*/
static int serial_buf_data_avail(struct circ_buf *cb)
{
- return CIRC_CNT(cb->head,cb->tail,AIRCABLE_BUF_SIZE);
+ return CIRC_CNT(cb->head, cb->tail, AIRCABLE_BUF_SIZE);
}
/*
cb->head = (cb->head + c) & (AIRCABLE_BUF_SIZE-1);
buf += c;
count -= c;
- ret= c;
+ ret = c;
}
return ret;
}
cb->tail = (cb->tail + c) & (AIRCABLE_BUF_SIZE-1);
buf += c;
count -= c;
- ret= c;
+ ret = c;
}
return ret;
}
{
int count, result;
struct aircable_private *priv = usb_get_serial_port_data(port);
- unsigned char* buf;
+ unsigned char *buf;
__le16 *dbuf;
dbg("%s - port %d", __func__, port->number);
if (port->write_urb_busy)
buf[1] = TX_HEADER_1;
dbuf = (__le16 *)&buf[2];
*dbuf = cpu_to_le16((u16)count);
- serial_buf_get(priv->tx_buf,buf + HCI_HEADER_LENGTH, MAX_HCI_FRAMESIZE);
+ serial_buf_get(priv->tx_buf, buf + HCI_HEADER_LENGTH,
+ MAX_HCI_FRAMESIZE);
memcpy(port->write_urb->transfer_buffer, buf,
count + HCI_HEADER_LENGTH);
struct tty_struct *tty;
unsigned char *data;
int count;
- if (priv->rx_flags & THROTTLED){
+ if (priv->rx_flags & THROTTLED) {
if (priv->rx_flags & ACTUALLY_THROTTLED)
schedule_work(&priv->rx_work);
return;
count = min(64, serial_buf_data_avail(priv->rx_buf));
if (count <= 0)
- return; //We have finished sending everything.
+ return; /* We have finished sending everything. */
tty_prepare_flip_string(tty, &data, count);
- if (!data){
+ if (!data) {
err("%s- kzalloc(%d) failed.", __func__, count);
return;
}
static int aircable_probe(struct usb_serial *serial,
const struct usb_device_id *id)
{
- struct usb_host_interface *iface_desc = serial->interface->cur_altsetting;
+ struct usb_host_interface *iface_desc = serial->interface->
+ cur_altsetting;
struct usb_endpoint_descriptor *endpoint;
- int num_bulk_out=0;
+ int num_bulk_out = 0;
int i;
for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) {
return 0;
}
-static int aircable_attach (struct usb_serial *serial)
+static int aircable_attach(struct usb_serial *serial)
{
struct usb_serial_port *port = serial->port[0];
struct aircable_private *priv;
priv = kzalloc(sizeof(struct aircable_private), GFP_KERNEL);
- if (!priv){
+ if (!priv) {
err("%s- kmalloc(%Zd) failed.", __func__,
sizeof(struct aircable_private));
return -ENOMEM;
usb_serial_debug_data(debug, &port->dev, __func__, count, source);
- if (!count){
+ if (!count) {
dbg("%s - write request of 0 bytes", __func__);
return count;
}
/* This has been taken from cypress_m8.c cypress_write_int_callback */
switch (status) {
- case 0:
- /* success */
- break;
- case -ECONNRESET:
- case -ENOENT:
- case -ESHUTDOWN:
- /* this urb is terminated, clean up */
- dbg("%s - urb shutting down with status: %d",
- __func__, status);
- port->write_urb_busy = 0;
+ case 0:
+ /* success */
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ /* this urb is terminated, clean up */
+ dbg("%s - urb shutting down with status: %d",
+ __func__, status);
+ port->write_urb_busy = 0;
+ return;
+ default:
+ /* error in the urb, so we have to resubmit it */
+ dbg("%s - Overflow in write", __func__);
+ dbg("%s - nonzero write bulk status received: %d",
+ __func__, status);
+ port->write_urb->transfer_buffer_length = 1;
+ port->write_urb->dev = port->serial->dev;
+ result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
+ if (result)
+ dev_err(&urb->dev->dev,
+ "%s - failed resubmitting write urb, error %d\n",
+ __func__, result);
+ else
return;
- default:
- /* error in the urb, so we have to resubmit it */
- dbg("%s - Overflow in write", __func__);
- dbg("%s - nonzero write bulk status received: %d",
- __func__, status);
- port->write_urb->transfer_buffer_length = 1;
- port->write_urb->dev = port->serial->dev;
- result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
- if (result)
- dev_err(&urb->dev->dev,
- "%s - failed resubmitting write urb, error %d\n",
- __func__, result);
- else
- return;
}
port->write_urb_busy = 0;
dbg("%s - caught -EPROTO, resubmitting the urb",
__func__);
usb_fill_bulk_urb(port->read_urb, port->serial->dev,
- usb_rcvbulkpipe(port->serial->dev,
- port->bulk_in_endpointAddress),
- port->read_urb->transfer_buffer,
- port->read_urb->transfer_buffer_length,
- aircable_read_bulk_callback, port);
+ usb_rcvbulkpipe(port->serial->dev,
+ port->bulk_in_endpointAddress),
+ port->read_urb->transfer_buffer,
+ port->read_urb->transfer_buffer_length,
+ aircable_read_bulk_callback, port);
result = usb_submit_urb(urb, GFP_ATOMIC);
if (result)
}
usb_serial_debug_data(debug, &port->dev, __func__,
- urb->actual_length,urb->transfer_buffer);
+ urb->actual_length, urb->transfer_buffer);
tty = port->tty;
if (tty && urb->actual_length) {
no_packages = urb->actual_length / (HCI_COMPLETE_FRAME);
if (urb->actual_length % HCI_COMPLETE_FRAME != 0)
- no_packages+=1;
+ no_packages++;
- for (i = 0; i < no_packages ;i++) {
+ for (i = 0; i < no_packages; i++) {
if (remaining > (HCI_COMPLETE_FRAME))
package_length = HCI_COMPLETE_FRAME;
else
if (port->open_count) {
usb_fill_bulk_urb(port->read_urb, port->serial->dev,
usb_rcvbulkpipe(port->serial->dev,
- port->bulk_in_endpointAddress),
+ port->bulk_in_endpointAddress),
port->read_urb->transfer_buffer,
port->read_urb->transfer_buffer_length,
aircable_read_bulk_callback, port);
.unthrottle = aircable_unthrottle,
};
-static int __init aircable_init (void)
+static int __init aircable_init(void)
{
int retval;
retval = usb_serial_register(&aircable_device);
return retval;
}
-static void __exit aircable_exit (void)
+static void __exit aircable_exit(void)
{
usb_deregister(&aircable_driver);
usb_serial_deregister(&aircable_device);
val |= 0x02;
return usb_control_msg(serial->dev,
- usb_rcvctrlpipe(serial->dev, 0),
- 0x22,0x21,val,0,NULL,0,USB_CTRL_SET_TIMEOUT);
+ usb_rcvctrlpipe(serial->dev, 0),
+ 0x22, 0x21, val, 0, NULL, 0,
+ USB_CTRL_SET_TIMEOUT);
}
return 0;
__func__, status);
return;
}
- usb_serial_debug_data(debug, &port->dev, __func__, urb->actual_length, data);
+ usb_serial_debug_data(debug, &port->dev, __func__,
+ urb->actual_length, data);
tty = port->tty;
if (tty && urb->actual_length) {
- tty_insert_flip_string (tty, data, urb->actual_length);
- tty_flip_buffer_push (tty);
+ tty_insert_flip_string(tty, data, urb->actual_length);
+ tty_flip_buffer_push(tty);
}
- result = usb_submit_urb (urb, GFP_ATOMIC);
+ result = usb_submit_urb(urb, GFP_ATOMIC);
if (result)
- dev_err(&port->dev, "%s - failed resubmitting read urb, error %d\n",
+ dev_err(&port->dev,
+ "%s - failed resubmitting read urb, error %d\n",
__func__, result);
return;
}
dbg("%s - port %d", __func__, port->number);
/* free up the transfer buffer, as usb_free_urb() does not do this */
- kfree (urb->transfer_buffer);
+ kfree(urb->transfer_buffer);
if (status)
dbg("%s - nonzero write bulk status received: %d",
}
usb_fill_bulk_urb(urb, serial->dev,
usb_rcvbulkpipe(serial->dev,
- port->bulk_out_endpointAddress),
+ port->bulk_out_endpointAddress),
buffer, buffer_size,
airprime_read_bulk_callback, port);
result = usb_submit_urb(urb, GFP_KERNEL);
__func__, i, port->number, result);
goto errout;
}
- /* remember this urb so we can kill it when the port is closed */
+ /* remember this urb so we can kill it when the
+ port is closed */
priv->read_urbp[i] = urb;
}
goto out;
errout:
- /* some error happened, cancel any submitted urbs and clean up anything that
- got allocated successfully */
+ /* some error happened, cancel any submitted urbs and clean up
+ anything that got allocated successfully */
while (i-- != 0) {
urb = priv->read_urbp[i];
buffer = urb->transfer_buffer;
- usb_kill_urb (urb);
- usb_free_urb (urb);
- kfree (buffer);
+ usb_kill_urb(urb);
+ usb_free_urb(urb);
+ kfree(buffer);
}
out:
return result;
}
-static void airprime_close(struct usb_serial_port *port, struct file * filp)
+static void airprime_close(struct usb_serial_port *port, struct file *filp)
{
struct airprime_private *priv = usb_get_serial_port_data(port);
int i;
mutex_unlock(&port->serial->disc_mutex);
for (i = 0; i < NUM_READ_URBS; ++i) {
- usb_kill_urb (priv->read_urbp[i]);
- kfree (priv->read_urbp[i]->transfer_buffer);
- usb_free_urb (priv->read_urbp[i]);
+ usb_kill_urb(priv->read_urbp[i]);
+ kfree(priv->read_urbp[i]->transfer_buffer);
+ usb_free_urb(priv->read_urbp[i]);
}
/* free up private structure */
- kfree (priv);
+ kfree(priv);
usb_set_serial_port_data(port, NULL);
}
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb) {
dev_err(&port->dev, "no more free urbs\n");
- kfree (buffer);
+ kfree(buffer);
return -ENOMEM;
}
- memcpy (buffer, buf, count);
+ memcpy(buffer, buf, count);
usb_serial_debug_data(debug, &port->dev, __func__, count, buffer);
"%s - usb_submit_urb(write bulk) failed with status = %d\n",
__func__, status);
count = status;
- kfree (buffer);
+ kfree(buffer);
} else {
spin_lock_irqsave(&priv->lock, flags);
++priv->outstanding_urbs;
}
/* we are done with this urb, so let the host driver
* really free it when it is finished with it */
- usb_free_urb (urb);
+ usb_free_urb(urb);
return count;
}
{
int retval;
- airprime_device.num_ports =
- (endpoints > 0 && endpoints <= MAX_BULK_EPS) ? endpoints : NUM_BULK_EPS;
+ airprime_device.num_ports = endpoints;
+ if (endpoints < 0 || endpoints >= MAX_BULK_EPS)
+ airprime_device.num_ports = NUM_BULK_EPS;
+
retval = usb_serial_register(&airprime_device);
if (retval)
return retval;
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Debug enabled");
module_param(buffer_size, int, 0);
-MODULE_PARM_DESC(buffer_size, "Size of the transfer buffers in bytes (default 4096)");
+MODULE_PARM_DESC(buffer_size,
+ "Size of the transfer buffers in bytes (default 4096)");
module_param(endpoints, int, 0);
MODULE_PARM_DESC(endpoints, "Number of bulk EPs to configure (default 3)");
#include <linux/usb.h>
#include <linux/usb/serial.h>
#include <linux/serial.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
static int debug;
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;
}
/*
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:
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
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff