From: Jason Wessel Date: Fri, 29 May 2009 18:34:16 +0000 (-0500) Subject: USB: pl2303 usb_serial: implement sysrq handling on break X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=430eb0d27c1b36c5191c16b2472b26137673a8d4;p=linux-beck.git 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index e02dc3d643c7..6357b57f628c 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);