diff mbox series

[v1,31/35] drm/sun4i: tv: Add missing reset assertion

Message ID 20220728-rpi-analog-tv-properties-v1-31-3d53ae722097@cerno.tech (mailing list archive)
State New, archived
Delegated to: Neil Armstrong
Headers show
Series drm: Analog TV Improvements | expand

Commit Message

Maxime Ripard July 29, 2022, 4:35 p.m. UTC 
The reset line is deasserted at bind, and asserted if we ever encounter an
error there. However, it's never deasserted in unbind which will lead to a
resource unbalance.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>

Comments

Jernej Škrabec July 30, 2022, 9:16 a.m. UTC | #1 
Dne petek, 29. julij 2022 ob 18:35:14 CEST je Maxime Ripard napisal(a):
> The reset line is deasserted at bind, and asserted if we ever encounter an
> error there. However, it's never deasserted in unbind which will lead to a

s/deasserted/asserted/

Once fixed:
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>

Best regards,
Jernej

> resource unbalance.
> 
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
> 
> diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c
> b/drivers/gpu/drm/sun4i/sun4i_tv.c index ad6a3739bfa9..74ff5ad6a8b9 100644
> --- a/drivers/gpu/drm/sun4i/sun4i_tv.c
> +++ b/drivers/gpu/drm/sun4i/sun4i_tv.c
> @@ -605,6 +605,7 @@ static void sun4i_tv_unbind(struct device *dev, struct
> device *master, drm_connector_cleanup(&tv->connector);
>  	drm_encoder_cleanup(&tv->encoder);
>  	clk_disable_unprepare(tv->clk);
> +	reset_control_assert(tv->reset);
>  }
> 
>  static const struct component_ops sun4i_tv_ops = {
diff mbox series

Patch

diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c
index ad6a3739bfa9..74ff5ad6a8b9 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tv.c
@@ -605,6 +605,7 @@  static void sun4i_tv_unbind(struct device *dev, struct device *master,
 	drm_connector_cleanup(&tv->connector);
 	drm_encoder_cleanup(&tv->encoder);
 	clk_disable_unprepare(tv->clk);
+	reset_control_assert(tv->reset);
 }
 
 static const struct component_ops sun4i_tv_ops = {