serial: sh-sci: Fix module clock refcount for serial console.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index e5cf57f..1f89496 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -78,8 +78,10 @@
struct timer_list break_timer;
int break_flag;
+#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
/* Port clock */
struct clk *clk;
+#endif
};
#ifdef CONFIG_SH_KGDB
@@ -958,7 +960,9 @@
if (s->enable)
s->enable(port);
+#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
s->clk = clk_get(NULL, "module_clk");
+#endif
sci_request_irq(s);
sci_start_tx(port);
@@ -978,8 +982,10 @@
if (s->disable)
s->disable(port);
+#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
clk_put(s->clk);
s->clk = NULL;
+#endif
}
static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
@@ -1231,6 +1237,11 @@
port->type = serial_console_port->type;
+#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
+ if (!serial_console_port->clk)
+ serial_console_port->clk = clk_get(NULL, "module_clk");
+#endif
+
if (port->flags & UPF_IOREMAP)
sci_config_port(port, 0);