Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

[sfrench/cifs-2.6.git] / drivers / usb / serial / pl2303.c

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 6b60018222790bed2ec8f77b637a19bfd08caa2a..08c9181b8e4823192ec880181bcccdb1fe3b4fd2 100644 (file)
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -50,6 +50,7 @@ static const struct usb_device_id id_table[] = {
        { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MMX) },
        { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_GPRS) },
        { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_HCR331) },
+       { USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_MOTOROLA) },
        { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID) },
        { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) },
        { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID) },
@@ -86,6 +87,7 @@ static const struct usb_device_id id_table[] = {
        { USB_DEVICE(SUPERIAL_VENDOR_ID, SUPERIAL_PRODUCT_ID) },
        { USB_DEVICE(HP_VENDOR_ID, HP_LD220_PRODUCT_ID) },
        { USB_DEVICE(CRESSI_VENDOR_ID, CRESSI_EDY_PRODUCT_ID) },
+       { USB_DEVICE(ZEAGLE_VENDOR_ID, ZEAGLE_N2ITION3_PRODUCT_ID) },
        { USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) },
        { USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) },
        { USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) },
@@ -676,9 +678,11 @@ static void pl2303_update_line_status(struct usb_serial_port *port,
 {
 
        struct pl2303_private *priv = usb_get_serial_port_data(port);
+       struct tty_struct *tty;
        unsigned long flags;
        u8 status_idx = UART_STATE;
        u8 length = UART_STATE + 1;
+       u8 prev_line_status;
        u16 idv, idp;
 
        idv = le16_to_cpu(port->serial->dev->descriptor.idVendor);
@@ -700,11 +704,20 @@ static void pl2303_update_line_status(struct usb_serial_port *port,
 
        /* Save off the uart status for others to look at */
        spin_lock_irqsave(&priv->lock, flags);
+       prev_line_status = priv->line_status;
        priv->line_status = data[status_idx];
        spin_unlock_irqrestore(&priv->lock, flags);
        if (priv->line_status & UART_BREAK_ERROR)
                usb_serial_handle_break(port);
        wake_up_interruptible(&priv->delta_msr_wait);
+
+       tty = tty_port_tty_get(&port->port);
+       if (!tty)
+               return;
+       if ((priv->line_status ^ prev_line_status) & UART_DCD)
+               usb_serial_handle_dcd_change(port, tty,
+                               priv->line_status & UART_DCD);
+       tty_kref_put(tty);
 }
 
 static void pl2303_read_int_callback(struct urb *urb)
@@ -788,7 +801,7 @@ static void pl2303_process_read_urb(struct urb *urb)
 
        if (port->port.console && port->sysrq) {
                for (i = 0; i < urb->actual_length; ++i)
-                       if (!usb_serial_handle_sysrq_char(tty, port, data[i]))
+                       if (!usb_serial_handle_sysrq_char(port, data[i]))
                                tty_insert_flip_char(tty, data[i], tty_flag);
        } else {
                tty_insert_flip_string_fixed_flag(tty, data, tty_flag,