Re: [PATCH v6 1/3] fpga: mgr: Use standard dev_release for class driver

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Some more comments.

On Mon, Jun 21, 2021 at 03:22:47PM -0700, Russ Weight wrote:
> +struct fpga_manager *
> +fpga_mgr_register(struct device *parent, struct fpga_manager_info *info)
>  {
> +	const struct fpga_manager_ops *mops = info->mops;
>  	struct fpga_manager *mgr;
>  	int id, ret;
>  
> @@ -572,29 +570,31 @@ struct fpga_manager *fpga_mgr_create(struct device *parent, const char *name,

Shall we add the check?

	if (!mops || ...)

>  	    !mops->write_init || (!mops->write && !mops->write_sg) ||
>  	    (mops->write && mops->write_sg)) {
>  		dev_err(parent, "Attempt to register without fpga_manager_ops\n");
> -		return NULL;
> +		return ERR_PTR(-EINVAL);
>  	}
>  
>

[...]
  
> +struct fpga_manager *
> +fpga_mgr_register(struct device *dev, struct fpga_manager_info *info);

		     struct device *parent, const struct fpga_manager_info

>  
> -int devm_fpga_mgr_register(struct device *dev, struct fpga_manager *mgr);
> +struct fpga_manager *
> +fpga_mgr_register_simple(struct device *dev, const char *name,

			    struct device *parent,

> +			 const struct fpga_manager_ops *mops, void *priv);
> +void fpga_mgr_unregister(struct fpga_manager *mgr);
>  
> -struct fpga_manager *devm_fpga_mgr_create(struct device *dev, const char *name,
> -					  const struct fpga_manager_ops *mops,
> -					  void *priv);
> +struct fpga_manager *
> +devm_fpga_mgr_register(struct device *dev, struct fpga_manager_info *info);


			  struct device *parent, const struct fpga_manager_info

> +struct fpga_manager *
> +devm_fpga_mgr_register_simple(struct device *dev, const char *name,

				 struct device *parent,

> +			      const struct fpga_manager_ops *mops, void *priv);
>  
>  #endif /*_LINUX_FPGA_MGR_H */
> -- 
> 2.25.1



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