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serial: sh-sci: Fix module clock refcounting. 

This adds the enable/disable hooks for the port clock to sh-sci.

Signed-off-by: dmitry pervushin <dimka@nomadgs.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
dmitry pervushin 2007-04-24 13:41:12 +09:00 committed by Paul Mundt
parent 1929cb340b
commit 1534a3b3dc
1 changed files with 9 additions and 3 deletions
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12
drivers/serial/sh-sci.c
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@ -77,6 +77,9 @@ struct sci_port {
/* Break timer */
struct timer_list break_timer;
int break_flag;
/* Port clock */
struct clk *clk;
};
#ifdef CONFIG_SH_KGDB
@ -955,6 +958,8 @@ static int sci_startup(struct uart_port *port)
if (s->enable)
s->enable(port);
s->clk = clk_get(NULL, "module_clk");
sci_request_irq(s);
sci_start_tx(port);
sci_start_rx(port, 1);
@ -972,6 +977,9 @@ static void sci_shutdown(struct uart_port *port)
if (s->disable)
s->disable(port);
clk_put(s->clk);
s->clk = NULL;
}
static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
@ -990,9 +998,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
default:
{
#if defined(CONFIG_SUPERH) && !defined(CONFIG_SUPERH64)
struct clk *clk = clk_get(NULL, "module_clk");
t = SCBRR_VALUE(baud, clk_get_rate(clk));
clk_put(clk);
t = SCBRR_VALUE(baud, clk_get_rate(s->clk));
#else
t = SCBRR_VALUE(baud);
#endif