diff options
| author | David S. Miller <davem@davemloft.net> | 2011-02-19 19:17:35 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-02-19 19:17:35 -0800 |
| commit | da935c66bacb3ed9ada984b053297f87c2dff63a (patch) | |
| tree | 46278da2b312c73f1375b830d7e5912bf23abd78 /drivers/usb/serial/pl2303.c | |
| parent | 9435eb1cf0b76b323019cebf8d16762a50a12a19 (diff) | |
| parent | 2205a6ea93fea76f88b43727fea53f3ce3790d6f (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
Documentation/feature-removal-schedule.txt
drivers/net/e1000e/netdev.c
net/xfrm/xfrm_policy.c
Diffstat (limited to 'drivers/usb/serial/pl2303.c')
| -rw-r--r-- | drivers/usb/serial/pl2303.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 8ae4c6cbc38..08c9181b8e4 100644 --- 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) }, @@ -677,9 +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); @@ -701,11 +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) |