Changes in uspace/lib/usb/src/recognise.c [a66225f3:7ed5b576] in mainline

File:

• uspace/lib/usb/src/recognise.c (modified) (3 diffs)

uspace/lib/usb/src/recognise.c

@@ -99 +99 @@
         
         return rc;
-}
-
-/** Add match ids based on configuration descriptor.
- *
- * @param hc Open phone to host controller.
- * @param matches Match ids list to add matches to.
- * @param address USB address of the attached device.
- * @return Error code.
- */
-static int usb_add_config_descriptor_match_ids(int hc,
-    match_id_list_t *matches, usb_address_t address,
-    int config_count)
-{
-        int final_rc = EOK;
-        
-        int config_index;
-        for (config_index = 0; config_index < config_count; config_index++) {
-                int rc;
-                usb_standard_configuration_descriptor_t config_descriptor;
-                rc = usb_drv_req_get_bare_configuration_descriptor(hc,
-                    address,  config_index, &config_descriptor);
-                if (rc != EOK) {
-                        final_rc = rc;
-                        continue;
-                }
-
-                size_t full_config_descriptor_size;
-                void *full_config_descriptor
-                    = malloc(config_descriptor.total_length);
-                rc = usb_drv_req_get_full_configuration_descriptor(hc,
-                    address, config_index,
-                    full_config_descriptor, config_descriptor.total_length,
-                    &full_config_descriptor_size);
-                if (rc != EOK) {
-                        final_rc = rc;
-                        continue;
-                }
-                if (full_config_descriptor_size
-                    != config_descriptor.total_length) {
-                        final_rc = ERANGE;
-                        continue;
-                }
-
-                /*
-                 * Iterate through config descriptor to find the interface
-                 * descriptors.
-                 */
-                size_t position = sizeof(config_descriptor);
-                while (position + 1 < full_config_descriptor_size) {
-                        uint8_t *current_descriptor
-                            = ((uint8_t *) full_config_descriptor) + position;
-                        uint8_t cur_descr_len = current_descriptor[0];
-                        uint8_t cur_descr_type = current_descriptor[1];
-                        
-                        position += cur_descr_len;
-                        
-                        if (cur_descr_type != USB_DESCTYPE_INTERFACE) {
-                                continue;
-                        }
-                        /*
-                         * Finally, we found an interface descriptor.
-                         */
-                        usb_standard_interface_descriptor_t *interface
-                            = (usb_standard_interface_descriptor_t *)
-                            current_descriptor;
-                        
-                        rc = usb_add_match_id(matches, 50,
-                            "usb&interface&class=%s",
-                            usb_str_class(interface->interface_class));
-                        if (rc != EOK) {
-                                final_rc = rc;
-                                break;
-                        }
-                }
-        }
-        
-        return final_rc;
 }
 
@@ -226 +149 @@
 
         /*
-         * If the device class points to interface we skip adding
-         * class directly.
+         * If the device class does not point to interface,
+         * it is added immediatelly, otherwise full configuration
+         * descriptor must be obtained and parsed.
          */
         if (device_descriptor.device_class != USB_CLASS_USE_INTERFACE) {
@@ -235 +159 @@
                         return rc;
                 }
-        }
-        /*
-         * Go through all configurations and add matches
-         * based on interface class.
-         */
-        rc = usb_add_config_descriptor_match_ids(hc, matches,
-            address, device_descriptor.configuration_count);
-        if (rc != EOK) {
-                return rc;
+        } else {
+                /* TODO */
         }