The original driver completed with TX function, but RX/MSR/MCR/LSR is not
workable with this driver. So we rewrite it to make this device workable.
This patch is tested with PassMark BurnInTest with Cycle-to-115200 +
MCR/MSR check for 15mins & checked with Suspend-To-RAM/DISK
Signed-off-by: Peter Hung <hpeter+linux_kernel@xxxxxxxxx>
---
drivers/usb/serial/f81232.c | 528 ++++++++++++++++++++++++++++++++++++--------
1 file changed, 440 insertions(+), 88 deletions(-)
diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c
index c5dc233..5ae6bc9 100644
--- a/drivers/usb/serial/f81232.c
+++ b/drivers/usb/serial/f81232.c
@@ -23,9 +23,16 @@
#include <linux/uaccess.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
+#include <linux/serial_reg.h>
+#include <linux/version.h>
+
+#define FINTEK_MAGIC 'F'
+#define FINTEK_GET_ID _IOR(FINTEK_MAGIC, 3, int)
+#define FINTEK_VENDOR_ID 0x1934
+#define FINTEK_DEVICE_ID 0x0706 /* RS232 1 port */
static const struct usb_device_id id_table[] = {
- { USB_DEVICE(0x1934, 0x0706) },
+ { USB_DEVICE(FINTEK_VENDOR_ID, FINTEK_DEVICE_ID) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, id_table);
@@ -37,30 +44,257 @@ MODULE_DEVICE_TABLE(usb, id_table);
#define UART_STATE_TRANSIENT_MASK 0x74
#define UART_DCD 0x01
#define UART_DSR 0x02
-#define UART_BREAK_ERROR 0x04
#define UART_RING 0x08
-#define UART_FRAME_ERROR 0x10
-#define UART_PARITY_ERROR 0x20
-#define UART_OVERRUN_ERROR 0x40
#define UART_CTS 0x80
+
+#define UART_BREAK_ERROR 0x10
+#define UART_FRAME_ERROR 0x08
+#define UART_PARITY_ERROR 0x04
+#define UART_OVERRUN_ERROR 0x02
+
+
+#define SERIAL_EVEN_PARITY (UART_LCR_PARITY | UART_LCR_EPAR)
+
+
+#define REGISTER_REQUEST 0xA0
+#define F81232_USB_TIMEOUT 1000
+#define F81232_USB_RETRY 20
+
+
+#define SERIAL_BASE_ADDRESS ((__u16)0x0120)
+#define RECEIVE_BUFFER_REGISTER ((__u16)(0x00) + SERIAL_BASE_ADDRESS)
+#define TRANSMIT_HOLDING_REGISTER ((__u16)(0x00) + SERIAL_BASE_ADDRESS)
+#define INTERRUPT_ENABLE_REGISTER ((__u16)(0x01) + SERIAL_BASE_ADDRESS)
+#define INTERRUPT_IDENT_REGISTER ((__u16)(0x02) + SERIAL_BASE_ADDRESS)
+#define FIFO_CONTROL_REGISTER ((__u16)(0x02) + SERIAL_BASE_ADDRESS)
+#define LINE_CONTROL_REGISTER ((__u16)(0x03) + SERIAL_BASE_ADDRESS)
+#define MODEM_CONTROL_REGISTER ((__u16)(0x04) + SERIAL_BASE_ADDRESS)
+#define LINE_STATUS_REGISTER ((__u16)(0x05) + SERIAL_BASE_ADDRESS)
+#define MODEM_STATUS_REGISTER ((__u16)(0x06) + SERIAL_BASE_ADDRESS)
+
+static int m_enable_debug;
+
+module_param(m_enable_debug, int, S_IRUGO);
+MODULE_PARM_DESC(m_enable_debug, "Debugging mode enabled or not");
+
+#define LOG_MESSAGE(x, y, ...) \
+ printk(x y, ##__VA_ARGS__)
+
+#define LOG_DEBUG_MESSAGE(level, y, ...) \
+ do { if (unlikely(m_enable_debug)) \
+ printk(level y, ##__VA_ARGS__); } while (0)
+
+
struct f81232_private {
spinlock_t lock;
- u8 line_control;
- u8 line_status;
+ u8 modem_control;
+ u8 modem_status;
+ struct usb_device *dev;
+
+ struct work_struct int_worker;
+ struct usb_serial_port *port;
};
-static void f81232_update_line_status(struct usb_serial_port *port,
- unsigned char *data,
- unsigned int actual_length)
+
+static inline int calc_baud_divisor(u32 baudrate)
{
- /*
- * FIXME: Update port->icount, and call
- *
- * wake_up_interruptible(&port->port.delta_msr_wait);
- *
- * on MSR changes.
- */
+ u32 divisor, rem;
+
+ divisor = 115200L / baudrate;
+ rem = 115200L % baudrate;
+
+ /* Round to nearest divisor */
+ if (((rem * 2) >= baudrate) && (baudrate != 110))
+ divisor++;
+
+ return divisor;
+}
+
+
+static inline int f81232_get_register(struct usb_device *dev,
+ u16 reg, u8 *data)
+{
+ int status;
+ int i = 0;
+timeout_get_repeat:
+
+ status = usb_control_msg(dev,
+ usb_rcvctrlpipe(dev, 0),
+ REGISTER_REQUEST,
+ 0xc0,
+ reg,
+ 0,
+ data,
+ sizeof(*data),
+ F81232_USB_TIMEOUT);
+ if (status < 0) {
+ i++;
+
+ if (i < F81232_USB_RETRY) {
+ mdelay(1);
+ goto timeout_get_repeat;
+ }
+ }
+ return status;
+}
+
+
+static inline int f81232_set_register(struct usb_device *dev,
+ u16 reg, u8 data)
+{
+ int status;
+ int i = 0;
+
+timeout_set_repeat:
+ status = 0;
+
+ status = usb_control_msg(dev,
+ usb_sndctrlpipe(dev, 0),
+ REGISTER_REQUEST,
+ 0x40,
+ reg,
+ 0,
+ &data,
+ 1,
+ F81232_USB_TIMEOUT);
+
+ if (status < 0) {
+ i++;
+ if (i < F81232_USB_RETRY) {
+ mdelay(1);
+ goto timeout_set_repeat;
+ }
+ }
+
+ return status;
+}
+
+static void f81232_read_msr(struct f81232_private *priv)
+{
+ unsigned long flags;
+ u8 current_msr, old_msr;
+
+ f81232_get_register(priv->dev,
+ MODEM_STATUS_REGISTER, ¤t_msr);
+
+ spin_lock_irqsave(&priv->lock, flags);
+ old_msr = priv->modem_status;
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+
+ if ((current_msr & 0xf0) ^ (old_msr & 0xf0)) {
+ usb_serial_handle_dcd_change(priv->port, priv->port->port.tty,
+ current_msr & UART_MSR_DCD);
+
+ spin_lock_irqsave(&priv->lock, flags);
+ priv->modem_status = current_msr;
+ spin_unlock_irqrestore(&priv->lock, flags);
+ }
+
+
+ LOG_DEBUG_MESSAGE(KERN_INFO,
+ "f81232_read_msr: %x\n", priv->modem_status);
+}
+
+
+static inline int update_mctrl(struct f81232_private *port_priv,
+ unsigned int set, unsigned int clear)
+{
+ struct usb_device *dev = port_priv->dev;
+ u8 urb_value;
+ int status;
+ unsigned long flags;
+
+ if (((set | clear) & (TIOCM_DTR | TIOCM_RTS)) == 0) {
+ LOG_DEBUG_MESSAGE(KERN_INFO,
+ "[FINTEK]:update_mctrl fail - DTR|RTS %d\n",
+ __LINE__);
+
+ return 0; /* no change */
+ }
+
+
+ clear &= ~set; /* 'set' takes precedence over 'clear' */
+ urb_value = 8 | port_priv->modem_control;
+
+
+ if (clear & TIOCM_DTR) {
+ urb_value &= ~UART_MCR_DTR;
+ LOG_DEBUG_MESSAGE(KERN_INFO,
+ "[FINTEK]: port:%d clear DTR\n", 0);
+ }
+
+ if (clear & TIOCM_RTS) {
+ urb_value &= ~UART_MCR_RTS;
+ LOG_DEBUG_MESSAGE(KERN_INFO,
+ "[FINTEK]: port:%d clear RTS\n", 0);
+ }
+
+ if (set & TIOCM_DTR) {
+ urb_value |= UART_MCR_DTR;
+ LOG_DEBUG_MESSAGE(KERN_INFO, "[FINTEK]: port:%d set DTR\n", 0);
+ }
+
+ if (set & TIOCM_RTS) {
+ urb_value |= UART_MCR_RTS;
+ LOG_DEBUG_MESSAGE(KERN_INFO, "[FINTEK]: port:%d set RTS\n", 0);
+ }
+ /* urb_value &= ~UART_MCR_RTS; */
+
+
+ /* if(urb_value != port_priv->modem_control) { */
+ LOG_DEBUG_MESSAGE(KERN_INFO,
+ "[fintek]: update_mctrl urb_value:%x, modem_control:%x\n",
+ urb_value,
+ port_priv->modem_control);
+
+ status = f81232_set_register(dev, MODEM_CONTROL_REGISTER, urb_value);
+
+ if (status < 0) {
+ LOG_DEBUG_MESSAGE(KERN_INFO,
+ "[FINTEK]: MODEM_CONTROL_REGISTER < 0\n");
+ } else {
+ spin_lock_irqsave(&port_priv->lock, flags);
+ port_priv->modem_control = urb_value;
+ spin_unlock_irqrestore(&port_priv->lock, flags);
+ }
+
+ f81232_read_msr(port_priv);
+
+ return status;
+}
+
+static void f81232_iir_status(struct usb_serial_port *port,
+ unsigned char *data,
+ unsigned int actual_length)
+{
+ /* IIR Section*/
+
+ struct f81232_private *priv = usb_get_serial_port_data(port);
+
+ if (!actual_length)
+ return;
+
+ switch (data[0] & 0x07) {
+ case 0x00: /* msr change */
+ LOG_DEBUG_MESSAGE(KERN_INFO,
+ "[fintek]: IIR: MSR Change: %x\n", data[0]);
+ schedule_work(&priv->int_worker);
+ break;
+
+ case 0x02: /* tx-empty */
+ break;
+
+ case 0x04: /* rx data available */
+ break;
+
+ case 0x06: /* lsr change */
+ LOG_DEBUG_MESSAGE(KERN_INFO,
+ "[fintek]: IIR: LSR Change: %x\n", data[0]);
+ break;
+ }
+
}
static void f81232_read_int_callback(struct urb *urb)
@@ -80,48 +314,43 @@ static void f81232_read_int_callback(struct urb *urb)
case -ESHUTDOWN:
/* this urb is terminated, clean up */
dev_dbg(&port->dev, "%s - urb shutting down with status: %d\n",
- __func__, status);
+ __func__, status);
return;
default:
dev_dbg(&port->dev, "%s - nonzero urb status received: %d\n",
- __func__, status);
+ __func__, status);
goto exit;
}
usb_serial_debug_data(&port->dev, __func__,
- urb->actual_length, urb->transfer_buffer);
+ urb->actual_length, urb->transfer_buffer);
- f81232_update_line_status(port, data, actual_length);
+ f81232_iir_status(port, data, actual_length);
exit:
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval)
dev_err(&urb->dev->dev,
- "%s - usb_submit_urb failed with result %d\n",
- __func__, retval);
+ "%s - usb_submit_urb failed with result %d\n",
+ __func__, retval);
}
-static void f81232_process_read_urb(struct urb *urb)
+static void f81232_read_bulk_callback(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
- struct f81232_private *priv = usb_get_serial_port_data(port);
unsigned char *data = urb->transfer_buffer;
char tty_flag = TTY_NORMAL;
- unsigned long flags;
- u8 line_status;
+ u8 line_status = 0;
int i;
- /* update line status */
- spin_lock_irqsave(&priv->lock, flags);
- line_status = priv->line_status;
- priv->line_status &= ~UART_STATE_TRANSIENT_MASK;
- spin_unlock_irqrestore(&priv->lock, flags);
if (!urb->actual_length)
return;
/* break takes precedence over parity, */
/* which takes precedence over framing errors */
+
+#if 0
if (line_status & UART_BREAK_ERROR)
tty_flag = TTY_BREAK;
else if (line_status & UART_PARITY_ERROR)
@@ -129,28 +358,22 @@ static void f81232_process_read_urb(struct urb *urb)
else if (line_status & UART_FRAME_ERROR)
tty_flag = TTY_FRAME;
dev_dbg(&port->dev, "%s - tty_flag = %d\n", __func__, tty_flag);
+#endif
- /* overrun is special, not associated with a char */
- if (line_status & UART_OVERRUN_ERROR)
- tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
+ if (urb->actual_length >= 2) {
- if (port->port.console && port->sysrq) {
- for (i = 0; i < urb->actual_length; ++i)
- if (!usb_serial_handle_sysrq_char(port, data[i]))
- tty_insert_flip_char(&port->port, data[i],
- tty_flag);
- } else {
- tty_insert_flip_string_fixed_flag(&port->port, data, tty_flag,
- urb->actual_length);
- }
+ for (i = 0 ; i < urb->actual_length ; i += 2) {
+ line_status |= data[i+0];
+ tty_insert_flip_string_fixed_flag(&port->port,
+ &data[i+1], tty_flag, 1);
+ }
- tty_flip_buffer_push(&port->port);
-}
+ if (unlikely(line_status & UART_OVERRUN_ERROR))
+ tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
+
+ tty_flip_buffer_push(&port->port);
+ }
-static int set_control_lines(struct usb_device *dev, u8 value)
-{
- /* FIXME - Stubbed out for now */
- return 0;
}
static void f81232_break_ctl(struct tty_struct *tty, int break_state)
@@ -165,30 +388,117 @@ static void f81232_break_ctl(struct tty_struct *tty, int break_state)
}
static void f81232_set_termios(struct tty_struct *tty,
- struct usb_serial_port *port, struct ktermios *old_termios)
+ struct usb_serial_port *port,
+ struct ktermios *old_termios)
{
- /* FIXME - Stubbed out for now */
+ u16 divisor;
+ u16 new_lcr = 0;
+/*
+The following comment is for legacy 3.7.0- kernel, You
+can uncomment and build it if toy need
+*/
- /* Don't change anything if nothing has changed */
- if (old_termios && !tty_termios_hw_change(&tty->termios, old_termios))
- return;
+/*
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 0)
+ struct ktermios *termios = &tty->termios;
+#else
+ struct ktermios *termios = tty->termios;
+#endif
+*/
+ struct ktermios *termios = &tty->termios;
+
+ unsigned int cflag = termios->c_cflag;
+ int status;
+
+ struct usb_device *dev = port->serial->dev;
+
+ divisor = calc_baud_divisor(tty_get_baud_rate(tty));
+
+ status = f81232_set_register(dev, LINE_CONTROL_REGISTER,
+ UART_LCR_DLAB); /* DLAB */
+ mdelay(1);
+ status = f81232_set_register(dev, RECEIVE_BUFFER_REGISTER,
+ divisor & 0x00ff); /* low */
+ mdelay(1);
+ status = f81232_set_register(dev, INTERRUPT_ENABLE_REGISTER,
+ (divisor & 0xff00) >> 8); /* high */
+ mdelay(1);
+ status = f81232_set_register(dev, LINE_CONTROL_REGISTER, 0x00);
+ mdelay(1);
+
+ if (cflag & PARENB) {
+ if (cflag & PARODD)
+ new_lcr |= UART_LCR_PARITY; /* odd */
+ else
+ new_lcr |= SERIAL_EVEN_PARITY; /* even */
+ }
+
+
+ if (cflag & CSTOPB)
+ new_lcr |= UART_LCR_STOP;
+ else
+ new_lcr &= ~UART_LCR_STOP;
+
+ switch (cflag & CSIZE) {
+ case CS5:
+ new_lcr |= UART_LCR_WLEN5;
+ break;
+ case CS6:
+ new_lcr |= UART_LCR_WLEN6;
+ break;
+ case CS7:
+ new_lcr |= UART_LCR_WLEN7;
+ break;
+ default:
+ case CS8:
+ new_lcr |= UART_LCR_WLEN8;
+ break;
+ }
+
+ status |= f81232_set_register(dev, LINE_CONTROL_REGISTER, new_lcr);
+
+ status |= f81232_set_register(dev, FIFO_CONTROL_REGISTER,
+ 0x87); /* fifo, trigger8 */
+ status |= f81232_set_register(dev,
+ INTERRUPT_ENABLE_REGISTER, 0xf); /* IER */
+
+ if (status < 0) {
+ LOG_MESSAGE(KERN_INFO,
+ "[Fintek]: LINE_CONTROL_REGISTER set error: %d\n"
+ , status);
+ }
- /* Do the real work here... */
- if (old_termios)
- tty_termios_copy_hw(&tty->termios, old_termios);
}
static int f81232_tiocmget(struct tty_struct *tty)
{
- /* FIXME - Stubbed out for now */
- return 0;
+ int r;
+ struct usb_serial_port *port = tty->driver_data;
+ struct f81232_private *port_priv = usb_get_serial_port_data(port);
+ unsigned long flags;
+
+ LOG_DEBUG_MESSAGE(KERN_INFO, "f81232_tiocmget in\n");
+ spin_lock_irqsave(&port_priv->lock, flags);
+ r = (port_priv->modem_control & UART_MCR_DTR ? TIOCM_DTR : 0) |
+ (port_priv->modem_control & UART_MCR_RTS ? TIOCM_RTS : 0) |
+ (port_priv->modem_status & UART_MSR_CTS ? TIOCM_CTS : 0) |
+ (port_priv->modem_status & UART_MSR_DCD ? TIOCM_CAR : 0) |
+ (port_priv->modem_status & UART_MSR_RI ? TIOCM_RI : 0) |
+ (port_priv->modem_status & UART_MSR_DSR ? TIOCM_DSR : 0);
+ spin_unlock_irqrestore(&port_priv->lock, flags);
+ LOG_DEBUG_MESSAGE(KERN_INFO, "f81232_tiocmget out\n");
+ return r;
}
static int f81232_tiocmset(struct tty_struct *tty,
- unsigned int set, unsigned int clear)
+ unsigned int set,
+ unsigned int clear)
{
- /* FIXME - Stubbed out for now */
- return 0;
+ struct usb_serial_port *port = tty->driver_data;
+ struct f81232_private *port_priv =
+ usb_get_serial_port_data(port);
+
+ return update_mctrl(port_priv, set, clear);
}
static int f81232_open(struct tty_struct *tty, struct usb_serial_port *port)
@@ -201,12 +511,14 @@ static int f81232_open(struct tty_struct *tty, struct usb_serial_port *port)
result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
if (result) {
- dev_err(&port->dev, "%s - failed submitting interrupt urb,"
- " error %d\n", __func__, result);
+ dev_err(&port->dev,
+ "%s - failed submitting interrupt urb, error %d\n"
+ , __func__, result);
return result;
}
result = usb_serial_generic_open(tty, port);
+
if (result) {
usb_kill_urb(port->interrupt_in_urb);
return result;
@@ -217,6 +529,7 @@ static int f81232_open(struct tty_struct *tty, struct usb_serial_port *port)
static void f81232_close(struct usb_serial_port *port)
{
+
usb_serial_generic_close(port);
usb_kill_urb(port->interrupt_in_urb);
}
@@ -224,52 +537,89 @@ static void f81232_close(struct usb_serial_port *port)
static void f81232_dtr_rts(struct usb_serial_port *port, int on)
{
struct f81232_private *priv = usb_get_serial_port_data(port);
- unsigned long flags;
- u8 control;
- spin_lock_irqsave(&priv->lock, flags);
- /* Change DTR and RTS */
if (on)
- priv->line_control |= (CONTROL_DTR | CONTROL_RTS);
+ update_mctrl(priv, TIOCM_DTR | TIOCM_RTS, 0);
else
- priv->line_control &= ~(CONTROL_DTR | CONTROL_RTS);
- control = priv->line_control;
- spin_unlock_irqrestore(&priv->lock, flags);
- set_control_lines(port->serial->dev, control);
+ update_mctrl(priv, 0, TIOCM_DTR | TIOCM_RTS);
}
static int f81232_carrier_raised(struct usb_serial_port *port)
{
struct f81232_private *priv = usb_get_serial_port_data(port);
- if (priv->line_status & UART_DCD)
+ unsigned long flags;
+ int modem_status;
+
+ spin_lock_irqsave(&priv->lock, flags);
+ modem_status = priv->modem_status;
+ spin_unlock_irqrestore(&priv->lock, flags);
+
+ if (modem_status & UART_DCD)
return 1;
return 0;
}
+static int f81232_get_id(struct usb_serial_port *port, int __user *arg)
+{
+ /* 0x19340706 */
+ int data = (FINTEK_VENDOR_ID << 16) | FINTEK_DEVICE_ID;
+
+ if (copy_to_user((int __user *) arg, &data, sizeof(int)))
+ return -EFAULT;
+
+ return 0;
+}
+
+
static int f81232_ioctl(struct tty_struct *tty,
- unsigned int cmd, unsigned long arg)
+ unsigned int cmd,
+ unsigned long arg)
{
struct serial_struct ser;
struct usb_serial_port *port = tty->driver_data;
switch (cmd) {
case TIOCGSERIAL:
- memset(&ser, 0, sizeof ser);
- ser.type = PORT_16654;
+ memset(&ser, 0, sizeof(ser));
+ ser.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
+ ser.xmit_fifo_size = port->bulk_out_size;
+ ser.close_delay = 5*HZ;
+ ser.closing_wait = 30*HZ;
+
+ ser.type = PORT_16550A;
ser.line = port->minor;
ser.port = port->port_number;
- ser.baud_base = 460800;
+ ser.baud_base = 115200;
- if (copy_to_user((void __user *)arg, &ser, sizeof ser))
+ if (copy_to_user((void __user *)arg, &ser, sizeof(ser)))
return -EFAULT;
return 0;
+
+ case FINTEK_GET_ID:
+ return f81232_get_id(port, (int __user *)arg);
+
default:
break;
}
return -ENOIOCTLCMD;
}
+
+
+
+static void f81232_int_work_wq(struct work_struct *work)
+{
+ struct f81232_private *priv =
+ container_of(work, struct f81232_private, int_worker);
+
+
+ LOG_DEBUG_MESSAGE(KERN_INFO, "f81232_int_work_wq\n");
+ f81232_read_msr(priv);
+
+
+}
+
static int f81232_port_probe(struct usb_serial_port *port)
{
struct f81232_private *priv;
@@ -279,10 +629,12 @@ static int f81232_port_probe(struct usb_serial_port *port)
return -ENOMEM;
spin_lock_init(&priv->lock);
+ INIT_WORK(&priv->int_worker, f81232_int_work_wq);
usb_set_serial_port_data(port, priv);
- port->port.drain_delay = 256;
+ priv->dev = port->serial->dev;
+ priv->port = port;
return 0;
}
@@ -304,22 +656,21 @@ static struct usb_serial_driver f81232_device = {
},
.id_table = id_table,
.num_ports = 1,
- .bulk_in_size = 256,
- .bulk_out_size = 256,
+ .bulk_in_size = 64,
+ .bulk_out_size = 64,
.open = f81232_open,
.close = f81232_close,
- .dtr_rts = f81232_dtr_rts,
+ .dtr_rts = f81232_dtr_rts,
.carrier_raised = f81232_carrier_raised,
.ioctl = f81232_ioctl,
.break_ctl = f81232_break_ctl,
.set_termios = f81232_set_termios,
.tiocmget = f81232_tiocmget,
.tiocmset = f81232_tiocmset,
- .tiocmiwait = usb_serial_generic_tiocmiwait,
- .process_read_urb = f81232_process_read_urb,
+ .process_read_urb = f81232_read_bulk_callback,
.read_int_callback = f81232_read_int_callback,
.port_probe = f81232_port_probe,
- .port_remove = f81232_port_remove,
+ .port_remove = f81232_port_remove,
};
static struct usb_serial_driver * const serial_drivers[] = {
@@ -330,5 +681,6 @@ static struct usb_serial_driver * const serial_drivers[] = {
module_usb_serial_driver(serial_drivers, id_table);
MODULE_DESCRIPTION("Fintek F81232 USB to serial adaptor driver");
-MODULE_AUTHOR("Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx");
+MODULE_AUTHOR("Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>");
+MODULE_AUTHOR("Peter Hong <peter_hong@xxxxxxxxxxxxx>");
MODULE_LICENSE("GPL v2");
--
1.9.1
--
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