)
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dev_err(&urb->dev->dev,
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"%s - failed resubmitting write urb, error %d\n",
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__func__, result);
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else
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return;
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}
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port->write_urb_busy = 0;
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@ -472,11 +474,11 @@ static void aircable_read_bulk_callback(struct urb *urb)
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dbg("%s - caught -EPROTO, resubmitting the urb",
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__func__);
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usb_fill_bulk_urb(port->read_urb, port->serial->dev,
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usb_rcvbulkpipe(port->serial->dev,
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port->bulk_in_endpointAddress),
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port->read_urb->transfer_buffer,
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port->read_urb->transfer_buffer_length,
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aircable_read_bulk_callback, port);
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usb_rcvbulkpipe(port->serial->dev,
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port->bulk_in_endpointAddress),
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port->read_urb->transfer_buffer,
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port->read_urb->transfer_buffer_length,
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aircable_read_bulk_callback, port);
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result = usb_submit_urb(urb, GFP_ATOMIC);
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if (result)
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@ -490,7 +492,7 @@ static void aircable_read_bulk_callback(struct urb *urb)
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}
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usb_serial_debug_data(debug, &port->dev, __func__,
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urb->actual_length,urb->transfer_buffer);
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urb->actual_length, urb->transfer_buffer);
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tty = port->tty;
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if (tty && urb->actual_length) {
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@ -507,9 +509,9 @@ static void aircable_read_bulk_callback(struct urb *urb)
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no_packages = urb->actual_length / (HCI_COMPLETE_FRAME);
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if (urb->actual_length % HCI_COMPLETE_FRAME != 0)
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no_packages+=1;
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no_packages++;
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for (i = 0; i < no_packages ;i++) {
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for (i = 0; i < no_packages; i++) {
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if (remaining > (HCI_COMPLETE_FRAME))
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package_length = HCI_COMPLETE_FRAME;
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else
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@ -529,7 +531,7 @@ static void aircable_read_bulk_callback(struct urb *urb)
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if (port->open_count) {
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usb_fill_bulk_urb(port->read_urb, port->serial->dev,
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usb_rcvbulkpipe(port->serial->dev,
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port->bulk_in_endpointAddress),
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port->bulk_in_endpointAddress),
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port->read_urb->transfer_buffer,
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port->read_urb->transfer_buffer_length,
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aircable_read_bulk_callback, port);
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@ -602,7 +604,7 @@ static struct usb_serial_driver aircable_device = {
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.unthrottle = aircable_unthrottle,
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};
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static int __init aircable_init (void)
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static int __init aircable_init(void)
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{
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int retval;
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retval = usb_serial_register(&aircable_device);
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@ -619,7 +621,7 @@ failed_usb_register:
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return retval;
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}
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static void __exit aircable_exit (void)
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static void __exit aircable_exit(void)
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{
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usb_deregister(&aircable_driver);
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usb_serial_deregister(&aircable_device);
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@ -68,8 +68,9 @@ static int airprime_send_setup(struct usb_serial_port *port)
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val |= 0x02;
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return usb_control_msg(serial->dev,
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usb_rcvctrlpipe(serial->dev, 0),
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0x22,0x21,val,0,NULL,0,USB_CTRL_SET_TIMEOUT);
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usb_rcvctrlpipe(serial->dev, 0),
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0x22, 0x21, val, 0, NULL, 0,
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USB_CTRL_SET_TIMEOUT);
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}
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return 0;
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@ -90,17 +91,19 @@ static void airprime_read_bulk_callback(struct urb *urb)
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__func__, status);
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return;
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}
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usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length, data);
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usb_serial_debug_data(debug, &port->dev, __func__,
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urb->actual_length, data);
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tty = port->tty;
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if (tty && urb->actual_length) {
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tty_insert_flip_string (tty, data, urb->actual_length);
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tty_flip_buffer_push (tty);
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tty_insert_flip_string(tty, data, urb->actual_length);
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tty_flip_buffer_push(tty);
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}
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result = usb_submit_urb (urb, GFP_ATOMIC);
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result = usb_submit_urb(urb, GFP_ATOMIC);
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if (result)
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dev_err(&port->dev, "%s - failed resubmitting read urb, error %d\n",
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dev_err(&port->dev,
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"%s - failed resubmitting read urb, error %d\n",
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__func__, result);
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return;
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}
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@ -115,7 +118,7 @@ static void airprime_write_bulk_callback(struct urb *urb)
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dbg("%s - port %d", __func__, port->number);
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/* free up the transfer buffer, as usb_free_urb() does not do this */
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kfree (urb->transfer_buffer);
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kfree(urb->transfer_buffer);
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if (status)
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dbg("%s - nonzero write bulk status received: %d",
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@ -171,7 +174,7 @@ static int airprime_open(struct usb_serial_port *port, struct file *filp)
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}
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usb_fill_bulk_urb(urb, serial->dev,
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usb_rcvbulkpipe(serial->dev,
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port->bulk_out_endpointAddress),
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port->bulk_out_endpointAddress),
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buffer, buffer_size,
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airprime_read_bulk_callback, port);
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result = usb_submit_urb(urb, GFP_KERNEL);
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@ -183,7 +186,8 @@ static int airprime_open(struct usb_serial_port *port, struct file *filp)
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__func__, i, port->number, result);
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goto errout;
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}
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/* remember this urb so we can kill it when the port is closed */
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/* remember this urb so we can kill it when the
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port is closed */
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priv->read_urbp[i] = urb;
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}
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@ -192,22 +196,22 @@ static int airprime_open(struct usb_serial_port *port, struct file *filp)
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goto out;
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errout:
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/* some error happened, cancel any submitted urbs and clean up anything that
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got allocated successfully */
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/* some error happened, cancel any submitted urbs and clean up
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anything that got allocated successfully */
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while (i-- != 0) {
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urb = priv->read_urbp[i];
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buffer = urb->transfer_buffer;
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usb_kill_urb (urb);
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usb_free_urb (urb);
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kfree (buffer);
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usb_kill_urb(urb);
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usb_free_urb(urb);
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kfree(buffer);
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}
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out:
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return result;
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}
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static void airprime_close(struct usb_serial_port *port, struct file * filp)
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static void airprime_close(struct usb_serial_port *port, struct file *filp)
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{
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struct airprime_private *priv = usb_get_serial_port_data(port);
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int i;
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@ -223,13 +227,13 @@ static void airprime_close(struct usb_serial_port *port, struct file * filp)
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mutex_unlock(&port->serial->disc_mutex);
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for (i = 0; i < NUM_READ_URBS; ++i) {
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usb_kill_urb (priv->read_urbp[i]);
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kfree (priv->read_urbp[i]->transfer_buffer);
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usb_free_urb (priv->read_urbp[i]);
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usb_kill_urb(priv->read_urbp[i]);
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kfree(priv->read_urbp[i]->transfer_buffer);
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usb_free_urb(priv->read_urbp[i]);
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}
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/* free up private structure */
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kfree (priv);
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kfree(priv);
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usb_set_serial_port_data(port, NULL);
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}
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@ -259,10 +263,10 @@ static int airprime_write(struct usb_serial_port *port,
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urb = usb_alloc_urb(0, GFP_ATOMIC);
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if (!urb) {
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dev_err(&port->dev, "no more free urbs\n");
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kfree (buffer);
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kfree(buffer);
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return -ENOMEM;
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}
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memcpy (buffer, buf, count);
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memcpy(buffer, buf, count);
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usb_serial_debug_data(debug, &port->dev, __func__, count, buffer);
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@ -279,7 +283,7 @@ static int airprime_write(struct usb_serial_port *port,
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"%s - usb_submit_urb(write bulk) failed with status = %d\n",
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__func__, status);
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count = status;
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kfree (buffer);
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kfree(buffer);
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} else {
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spin_lock_irqsave(&priv->lock, flags);
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++priv->outstanding_urbs;
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@ -287,7 +291,7 @@ static int airprime_write(struct usb_serial_port *port,
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}
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/* we are done with this urb, so let the host driver
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* really free it when it is finished with it */
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usb_free_urb (urb);
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usb_free_urb(urb);
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return count;
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}
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@ -315,8 +319,10 @@ static int __init airprime_init(void)
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{
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int retval;
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airprime_device.num_ports =
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(endpoints > 0 && endpoints <= MAX_BULK_EPS) ? endpoints : NUM_BULK_EPS;
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airprime_device.num_ports = endpoints;
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if (endpoints < 0 || endpoints >= MAX_BULK_EPS)
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airprime_device.num_ports = NUM_BULK_EPS;
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|
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retval = usb_serial_register(&airprime_device);
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if (retval)
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return retval;
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@ -341,6 +347,7 @@ MODULE_LICENSE("GPL");
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module_param(debug, bool, S_IRUGO | S_IWUSR);
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MODULE_PARM_DESC(debug, "Debug enabled");
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module_param(buffer_size, int, 0);
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MODULE_PARM_DESC(buffer_size, "Size of the transfer buffers in bytes (default 4096)");
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MODULE_PARM_DESC(buffer_size,
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"Size of the transfer buffers in bytes (default 4096)");
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module_param(endpoints, int, 0);
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MODULE_PARM_DESC(endpoints, "Number of bulk EPs to configure (default 3)");
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|
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@ -24,7 +24,7 @@
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#include <linux/usb.h>
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#include <linux/usb/serial.h>
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#include <linux/serial.h>
|
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#include <asm/uaccess.h>
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#include <linux/uaccess.h>
|
||||
|
||||
|
||||
static int debug;
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||||
|
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@ -246,29 +246,29 @@ static void ark3116_set_termios(struct usb_serial_port *port,
|
|||
baud = tty_get_baud_rate(port->tty);
|
||||
|
||||
switch (baud) {
|
||||
case 75:
|
||||
case 150:
|
||||
case 300:
|
||||
case 600:
|
||||
case 1200:
|
||||
case 1800:
|
||||
case 2400:
|
||||
case 4800:
|
||||
case 9600:
|
||||
case 19200:
|
||||
case 38400:
|
||||
case 57600:
|
||||
case 115200:
|
||||
case 230400:
|
||||
case 460800:
|
||||
/* Report the resulting rate back to the caller */
|
||||
tty_encode_baud_rate(port->tty, baud, baud);
|
||||
break;
|
||||
/* set 9600 as default (if given baudrate is invalid for example) */
|
||||
default:
|
||||
tty_encode_baud_rate(port->tty, 9600, 9600);
|
||||
case 0:
|
||||
baud = 9600;
|
||||
case 75:
|
||||
case 150:
|
||||
case 300:
|
||||
case 600:
|
||||
case 1200:
|
||||
case 1800:
|
||||
case 2400:
|
||||
case 4800:
|
||||
case 9600:
|
||||
case 19200:
|
||||
case 38400:
|
||||
case 57600:
|
||||
case 115200:
|
||||
case 230400:
|
||||
case 460800:
|
||||
/* Report the resulting rate back to the caller */
|
||||
tty_encode_baud_rate(port->tty, baud, baud);
|
||||
break;
|
||||
/* set 9600 as default (if given baudrate is invalid for example) */
|
||||
default:
|
||||
tty_encode_baud_rate(port->tty, 9600, 9600);
|
||||
case 0:
|
||||
baud = 9600;
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -380,19 +380,19 @@ static int ark3116_ioctl(struct usb_serial_port *port, struct file *file,
|
|||
switch (cmd) {
|
||||
case TIOCGSERIAL:
|
||||
/* XXX: Some of these values are probably wrong. */
|
||||
memset(&serstruct, 0, sizeof (serstruct));
|
||||
memset(&serstruct, 0, sizeof(serstruct));
|
||||
serstruct.type = PORT_16654;
|
||||
serstruct.line = port->serial->minor;
|
||||
serstruct.port = port->number;
|
||||
serstruct.custom_divisor = 0;
|
||||
serstruct.baud_base = 460800;
|
||||
|
||||
if (copy_to_user(user_arg, &serstruct, sizeof (serstruct)))
|
||||
if (copy_to_user(user_arg, &serstruct, sizeof(serstruct)))
|
||||
return -EFAULT;
|
||||
|
||||
return 0;
|
||||
case TIOCSSERIAL:
|
||||
if (copy_from_user(&serstruct, user_arg, sizeof (serstruct)))
|
||||
if (copy_from_user(&serstruct, user_arg, sizeof(serstruct)))
|
||||
return -EFAULT;
|
||||
return 0;
|
||||
default:
|
||||
|
|
|
|||
|
|
@ -130,7 +130,7 @@ static int ch341_get_status(struct usb_device *dev)
|
|||
return -ENOMEM;
|
||||
|
||||
r = ch341_control_in(dev, 0x95, 0x0706, 0, buffer, size);
|
||||
if ( r < 0)
|
||||
if (r < 0)
|
||||
goto out;
|
||||
|
||||
/* Not having the datasheet for the CH341, we ignore the bytes returned
|
||||
|
|
|
|||
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Ссылка в новой задаче