Merge branch 'release-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/ak...

[pandora-kernel.git] / drivers / serial / dz.c

diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c
index 0dddd68..6042b87 100644 (file)
--- a/drivers/serial/dz.c
+++ b/drivers/serial/dz.c
@@ -197,7 +197,7 @@ static inline void dz_receive_chars(struct dz_mux *mux)
        while ((status = dz_in(dport, DZ_RBUF)) & DZ_DVAL) {
                dport = &mux->dport[LINE(status)];
                uport = &dport->port;
-               tty = uport->info->tty;         /* point to the proper dev */
+               tty = uport->info->port.tty;    /* point to the proper dev */
 
                ch = UCHAR(status);             /* grab the char */
                flag = TTY_NORMAL;
@@ -249,7 +249,7 @@ static inline void dz_receive_chars(struct dz_mux *mux)
        }
        for (i = 0; i < DZ_NB_PORT; i++)
                if (lines_rx[i])
-                       tty_flip_buffer_push(mux->dport[i].port.info->tty);
+                       tty_flip_buffer_push(mux->dport[i].port.info->port.tty);
 }
 
 /*
@@ -642,6 +642,26 @@ static void dz_set_termios(struct uart_port *uport, struct ktermios *termios,
        spin_unlock_irqrestore(&dport->port.lock, flags);
 }
 
+/*
+ * Hack alert!
+ * Required solely so that the initial PROM-based console
+ * works undisturbed in parallel with this one.
+ */
+static void dz_pm(struct uart_port *uport, unsigned int state,
+                 unsigned int oldstate)
+{
+       struct dz_port *dport = to_dport(uport);
+       unsigned long flags;
+
+       spin_lock_irqsave(&dport->port.lock, flags);
+       if (state < 3)
+               dz_start_tx(&dport->port);
+       else
+               dz_stop_tx(&dport->port);
+       spin_unlock_irqrestore(&dport->port.lock, flags);
+}
+
+
 static const char *dz_type(struct uart_port *uport)
 {
        return "DZ";
@@ -738,6 +758,7 @@ static struct uart_ops dz_ops = {
        .startup        = dz_startup,
        .shutdown       = dz_shutdown,
        .set_termios    = dz_set_termios,
+       .pm             = dz_pm,
        .type           = dz_type,
        .release_port   = dz_release_port,
        .request_port   = dz_request_port,
@@ -861,7 +882,10 @@ static int __init dz_console_setup(struct console *co, char *options)
        if (ret)
                return ret;
 
+       spin_lock_init(&dport->port.lock);      /* For dz_pm().  */
+
        dz_reset(dport);
+       dz_pm(uport, 0, -1);
 
        if (options)
                uart_parse_options(options, &baud, &parity, &bits, &flow);