| Message ID | 20221130152148.2769768-9-u.kleine-koenig@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | pwm: Allow .get_state to fail | expand |
Il 30/11/22 16:21, Uwe Kleine-König ha scritto: > .get_state() can return an error indication. Make use of it to propagate > failing hardware accesses. > > Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
diff --git a/drivers/pwm/pwm-mtk-disp.c b/drivers/pwm/pwm-mtk-disp.c index 9a6bb334a31b..67e5799dd157 100644 --- a/drivers/pwm/pwm-mtk-disp.c +++ b/drivers/pwm/pwm-mtk-disp.c @@ -184,14 +184,14 @@ static int mtk_disp_pwm_get_state(struct pwm_chip *chip, err = clk_prepare_enable(mdp->clk_main); if (err < 0) { dev_err(chip->dev, "Can't enable mdp->clk_main: %pe\n", ERR_PTR(err)); - return 0; + return err; } err = clk_prepare_enable(mdp->clk_mm); if (err < 0) { dev_err(chip->dev, "Can't enable mdp->clk_mm: %pe\n", ERR_PTR(err)); clk_disable_unprepare(mdp->clk_main); - return 0; + return err; } rate = clk_get_rate(mdp->clk_main);
.get_state() can return an error indication. Make use of it to propagate failing hardware accesses. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> --- drivers/pwm/pwm-mtk-disp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)