Just because of_clk_get() doesn't mean it should be used. Use devm_clk_get
which is the correct function when a struct device * is available. Also
since it's a devm function we can drop the calls to clk_put(). While at
it also fix a wrong debug message.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_mtk.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c
index 7a11fac..c6901dc 100644
--- a/drivers/tty/serial/8250/8250_mtk.c
+++ b/drivers/tty/serial/8250/8250_mtk.c
@@ -131,18 +131,16 @@ static int mtk8250_probe_of(struct platform_device *pdev, struct uart_port *p,
struct mtk8250_data *data)
{
int err;
- struct device_node *np = pdev->dev.of_node;
- data->uart_clk = of_clk_get(np, 0);
+ data->uart_clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(data->uart_clk)) {
- dev_warn(&pdev->dev, "Can't get timer clock\n");
+ dev_warn(&pdev->dev, "Can't get uart clock\n");
return PTR_ERR(data->uart_clk);
}
err = clk_prepare_enable(data->uart_clk);
if (err) {
dev_warn(&pdev->dev, "Can't prepare clock\n");
- clk_put(data->uart_clk);
return err;
}
p->uartclk = clk_get_rate(data->uart_clk);
@@ -216,7 +214,6 @@ static int mtk8250_remove(struct platform_device *pdev)
serial8250_unregister_port(data->line);
if (!IS_ERR(data->uart_clk)) {
clk_disable_unprepare(data->uart_clk);
- clk_put(data->uart_clk);
}
pm_runtime_disable(&pdev->dev);
--
2.1.4
--
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