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charset="utf-8" The devm_clk_get_enabled() helpers: - call devm_clk_get() - call clk_prepare_enable() and register what is needed in order to call clk_disable_unprepare() when needed, as a managed resource. This simplifies the code and avoids calls to clk_disable_unprepare(). Signed-off-by: Lei Liu --- drivers/tty/serial/st-asc.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/tty/serial/st-asc.c b/drivers/tty/serial/st-asc.c index f91753a40a69..df666766d50e 100644 --- a/drivers/tty/serial/st-asc.c +++ b/drivers/tty/serial/st-asc.c @@ -706,17 +706,13 @@ static int asc_init_port(struct asc_port *ascport, =20 spin_lock_init(&port->lock); =20 - ascport->clk =3D devm_clk_get(&pdev->dev, NULL); + ascport->clk =3D devm_clk_get_enabled(&pdev->dev, NULL); =20 if (WARN_ON(IS_ERR(ascport->clk))) return -EINVAL; - /* ensure that clk rate is correct by enabling the clk */ - ret =3D clk_prepare_enable(ascport->clk); - if (ret) - return ret; + ascport->port.uartclk =3D clk_get_rate(ascport->clk); WARN_ON(ascport->port.uartclk =3D=3D 0); - clk_disable_unprepare(ascport->clk); =20 ascport->pinctrl =3D devm_pinctrl_get(&pdev->dev); if (IS_ERR(ascport->pinctrl)) { --=20 2.34.1