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authorJason Wessel <jason.wessel@windriver.com>2009-05-29 13:34:16 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2009-06-15 21:44:46 -0700
commit430eb0d27c1b36c5191c16b2472b26137673a8d4 (patch)
tree0b6ccf46923fd36587441333bcf5a4d03dc45871 /drivers/usb/serial
parent830d1b188c997c4af094d4e20b194205ddbded13 (diff)
USB: pl2303 usb_serial: implement sysrq handling on break
Add callbacks to process the sysrq when using a pl2303 usb device as a console. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/serial')
-rw-r--r--drivers/usb/serial/pl2303.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index e02dc3d643c..6357b57f628 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -927,6 +927,8 @@ static void pl2303_update_line_status(struct usb_serial_port *port,
spin_lock_irqsave(&priv->lock, flags);
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);
}
@@ -1037,7 +1039,8 @@ static void pl2303_read_bulk_callback(struct urb *urb)
if (line_status & UART_OVERRUN_ERROR)
tty_insert_flip_char(tty, 0, TTY_OVERRUN);
for (i = 0; i < urb->actual_length; ++i)
- tty_insert_flip_char(tty, data[i], tty_flag);
+ if (!usb_serial_handle_sysrq_char(port, data[i]))
+ tty_insert_flip_char(tty, data[i], tty_flag);
tty_flip_buffer_push(tty);
}
tty_kref_put(tty);