serial: sh-sci: Kill off breakpoint in break IRQ.

With the GDB stub being entered via a special sysrq trigger,
we don't want to hit it directly from sci_br_interrupt().
Without this, there is access to the other sysrq triggers when
kgdb is enabled.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 94deebd..8f38721 100644 (file)
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -738,12 +738,6 @@ static irqreturn_t sci_br_interrupt(int irq, void *ptr)
 
        /* Handle BREAKs */
        sci_handle_breaks(port);
-
-#ifdef CONFIG_SH_KGDB
-       /* Break into the debugger if a break is detected */
-       breakpoint();
-#endif
-
        sci_out(port, SCxSR, SCxSR_BREAK_CLEAR(port));
 
        return IRQ_HANDLED;