tegra, serial8250: add ->handle_break() uart_port op

[android-sdk/kernel-video.git] / include / linux / serial_core.h

diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index f51bf2e70c69605d8e298929a251490dbcf23bd2..0dd752f3039de143a4f957183d8b49a72b50bc50 100644 (file)
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -310,6 +310,7 @@ struct uart_port {
        int                     (*handle_irq)(struct uart_port *);
        void                    (*pm)(struct uart_port *, unsigned int state,
                                      unsigned int old);
+       void                    (*handle_break)(struct uart_port *);
        unsigned int            irq;                    /* irq number */
        unsigned long           irqflags;               /* irq flags  */
        unsigned int            uartclk;                /* base uart clock */
@@ -533,6 +534,10 @@ uart_handle_sysrq_char(struct uart_port *port, unsigned int ch)
 static inline int uart_handle_break(struct uart_port *port)
 {
        struct uart_state *state = port->state;
+
+       if (port->handle_break)
+               port->handle_break(port);
+
 #ifdef SUPPORT_SYSRQ
        if (port->cons && port->cons->index == port->line) {
                if (!port->sysrq) {