usb: gadget: f_uvc: remove compatibility layer

There are no users of the old interface left. Remove it.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Tested-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c
index fe50a9b4fa8f7d8f773c7753d93a7b03dbc978bc..1eff416324e38dda247e6940b6cf8008c7e4e53d 100644 (file)
--- a/drivers/usb/gadget/function/f_uvc.c
+++ b/drivers/usb/gadget/function/f_uvc.c
@@ -33,11 +33,6 @@
 #include "u_uvc.h"
 
 unsigned int uvc_gadget_trace_param;
-#ifdef USBF_UVC_INCLUDED
-static unsigned int streaming_interval;
-static unsigned int streaming_maxpacket;
-static unsigned int streaming_maxburst;
-#endif
 
 /* --------------------------------------------------------------------------
  * Function descriptors
@@ -202,16 +197,12 @@ static const struct usb_descriptor_header * const uvc_ss_streaming[] = {
        NULL,
 };
 
-#ifndef USBF_UVC_INCLUDED
-
 void uvc_set_trace_param(unsigned int trace)
 {
        uvc_gadget_trace_param = trace;
 }
 EXPORT_SYMBOL(uvc_set_trace_param);
 
-#endif
-
 /* --------------------------------------------------------------------------
  * Control requests
  */
@@ -566,30 +557,6 @@ uvc_copy_descriptors(struct uvc_device *uvc, enum usb_device_speed speed)
        return hdr;
 }
 
-#ifdef USBF_UVC_INCLUDED
-static void
-uvc_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);
-}
-#endif
-
 static int
 uvc_function_bind(struct usb_configuration *c, struct usb_function *f)
 {
@@ -598,51 +565,11 @@ 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 = to_f_uvc_opts(f->fi);
        /* Sanity check the streaming endpoint module parameters.
         */
@@ -681,7 +608,6 @@ 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);
@@ -807,96 +733,6 @@ error:
  * USB gadget function
  */
 
-#ifdef USBF_UVC_INCLUDED
-/**
- * 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 stream_interv, unsigned int stream_maxpkt,
-               unsigned int stream_maxburst, unsigned int trace)
-{
-       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 = stream_interv;
-       streaming_maxpacket = stream_maxpkt;
-       streaming_maxburst = stream_maxburst;
-       uvc_gadget_trace_param = trace;
-       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_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 = to_f_uvc_opts(f);
@@ -977,5 +813,3 @@ 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/function/f_uvc.h b/drivers/usb/gadget/function/f_uvc.h
index 71b38dd54edef36d1cd5f20a253dacf4a9d57b1d..d0a73bdcbba105acb6a2bb11322381ba00dc2f43 100644 (file)
--- a/drivers/usb/gadget/function/f_uvc.h
+++ b/drivers/usb/gadget/function/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_ */