linux-kernel - [PATCH 2/9] drm/vc4: hdmi: Constify container

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Date:   Wed, 07 Dec 2022 17:07:46 +0100
From:   Maxime Ripard <maxime@...no.tech>
To:     Emma Anholt <emma@...olt.net>, Maxime Ripard <mripard@...nel.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Maxime Ripard <maxime@...no.tech>
Subject: [PATCH 2/9] drm/vc4: hdmi: Constify container_of wrappers

None of our wrappers around container_of to access our objects from the
DRM object pointer actually modify the latter.

Let's make them const.

Signed-off-by: Maxime Ripard <maxime@...no.tech>
---
 drivers/gpu/drm/vc4/vc4_hdmi.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h
index dc3ccd8002a0..023ea64ef006 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
@@ -224,13 +224,13 @@ struct vc4_hdmi {
 };
 
 static inline struct vc4_hdmi *
-connector_to_vc4_hdmi(struct drm_connector *connector)
+connector_to_vc4_hdmi(const struct drm_connector *connector)
 {
 	return container_of(connector, struct vc4_hdmi, connector);
 }
 
 static inline struct vc4_hdmi *
-encoder_to_vc4_hdmi(struct drm_encoder *encoder)
+encoder_to_vc4_hdmi(const struct drm_encoder *encoder)
 {
 	struct vc4_encoder *_encoder = to_vc4_encoder(encoder);
 	return container_of(_encoder, struct vc4_hdmi, encoder);
@@ -244,7 +244,7 @@ struct vc4_hdmi_connector_state {
 };
 
 static inline struct vc4_hdmi_connector_state *
-conn_state_to_vc4_hdmi_conn_state(struct drm_connector_state *conn_state)
+conn_state_to_vc4_hdmi_conn_state(const struct drm_connector_state *conn_state)
 {
 	return container_of(conn_state, struct vc4_hdmi_connector_state, base);
 }

-- 
2.38.1