Re: [PATCH v2 1/5] driver core: add a faux bus for use when a simple device/bus is needed

Lyude Paul
2025-02-04T22:51:35Z

Oops! I actually caught one small nitpick I didn't notice before when writing
up the bindings:

On Tue, 2025-02-04 at 12:09 +0100, Greg Kroah-Hartman wrote:
> +/**
> + * faux_device_create - create and register a faux device and driver
> + * @name: name of the device and driver we are adding
> + * @faux_ops: struct faux_driver_ops that the new device will call back into, can be NULL
> + *
> + * Create a new faux device and driver, both with the same name, and
> + * register them in the driver core properly.  The probe() callback of
> + * @faux_ops will be called with the new device that is created for the
> + * caller to do something with.
> + *
> + * Note, when this function is called, the functions specified in struct
> + * faux_ops will be called before the function returns, so be prepared for
> + * everything to be properly initialized before that point in time.
> + *
> + * Return:
> + * * NULL if an error happened with creating the device
> + * * pointer to a valid struct faux_device that is registered with sysfs
> + */
> +struct faux_device *faux_device_create(const char *name, struct faux_driver_ops *faux_ops)

^ Why not const struct faux_driver_ops? Doesn't seem like there's any need to
mutate faux_ops.

> +{
> + struct device *dev;
> + struct faux_object *faux_obj;
> + struct faux_device *faux_dev;
> + int name_size;
> + int ret;
> +

--
Cheers,
Lyude Paul (she/her)
Software Engineer at Red Hat

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