[U-Boot] [PATCH v4 2/3] usb:gadget:composite: Support for composite at gadget.h
Marek Vasut
marex at denx.de
Mon Apr 30 01:23:57 CEST 2012
Dear Lukasz Majewski,
> Add device data pointer to the USB gadget's device struct.
> Wrapper for extracting usb_gadget from Linux's usb device
>
> Signed-off-by: Lukasz Majewski <l.majewski at samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
> Cc: Marek Vasut <marex at denx.de>
Acked-by: Marek Vasut <marex at denx.de>
>
> ---
> include/linux/usb/gadget.h | 6 ++++++
> 1 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
> index 275cb5f..eba865e 100644
> --- a/include/linux/usb/gadget.h
> +++ b/include/linux/usb/gadget.h
> @@ -411,6 +411,7 @@ struct usb_gadget_ops {
>
> struct device {
> void *driver_data; /* data private to the driver */
> + void *device_data; /* data private to the device */
Can't device_data be wrapped into driver_data? I guess not ...
> };
>
> /**
> @@ -481,6 +482,11 @@ static inline void *get_gadget_data(struct usb_gadget
> *gadget) return gadget->dev.driver_data;
> }
>
> +static inline struct usb_gadget *dev_to_usb_gadget(struct device *dev)
> +{
> + return container_of(dev, struct usb_gadget, dev);
> +}
> +
> /* iterates the non-control endpoints; 'tmp' is a struct usb_ep pointer */
> #define gadget_for_each_ep(tmp, gadget) \
> list_for_each_entry(tmp, &(gadget)->ep_list, ep_list)
Best regards,
Marek Vasut
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