Re: [PATCH 2/3] staging: v04_services: Add connection structure to driver data

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On Tue, Mar 12, 2024 at 04:46:06AM +0530, Umang Jain wrote:
> diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
> index 52569517ba4e..b8b51267bcde 100644
> --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
> +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
> @@ -72,10 +72,20 @@ static struct vchiq_device *bcm2835_camera;
>  
>  static struct vchiq_drvdata bcm2835_drvdata = {
>  	.cache_line_size = 32,
> +	.drv_connected = {
> +		.connected = 0,
> +		.num_deferred_callbacks = 0,
> +		.once_init = 0,
> +	},
>  };
>  
>  static struct vchiq_drvdata bcm2836_drvdata = {
>  	.cache_line_size = 64,
> +	.drv_connected = {
> +		.connected = 0,
> +		.num_deferred_callbacks = 0,
> +		.once_init = 0,
> +	},
>  };
>  

Modifying vchiq_arm.c is unnecessary, because these are initialized to
zero by default.  Once you remove that then this is quite small and
easier to review when it's merged together with patch 3.



>  struct vchiq_arm_state {
> diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.h
> index e4ed56446f8a..cb5cba94dd54 100644
> --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.h
> +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.h
> @@ -6,6 +6,16 @@
>  #ifndef VCHIQ_CONNECTED_H
>  #define VCHIQ_CONNECTED_H
>  
> +#define  VCHIQ_DRV_MAX_CALLBACKS  10
> +
> +struct vchiq_connected {
> +	int connected;

connected should be type bool.

> +	int num_deferred_callbacks;
> +	int once_init;
> +
> +	void (*deferred_callback[VCHIQ_DRV_MAX_CALLBACKS])(void);
> +};

regards,
dan carpenter





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