Changes in uspace/lib/usbdev/src/devdrv.c [70452dd4:fb422312] in mainline

File:

• uspace/lib/usbdev/src/devdrv.c (modified) (9 diffs)

uspace/lib/usbdev/src/devdrv.c

@@ -41 +41 @@
 #include <assert.h>
 
-static int generic_add_device(ddf_dev_t *);
+static int generic_device_add(ddf_dev_t *);
+static int generic_device_remove(ddf_dev_t *);
+static int generic_device_gone(ddf_dev_t *);
 
 static driver_ops_t generic_driver_ops = {
-        .add_device = generic_add_device
+        .add_device = generic_device_add,
+        .dev_remove = generic_device_remove,
+        .dev_gone = generic_device_gone,
 };
 static driver_t generic_driver = {
@@ -123 +127 @@
         return EOK;
 }
-
-/** Callback when new device is supposed to be controlled by this driver.
- *
- * This callback is a wrapper for USB specific version of @c add_device.
+/*----------------------------------------------------------------------------*/
+/** Callback when a new device is supposed to be controlled by this driver.
+ *
+ * This callback is a wrapper for USB specific version of @c device_add.
  *
  * @param gen_dev Device structure as prepared by DDF.
  * @return Error code.
  */
-int generic_add_device(ddf_dev_t *gen_dev)
+int generic_device_add(ddf_dev_t *gen_dev)
 {
         assert(driver);
         assert(driver->ops);
-        assert(driver->ops->add_device);
+        assert(driver->ops->device_add);
 
         int rc;
@@ -147 +151 @@
                 return rc;
         }
-
-        return driver->ops->add_device(dev);
-}
-
+        gen_dev->driver_data = dev;
+
+        return driver->ops->device_add(dev);
+}
+/*----------------------------------------------------------------------------*/
+/** Callback when a device is supposed to be removed from the system.
+ *
+ * This callback is a wrapper for USB specific version of @c device_remove.
+ *
+ * @param gen_dev Device structure as prepared by DDF.
+ * @return Error code.
+ */
+int generic_device_remove(ddf_dev_t *gen_dev)
+{
+        assert(driver);
+        assert(driver->ops);
+        if (driver->ops->device_rem == NULL)
+                return ENOTSUP;
+        /* Just tell the driver to stop whatever it is doing, keep structures */
+        return driver->ops->device_rem(gen_dev->driver_data);
+}
+/*----------------------------------------------------------------------------*/
+/** Callback when a device was removed from the system.
+ *
+ * This callback is a wrapper for USB specific version of @c device_gone.
+ *
+ * @param gen_dev Device structure as prepared by DDF.
+ * @return Error code.
+ */
+int generic_device_gone(ddf_dev_t *gen_dev)
+{
+        assert(driver);
+        assert(driver->ops);
+        if (driver->ops->device_gone == NULL)
+                return ENOTSUP;
+        const int ret = driver->ops->device_gone(gen_dev->driver_data);
+        if (ret == EOK)
+                usb_device_destroy(gen_dev->driver_data);
+
+        return ret;
+}
+/*----------------------------------------------------------------------------*/
 /** Destroy existing pipes of a USB device.
  *
@@ -275 +317 @@
  * @return Error code.
  */
-int usb_device_create_pipes(ddf_dev_t *dev, usb_device_connection_t *wire,
+int usb_device_create_pipes(const ddf_dev_t *dev, usb_device_connection_t *wire,
     usb_endpoint_description_t **endpoints,
     uint8_t *config_descr, size_t config_descr_size,
@@ -349 +391 @@
         }
 
-        usb_hc_connection_close(&hc_conn);
+        if (usb_hc_connection_close(&hc_conn) != EOK)
+                usb_log_warning("usb_device_create_pipes(): "
+                    "Failed to close connection.\n");
 
         *pipes_ptr = pipes;
@@ -371 +415 @@
         }
 
-        usb_hc_connection_close(&hc_conn);
+        if (usb_hc_connection_close(&hc_conn) != EOK)
+                usb_log_warning("usb_device_create_pipes(): "
+                    "Failed to close connection.\n");
 
         /*
@@ -395 +441 @@
  * @param[in] pipes_count Number of endpoints.
  */
-int usb_device_destroy_pipes(ddf_dev_t *dev,
+int usb_device_destroy_pipes(const ddf_dev_t *dev,
     usb_endpoint_mapping_t *pipes, size_t pipes_count)
 {
@@ -426 +472 @@
         }
 
-        usb_hc_connection_close(&hc_conn);
+        if (usb_hc_connection_close(&hc_conn) != EOK)
+                usb_log_warning("usb_device_destroy_pipes(): "
+                    "Failed to close connection.\n");
 
         free(pipes);
@@ -545 +593 @@
         /* Ignore errors and hope for the best. */
         usb_device_destroy_pipes(dev->ddf_dev, dev->pipes, dev->pipes_count);
-        if (dev->descriptors.configuration != NULL) {
-                free(dev->descriptors.configuration);
-        }
+        free(dev->descriptors.configuration);
 
         if (dev->alternate_interfaces != NULL) {
-                if (dev->alternate_interfaces->alternatives != NULL) {
-                        free(dev->alternate_interfaces->alternatives);
-                }
-                free(dev->alternate_interfaces);
-        }
+                free(dev->alternate_interfaces->alternatives);
+        }
+        free(dev->alternate_interfaces);
 
         free(dev);