From 005a336e71e9e3ea356f9afca5d66318d6901319 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Thu, 26 Apr 2007 11:45:32 +0900 Subject: [PATCH] serial: sh-sci: Fix module clock refcount for serial console. Signed-off-by: Paul Mundt --- drivers/serial/sh-sci.c | 11 +++++++++++ 1 file changed, 11 insertions(+) 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); -- 2.20.1