[SERIAL] Fix AMBA PL011 sysrq character handling

We only want the received character without the status bits for
sysrq handling.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
index 89d7bd3..d84476e 100644 (file)
--- a/drivers/serial/amba-pl011.c
+++ b/drivers/serial/amba-pl011.c
@@ -160,7 +160,7 @@ pl011_rx_chars(struct uart_amba_port *uap)
                                flag = TTY_FRAME;
                }
 
-               if (uart_handle_sysrq_char(&uap->port, ch, regs))
+               if (uart_handle_sysrq_char(&uap->port, ch & 255, regs))
                        goto ignore_char;
 
                uart_insert_char(&uap->port, ch, UART011_DR_OE, ch, flag);