serial: sh-sci: Convert to clk_prepare/unprepare

Turn clk_enable() and clk_disable() calls into clk_prepare_enable() and
clk_disable_unprepare() to get ready for the migration to the common
clock framework.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Magnus Damm <damm@opensource.se>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 1ebac3e..1a3fc7a 100644 (file)
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -421,9 +421,9 @@ static void sci_port_enable(struct sci_port *sci_port)
 
        pm_runtime_get_sync(sci_port->port.dev);
 
-       clk_enable(sci_port->iclk);
+       clk_prepare_enable(sci_port->iclk);
        sci_port->port.uartclk = clk_get_rate(sci_port->iclk);
-       clk_enable(sci_port->fclk);
+       clk_prepare_enable(sci_port->fclk);
 }
 
 static void sci_port_disable(struct sci_port *sci_port)
@@ -439,8 +439,8 @@ static void sci_port_disable(struct sci_port *sci_port)
        del_timer_sync(&sci_port->break_timer);
        sci_port->break_flag = 0;
 
-       clk_disable(sci_port->fclk);
-       clk_disable(sci_port->iclk);
+       clk_disable_unprepare(sci_port->fclk);
+       clk_disable_unprepare(sci_port->iclk);
 
        pm_runtime_put_sync(sci_port->port.dev);
 }