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[v7,34/36] drm/sun4i: hdmi: Switch to container_of_const

Message ID 20240222-kms-hdmi-connector-state-v7-34-8f4af575fce2@kernel.org (mailing list archive)
State New, archived
Headers show
Series drm/connector: Create HDMI Connector infrastructure | expand

Commit Message

Maxime Ripard Feb. 22, 2024, 6:14 p.m. UTC 
container_of_const() allows to preserve the pointer constness and is
thus more flexible than inline functions.

Let's switch all our instances of container_of() to container_of_const().

Reviewed-by: Sui Jingfeng <sui.jingfeng@linux.dev>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
 drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

Comments

Jernej Škrabec Feb. 22, 2024, 7:08 p.m. UTC | #1 
Dne četrtek, 22. februar 2024 ob 19:14:20 CET je Maxime Ripard napisal(a):
> container_of_const() allows to preserve the pointer constness and is
> thus more flexible than inline functions.
> 
> Let's switch all our instances of container_of() to container_of_const().
> 
> Reviewed-by: Sui Jingfeng <sui.jingfeng@linux.dev>
> Signed-off-by: Maxime Ripard <mripard@kernel.org>

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

Best regards,
Jernej

> ---
>  drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c | 16 ++++------------
>  1 file changed, 4 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
> index bae69d696765..c276d984da6b 100644
> --- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
> +++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
> @@ -30,19 +30,11 @@
>  #include "sun4i_drv.h"
>  #include "sun4i_hdmi.h"
>  
> -static inline struct sun4i_hdmi *
> -drm_encoder_to_sun4i_hdmi(struct drm_encoder *encoder)
> -{
> -	return container_of(encoder, struct sun4i_hdmi,
> -			    encoder);
> -}
> +#define drm_encoder_to_sun4i_hdmi(e)		\
> +	container_of_const(e, struct sun4i_hdmi, encoder)
>  
> -static inline struct sun4i_hdmi *
> -drm_connector_to_sun4i_hdmi(struct drm_connector *connector)
> -{
> -	return container_of(connector, struct sun4i_hdmi,
> -			    connector);
> -}
> +#define drm_connector_to_sun4i_hdmi(c)		\
> +	container_of_const(c, struct sun4i_hdmi, connector)
>  
>  static int sun4i_hdmi_setup_avi_infoframes(struct sun4i_hdmi *hdmi,
>  					   struct drm_display_mode *mode)
> 
>
Maxime Ripard Feb. 26, 2024, 9:55 a.m. UTC | #2 
On Thu, 22 Feb 2024 19:14:20 +0100, Maxime Ripard wrote:
> container_of_const() allows to preserve the pointer constness and is
> thus more flexible than inline functions.
> 
> Let's switch all our instances of container_of() to container_of_const().
> 
> 

Applied to drm/drm-misc (drm-misc-next).

Thanks!
Maxime
diff mbox series

Patch

diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
index bae69d696765..c276d984da6b 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
@@ -30,19 +30,11 @@ 
 #include "sun4i_drv.h"
 #include "sun4i_hdmi.h"
 
-static inline struct sun4i_hdmi *
-drm_encoder_to_sun4i_hdmi(struct drm_encoder *encoder)
-{
-	return container_of(encoder, struct sun4i_hdmi,
-			    encoder);
-}
+#define drm_encoder_to_sun4i_hdmi(e)		\
+	container_of_const(e, struct sun4i_hdmi, encoder)
 
-static inline struct sun4i_hdmi *
-drm_connector_to_sun4i_hdmi(struct drm_connector *connector)
-{
-	return container_of(connector, struct sun4i_hdmi,
-			    connector);
-}
+#define drm_connector_to_sun4i_hdmi(c)		\
+	container_of_const(c, struct sun4i_hdmi, connector)
 
 static int sun4i_hdmi_setup_avi_infoframes(struct sun4i_hdmi *hdmi,
 					   struct drm_display_mode *mode)