serial: pxa: add clk_prepare/clk_unprepare calls

This patch adds clk_prepare/clk_unprepare calls to the serial/pxa
driver by using the helper functions clk_prepare_enable and
clk_disable_unprepare.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Cc: Haojian Zhuang <haojian.zhuang@marvell.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c
index 5c8e3bba6c84..e2fd3d8e0ab4 100644
--- a/drivers/tty/serial/pxa.c
+++ b/drivers/tty/serial/pxa.c
@@ -579,9 +579,9 @@ serial_pxa_pm(struct uart_port *port, unsigned int state,
         struct uart_pxa_port *up = (struct uart_pxa_port *)port;
 
         if (!state)
-                clk_enable(up->clk);
+                clk_prepare_enable(up->clk);
         else
-                clk_disable(up->clk);
+                clk_disable_unprepare(up->clk);
 }
 
 static void serial_pxa_release_port(struct uart_port *port)
@@ -668,7 +668,7 @@ serial_pxa_console_write(struct console *co, const char *s, unsigned int count)
         struct uart_pxa_port *up = serial_pxa_ports[co->index];
         unsigned int ier;
 
-        clk_enable(up->clk);
+        clk_prepare_enable(up->clk);
 
         /*
          *      First save the IER then disable the interrupts
@@ -685,7 +685,7 @@ serial_pxa_console_write(struct console *co, const char *s, unsigned int count)
         wait_for_xmitr(up);
         serial_out(up, UART_IER, ier);
 
-        clk_disable(up->clk);
+        clk_disable_unprepare(up->clk);
 }
 
 static int __init