1 files changed, 59 insertions, 6 deletions

diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 2c7a66af4f52..f9a24f4ebb34 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -102,6 +102,8 @@ struct uart_sunzilog_port {
 #endif
 };
 
+static void sunzilog_putchar(struct uart_port *port, int ch);
+
 #define ZILOG_CHANNEL_FROM_PORT(PORT)   ((struct zilog_channel __iomem *)((PORT)->membase))
 #define UART_ZILOG(PORT)                ((struct uart_sunzilog_port *)(PORT))
 
@@ -996,6 +998,50 @@ static int sunzilog_verify_port(struct uart_port *port, struct serial_struct *se
         return -EINVAL;
 }
 
+#ifdef CONFIG_CONSOLE_POLL
+static int sunzilog_get_poll_char(struct uart_port *port)
+{
+        unsigned char ch, r1;
+        struct uart_sunzilog_port *up = (struct uart_sunzilog_port *) port;
+        struct zilog_channel __iomem *channel
+                = ZILOG_CHANNEL_FROM_PORT(&up->port);
+
+
+        r1 = read_zsreg(channel, R1);
+        if (r1 & (PAR_ERR | Rx_OVR | CRC_ERR)) {
+                writeb(ERR_RES, &channel->control);
+                ZSDELAY();
+                ZS_WSYNC(channel);
+        }
+
+        ch = readb(&channel->control);
+        ZSDELAY();
+
+        /* This funny hack depends upon BRK_ABRT not interfering
+         * with the other bits we care about in R1.
+         */
+        if (ch & BRK_ABRT)
+                r1 |= BRK_ABRT;
+
+        if (!(ch & Rx_CH_AV))
+                return NO_POLL_CHAR;
+
+        ch = readb(&channel->data);
+        ZSDELAY();
+
+        ch &= up->parity_mask;
+        return ch;
+}
+
+static void sunzilog_put_poll_char(struct uart_port *port,
+                        unsigned char ch)
+{
+        struct uart_sunzilog_port *up = (struct uart_sunzilog_port *)port;
+
+        sunzilog_putchar(&up->port, ch);
+}
+#endif /* CONFIG_CONSOLE_POLL */
+
 static struct uart_ops sunzilog_pops = {
         .tx_empty       =       sunzilog_tx_empty,
         .set_mctrl      =       sunzilog_set_mctrl,
@@ -1013,6 +1059,10 @@ static struct uart_ops sunzilog_pops = {
         .request_port   =       sunzilog_request_port,
         .config_port    =       sunzilog_config_port,
         .verify_port    =       sunzilog_verify_port,
+#ifdef CONFIG_CONSOLE_POLL
+        .poll_get_char  =       sunzilog_get_poll_char,
+        .poll_put_char  =       sunzilog_put_poll_char,
+#endif
 };
 
 static int uart_chip_count;
@@ -1180,7 +1230,7 @@ static int __init sunzilog_console_setup(struct console *con, char *options)
                (sunzilog_reg.minor - 64) + con->index, con->index);
 
         /* Get firmware console settings.  */
-        sunserial_console_termios(con, to_of_device(up->port.dev)->node);
+        sunserial_console_termios(con, to_of_device(up->port.dev)->dev.of_node);
 
         /* Firmware console speed is limited to 150-->38400 baud so
          * this hackish cflag thing is OK.
@@ -1358,7 +1408,7 @@ static int __devinit zs_probe(struct of_device *op, const struct of_device_id *m
         int keyboard_mouse = 0;
         int err;
 
-        if (of_find_property(op->node, "keyboard", NULL))
+        if (of_find_property(op->dev.of_node, "keyboard", NULL))
                 keyboard_mouse = 1;
 
         /* uarts must come before keyboards/mice */
@@ -1415,7 +1465,7 @@ static int __devinit zs_probe(struct of_device *op, const struct of_device_id *m
         sunzilog_init_hw(&up[1]);
 
         if (!keyboard_mouse) {
-                if (sunserial_console_match(SUNZILOG_CONSOLE(), op->node,
+                if (sunserial_console_match(SUNZILOG_CONSOLE(), op->dev.of_node,
                                             &sunzilog_reg, up[0].port.line,
                                             false))
                         up->flags |= SUNZILOG_FLAG_IS_CONS;
@@ -1425,7 +1475,7 @@ static int __devinit zs_probe(struct of_device *op, const struct of_device_id *m
                                    rp, sizeof(struct zilog_layout));
                         return err;
                 }
-                if (sunserial_console_match(SUNZILOG_CONSOLE(), op->node,
+                if (sunserial_console_match(SUNZILOG_CONSOLE(), op->dev.of_node,
                                             &sunzilog_reg, up[1].port.line,
                                             false))
                         up->flags |= SUNZILOG_FLAG_IS_CONS;
@@ -1491,8 +1541,11 @@ static const struct of_device_id zs_match[] = {
 MODULE_DEVICE_TABLE(of, zs_match);
 
 static struct of_platform_driver zs_driver = {
-        .name           = "zs",
-        .match_table    = zs_match,
+        .driver = {
+                .name = "zs",
+                .owner = THIS_MODULE,
+                .of_match_table = zs_match,
+        },
         .probe          = zs_probe,
         .remove         = __devexit_p(zs_remove),
 };