59 	u8 ifnum = intf->cur_altsetting->desc.bInterfaceNumber;  in gud_usb_control_msg()
79 				      struct gud_display_descriptor_req *desc)  in gud_get_display_descriptor()  argument
84 	buf = kmalloc(sizeof(*desc), GFP_KERNEL);  in gud_get_display_descriptor()
88 	ret = gud_usb_control_msg(intf, true, GUD_REQ_GET_DESCRIPTOR, 0, buf, sizeof(*desc));  in gud_get_display_descriptor()
89 	memcpy(desc, buf, sizeof(*desc));  in gud_get_display_descriptor()
93 	if (ret != sizeof(*desc))  in gud_get_display_descriptor()
96 	if (desc->magic != le32_to_cpu(GUD_DISPLAY_MAGIC))  in gud_get_display_descriptor()
101 			     desc->version, le32_to_cpu(desc->flags), desc->compression,  in gud_get_display_descriptor()
102 			     le32_to_cpu(desc->max_buffer_size));  in gud_get_display_descriptor()
104 	if (!desc->version || !desc->max_width || !desc->max_height ||  in gud_get_display_descriptor()
105 	    le32_to_cpu(desc->min_width) > le32_to_cpu(desc->max_width) ||  in gud_get_display_descriptor()
106 	    le32_to_cpu(desc->min_height) > le32_to_cpu(desc->max_height))  in gud_get_display_descriptor()
381 	.desc			= "Generic USB Display",
431 	struct gud_display_descriptor_req desc;  in gud_probe()  local
444 	ret = gud_get_display_descriptor(intf, &desc);  in gud_probe()
450 	if (desc.version > 1) {  in gud_probe()
451 		dev_err(dev, "Protocol version %u is not supported\n", desc.version);  in gud_probe()
465 	gdrm->flags = le32_to_cpu(desc.flags);  in gud_probe()
466 	gdrm->compression = desc.compression & GUD_COMPRESSION_LZ4;  in gud_probe()
480 	drm->mode_config.min_width = le32_to_cpu(desc.min_width);  in gud_probe()
481 	drm->mode_config.max_width = le32_to_cpu(desc.max_width);  in gud_probe()
482 	drm->mode_config.min_height = le32_to_cpu(desc.min_height);  in gud_probe()
483 	drm->mode_config.max_height = le32_to_cpu(desc.max_height);  in gud_probe()
561 	if (desc.max_buffer_size)  in gud_probe()
562 		max_buffer_size = le32_to_cpu(desc.max_buffer_size);  in gud_probe()