[PATCH] serial: fix parisc boot hang

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From: James Bottomley <JBottomley@xxxxxxxxxxxxx>

This is a partial revert of 2f2dafe (serial: serial_core.c: printk
replacement) which gets us booting again.  The real problem seems to be
the _emit path in early boot.  However, until we can root cause it, we
need at least to get boot working.

Fixes: 2f2dafe77df2c78e189a9fa6b1879dffd06ae5a1
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: James Bottomley <JBottomley@xxxxxxxxxxxxx>

---

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 57ca61b..984605b 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -2164,7 +2164,9 @@ uart_report_port(struct uart_driver *drv, struct uart_port *port)
 		break;
 	}
 
-	dev_info(port->dev, "%s%d at %s (irq = %d, base_baud = %d) is a %s\n",
+	printk(KERN_INFO "%s%s%s%d at %s (irq = %d, base_baud = %d) is a %s\n",
+	       port->dev ? dev_name(port->dev) : "",
+	       port->dev ? ": " : "",
 	       drv->dev_name,
 	       drv->tty_driver->name_base + port->line,
 	       address, port->irq, port->uartclk / 16, uart_type(port));


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