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authorPaul Mundt <lethal@linux-sh.org>2007-04-26 11:45:32 +0900
committerPaul Mundt <lethal@hera.kernel.org>2007-05-07 02:11:56 +0000
commit005a336e71e9e3ea356f9afca5d66318d6901319 (patch)
tree90e220ade282cc8b1cb0450e79c53707ce109221
parent1534a3b3dc1cbab006f0add253be1b095d738b82 (diff)
serial: sh-sci: Fix module clock refcount for serial console.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
-rw-r--r--drivers/serial/sh-sci.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index e5cf57f482cf..1f89496d530e 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -78,8 +78,10 @@ struct sci_port {
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 @@ static int sci_startup(struct uart_port *port)
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 @@ static void sci_shutdown(struct uart_port *port)
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 @@ static int __init serial_console_setup(struct console *co, char *options)
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);