Re: [RFC 6/8] usb/gadget: f_uvc: remove compatibility layer

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Andrzej,

Thank you for the patch.

On Friday 28 February 2014 10:32:28 Andrzej Pietrasiewicz wrote:
> There are no users of the old interface left. Remove it.
> 
> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>

Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
>  drivers/usb/gadget/f_uvc.c | 167 ------------------------------------------
>  drivers/usb/gadget/f_uvc.h |  11 ---
>  2 files changed, 178 deletions(-)
> 
> diff --git a/drivers/usb/gadget/f_uvc.c b/drivers/usb/gadget/f_uvc.c
> index dfd8de33..51767c9 100644
> --- a/drivers/usb/gadget/f_uvc.c
> +++ b/drivers/usb/gadget/f_uvc.c
> @@ -33,9 +33,6 @@
>  #include "uvc_v4l2.h"
> 
>  unsigned int uvc_gadget_trace_param;
> -unsigned int streaming_interval;
> -unsigned int streaming_maxpacket;
> -unsigned int streaming_maxburst;
> 
>  /*
> --------------------------------------------------------------------------
> * Function descriptors
> @@ -200,16 +197,12 @@ static const struct usb_descriptor_header * const
> uvc_ss_streaming[] = { NULL,
>  };
> 
> -#ifndef USBF_UVC_INCLUDED
> -
>  void uvc_set_trace_param(unsigned int uvc_gadget_trace_param_webcam)
>  {
>  	uvc_gadget_trace_param = uvc_gadget_trace_param_webcam;
>  }
>  EXPORT_SYMBOL(uvc_set_trace_param);
> 
> -#endif
> -
>  /*
> --------------------------------------------------------------------------
> * Control requests
>   */
> @@ -564,51 +557,11 @@ uvc_function_bind(struct usb_configuration *c, struct
> usb_function *f) unsigned int max_packet_mult;
>  	unsigned int max_packet_size;
>  	struct usb_ep *ep;
> -#ifndef USBF_UVC_INCLUDED
>  	struct f_uvc_opts *opts;
> -#endif
>  	int ret = -EINVAL;
> 
>  	INFO(cdev, "uvc_function_bind\n");
> 
> -#ifdef USBF_UVC_INCLUDED
> -	/* Sanity check the streaming endpoint module parameters.
> -	 */
> -	streaming_interval = clamp(streaming_interval, 1U, 16U);
> -	streaming_maxpacket = clamp(streaming_maxpacket, 1U, 3072U);
> -	streaming_maxburst = min(streaming_maxburst, 15U);
> -
> -	/* Fill in the FS/HS/SS Video Streaming specific descriptors from the
> -	 * module parameters.
> -	 *
> -	 * NOTE: We assume that the user knows what they are doing and won't
> -	 * give parameters that their UDC doesn't support.
> -	 */
> -	if (streaming_maxpacket <= 1024) {
> -		max_packet_mult = 1;
> -		max_packet_size = streaming_maxpacket;
> -	} else if (streaming_maxpacket <= 2048) {
> -		max_packet_mult = 2;
> -		max_packet_size = streaming_maxpacket / 2;
> -	} else {
> -		max_packet_mult = 3;
> -		max_packet_size = streaming_maxpacket / 3;
> -	}
> -
> -	uvc_fs_streaming_ep.wMaxPacketSize = min(streaming_maxpacket, 1023U);
> -	uvc_fs_streaming_ep.bInterval = streaming_interval;
> -
> -	uvc_hs_streaming_ep.wMaxPacketSize = max_packet_size;
> -	uvc_hs_streaming_ep.wMaxPacketSize |= ((max_packet_mult - 1) << 11);
> -	uvc_hs_streaming_ep.bInterval = streaming_interval;
> -
> -	uvc_ss_streaming_ep.wMaxPacketSize = max_packet_size;
> -	uvc_ss_streaming_ep.bInterval = streaming_interval;
> -	uvc_ss_streaming_comp.bmAttributes = max_packet_mult - 1;
> -	uvc_ss_streaming_comp.bMaxBurst = streaming_maxburst;
> -	uvc_ss_streaming_comp.wBytesPerInterval =
> -		max_packet_size * max_packet_mult * streaming_maxburst;
> -#else
>  	opts = container_of(f->fi, struct f_uvc_opts, func_inst);
>  	/* Sanity check the streaming endpoint module parameters.
>  	 */
> @@ -647,7 +600,6 @@ uvc_function_bind(struct usb_configuration *c, struct
> usb_function *f) uvc_ss_streaming_comp.bMaxBurst =
> opts->streaming_maxburst;
>  	uvc_ss_streaming_comp.wBytesPerInterval =
>  		max_packet_size * max_packet_mult * opts->streaming_maxburst;
> -#endif
> 
>  	/* Allocate endpoints. */
>  	ep = usb_ep_autoconfig(cdev->gadget, &uvc_control_ep);
> @@ -773,121 +725,6 @@ error:
>   * USB gadget function
>   */
> 
> -#ifdef USBF_UVC_INCLUDED
> -
> -static void
> -uvc_old_function_unbind(struct usb_configuration *c, struct usb_function
> *f) -{
> -	struct usb_composite_dev *cdev = c->cdev;
> -	struct uvc_device *uvc = to_uvc(f);
> -
> -	INFO(cdev, "uvc_function_unbind\n");
> -
> -	video_unregister_device(uvc->vdev);
> -	v4l2_device_unregister(&uvc->v4l2_dev);
> -	uvc->control_ep->driver_data = NULL;
> -	uvc->video.ep->driver_data = NULL;
> -
> -	uvc_en_us_strings[UVC_STRING_CONTROL_IDX].id = 0;
> -	usb_ep_free_request(cdev->gadget->ep0, uvc->control_req);
> -	kfree(uvc->control_buf);
> -
> -	usb_free_all_descriptors(f);
> -
> -	kfree(uvc);
> -}
> -
> -/**
> - * uvc_bind_config - add a UVC function to a configuration
> - * @c: the configuration to support the UVC instance
> - * Context: single threaded during gadget setup
> - *
> - * Returns zero on success, else negative errno.
> - *
> - * Caller must have called @uvc_setup(). Caller is also responsible for
> - * calling @uvc_cleanup() before module unload.
> - */
> -int __init
> -uvc_bind_config(struct usb_configuration *c,
> -		const struct uvc_descriptor_header * const *fs_control,
> -		const struct uvc_descriptor_header * const *ss_control,
> -		const struct uvc_descriptor_header * const *fs_streaming,
> -		const struct uvc_descriptor_header * const *hs_streaming,
> -		const struct uvc_descriptor_header * const *ss_streaming,
> -		unsigned int streaming_interval_webcam,
> -		unsigned int streaming_maxpacket_webcam,
> -		unsigned int streaming_maxburst_webcam,
> -		unsigned int uvc_gadget_trace_webcam)
> -{
> -	struct uvc_device *uvc;
> -	int ret = 0;
> -
> -	/* TODO Check if the USB device controller supports the required
> -	 * features.
> -	 */
> -	if (!gadget_is_dualspeed(c->cdev->gadget))
> -		return -EINVAL;
> -
> -	uvc = kzalloc(sizeof(*uvc), GFP_KERNEL);
> -	if (uvc == NULL)
> -		return -ENOMEM;
> -
> -	uvc->state = UVC_STATE_DISCONNECTED;
> -
> -	/* Validate the descriptors. */
> -	if (fs_control == NULL || fs_control[0] == NULL ||
> -	    fs_control[0]->bDescriptorSubType != UVC_VC_HEADER)
> -		goto error;
> -
> -	if (ss_control == NULL || ss_control[0] == NULL ||
> -	    ss_control[0]->bDescriptorSubType != UVC_VC_HEADER)
> -		goto error;
> -
> -	if (fs_streaming == NULL || fs_streaming[0] == NULL ||
> -	    fs_streaming[0]->bDescriptorSubType != UVC_VS_INPUT_HEADER)
> -		goto error;
> -
> -	if (hs_streaming == NULL || hs_streaming[0] == NULL ||
> -	    hs_streaming[0]->bDescriptorSubType != UVC_VS_INPUT_HEADER)
> -		goto error;
> -
> -	if (ss_streaming == NULL || ss_streaming[0] == NULL ||
> -	    ss_streaming[0]->bDescriptorSubType != UVC_VS_INPUT_HEADER)
> -		goto error;
> -
> -	streaming_interval = streaming_interval_webcam;
> -	streaming_maxpacket = streaming_maxpacket_webcam;
> -	streaming_maxburst = streaming_maxburst_webcam;
> -	uvc_gadget_trace_param = uvc_gadget_trace_webcam;
> -	uvc->desc.fs_control = fs_control;
> -	uvc->desc.ss_control = ss_control;
> -	uvc->desc.fs_streaming = fs_streaming;
> -	uvc->desc.hs_streaming = hs_streaming;
> -	uvc->desc.ss_streaming = ss_streaming;
> -
> -	/* Register the function. */
> -	uvc->func.name = "uvc";
> -	uvc->func.strings = uvc_function_strings;
> -	uvc->func.bind = uvc_function_bind;
> -	uvc->func.unbind = uvc_old_function_unbind;
> -	uvc->func.get_alt = uvc_function_get_alt;
> -	uvc->func.set_alt = uvc_function_set_alt;
> -	uvc->func.disable = uvc_function_disable;
> -	uvc->func.setup = uvc_function_setup;
> -
> -	ret = usb_add_function(c, &uvc->func);
> -	if (ret)
> -		kfree(uvc);
> -
> -	return ret;
> -
> -error:
> -	kfree(uvc);
> -	return ret;
> -}
> -
> -#else
> -
>  static void uvc_free_inst(struct usb_function_instance *f)
>  {
>  	struct f_uvc_opts *opts;
> @@ -971,7 +808,3 @@ struct usb_function *uvc_alloc(struct
> usb_function_instance *fi) DECLARE_USB_FUNCTION_INIT(uvc, uvc_alloc_inst,
> uvc_alloc);
>  MODULE_LICENSE("GPL");
>  MODULE_AUTHOR("Laurent Pinchart");
> -
> -#endif
> -
> -
> diff --git a/drivers/usb/gadget/f_uvc.h b/drivers/usb/gadget/f_uvc.h
> index 71b38dd..d0a73bd 100644
> --- a/drivers/usb/gadget/f_uvc.h
> +++ b/drivers/usb/gadget/f_uvc.h
> @@ -24,16 +24,5 @@ void uvc_function_connect(struct uvc_device *uvc);
> 
>  void uvc_function_disconnect(struct uvc_device *uvc);
> 
> -int uvc_bind_config(struct usb_configuration *c,
> -		    const struct uvc_descriptor_header * const *fs_control,
> -		    const struct uvc_descriptor_header * const *hs_control,
> -		    const struct uvc_descriptor_header * const *fs_streaming,
> -		    const struct uvc_descriptor_header * const *hs_streaming,
> -		    const struct uvc_descriptor_header * const *ss_streaming,
> -		    unsigned int streaming_interval_webcam,
> -		    unsigned int streaming_maxpacket_webcam,
> -		    unsigned int streaming_maxburst_webcam,
> -		    unsigned int uvc_gadget_trace_webcam);
> -
>  #endif /* _F_UVC_H_ */

-- 
Regards,

Laurent Pinchart

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux