serial: mxs-auart: convert to clk_prepare/clk_unprepare
The patch converts mxs-auart driver to clk_prepare/clk_unprepare by
using helper functions clk_prepare_enable/clk_disable_unprepare.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Alan Cox <alan@linux.intel.com>
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 7e02c9c..c33500a 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -424,7 +424,7 @@
{
struct mxs_auart_port *s = to_auart_port(u);
- clk_enable(s->clk);
+ clk_prepare_enable(s->clk);
writel(AUART_CTRL0_CLKGATE, u->membase + AUART_CTRL0_CLR);
@@ -453,7 +453,7 @@
writel(AUART_INTR_RXIEN | AUART_INTR_RTIEN | AUART_INTR_CTSMIEN,
u->membase + AUART_INTR_CLR);
- clk_disable(s->clk);
+ clk_disable_unprepare(s->clk);
}
static unsigned int mxs_auart_tx_empty(struct uart_port *u)
@@ -634,7 +634,7 @@
if (!s)
return -ENODEV;
- clk_enable(s->clk);
+ clk_prepare_enable(s->clk);
if (options)
uart_parse_options(options, &baud, &parity, &bits, &flow);
@@ -643,7 +643,7 @@
ret = uart_set_options(&s->port, co, baud, parity, bits, flow);
- clk_disable(s->clk);
+ clk_disable_unprepare(s->clk);
return ret;
}