diff options
| -rw-r--r-- | drivers/staging/greybus/es1.c | 9 | ||||
| -rw-r--r-- | drivers/staging/greybus/es2.c | 9 | ||||
| -rw-r--r-- | drivers/staging/greybus/hd.c | 24 | ||||
| -rw-r--r-- | drivers/staging/greybus/hd.h | 4 |
4 files changed, 35 insertions, 11 deletions
diff --git a/drivers/staging/greybus/es1.c b/drivers/staging/greybus/es1.c index 858c4aa..75253d9 100644 --- a/drivers/staging/greybus/es1.c +++ b/drivers/staging/greybus/es1.c @@ -390,7 +390,7 @@ static void es1_destroy(struct es1_ap_dev *es1) } udev = es1->usb_dev; - gb_hd_remove(es1->hd); + gb_hd_put(es1->hd); usb_put_dev(udev); } @@ -403,6 +403,8 @@ static void ap_disconnect(struct usb_interface *interface) for (i = 0; i < NUM_CPORT_IN_URB; ++i) usb_kill_urb(es1->cport_in_urb[i]); + gb_hd_del(es1->hd); + es1_destroy(es1); } @@ -692,6 +694,10 @@ static int ap_probe(struct usb_interface *interface, gb_debugfs_get(), es1, &apb1_log_enable_fops); + retval = gb_hd_add(hd); + if (retval) + goto error; + for (i = 0; i < NUM_CPORT_IN_URB; ++i) { retval = usb_submit_urb(es1->cport_in_urb[i], GFP_KERNEL); if (retval) @@ -703,6 +709,7 @@ static int ap_probe(struct usb_interface *interface, err_kill_in_urbs: for (--i; i >= 0; --i) usb_kill_urb(es1->cport_in_urb[i]); + gb_hd_del(hd); error: es1_destroy(es1); diff --git a/drivers/staging/greybus/es2.c b/drivers/staging/greybus/es2.c index 96ba1a7..aad6451 100644 --- a/drivers/staging/greybus/es2.c +++ b/drivers/staging/greybus/es2.c @@ -585,7 +585,7 @@ static void es2_destroy(struct es2_ap_dev *es2) udev = es2->usb_dev; cport_to_ep = es2->cport_to_ep; - gb_hd_remove(es2->hd); + gb_hd_put(es2->hd); kfree(cport_to_ep); usb_put_dev(udev); @@ -599,6 +599,8 @@ static void ap_disconnect(struct usb_interface *interface) for (i = 0; i < NUM_BULKS; ++i) es2_cport_in_disable(es2, &es2->cport_in[i]); + gb_hd_del(es2->hd); + es2_destroy(es2); } @@ -942,6 +944,10 @@ static int ap_probe(struct usb_interface *interface, gb_debugfs_get(), es2, &apb_log_enable_fops); + retval = gb_hd_add(hd); + if (retval) + goto error; + for (i = 0; i < NUM_BULKS; ++i) { retval = es2_cport_in_enable(es2, &es2->cport_in[i]); if (retval) @@ -953,6 +959,7 @@ static int ap_probe(struct usb_interface *interface, err_disable_cport_in: for (--i; i >= 0; --i) es2_cport_in_disable(es2, &es2->cport_in[i]); + gb_hd_del(hd); error: es2_destroy(es2); diff --git a/drivers/staging/greybus/hd.c b/drivers/staging/greybus/hd.c index 6f29eb4..b22d547 100644 --- a/drivers/staging/greybus/hd.c +++ b/drivers/staging/greybus/hd.c @@ -77,6 +77,12 @@ struct gb_host_device *gb_hd_create(struct gb_hd_driver *driver, hd->buffer_size_max = buffer_size_max; hd->num_cports = num_cports; + return hd; +} +EXPORT_SYMBOL_GPL(gb_hd_create); + +int gb_hd_add(struct gb_host_device *hd) +{ /* * Initialize AP's SVC protocol connection: * @@ -87,16 +93,14 @@ struct gb_host_device *gb_hd_create(struct gb_hd_driver *driver, * time we will create a fully initialized svc-connection, as we need * endo-id and AP's interface id for that. */ - if (!gb_ap_svc_connection_create(hd)) { - kref_put_mutex(&hd->kref, free_hd, &hd_mutex); - return ERR_PTR(-ENOMEM); - } + if (!gb_ap_svc_connection_create(hd)) + return -ENOMEM; - return hd; + return 0; } -EXPORT_SYMBOL_GPL(gb_hd_create); +EXPORT_SYMBOL_GPL(gb_hd_add); -void gb_hd_remove(struct gb_host_device *hd) +void gb_hd_del(struct gb_host_device *hd) { /* * Tear down all interfaces, modules, and the endo that is associated @@ -109,7 +113,11 @@ void gb_hd_remove(struct gb_host_device *hd) /* Is the SVC still using the partially uninitialized connection ? */ if (hd->initial_svc_connection) gb_connection_destroy(hd->initial_svc_connection); +} +EXPORT_SYMBOL_GPL(gb_hd_del); +void gb_hd_put(struct gb_host_device *hd) +{ kref_put_mutex(&hd->kref, free_hd, &hd_mutex); } -EXPORT_SYMBOL_GPL(gb_hd_remove); +EXPORT_SYMBOL_GPL(gb_hd_put); diff --git a/drivers/staging/greybus/hd.h b/drivers/staging/greybus/hd.h index 91fcccb..6724cfe 100644 --- a/drivers/staging/greybus/hd.h +++ b/drivers/staging/greybus/hd.h @@ -52,6 +52,8 @@ struct gb_host_device *gb_hd_create(struct gb_hd_driver *driver, struct device *parent, size_t buffer_size_max, size_t num_cports); -void gb_hd_remove(struct gb_host_device *hd); +int gb_hd_add(struct gb_host_device *hd); +void gb_hd_del(struct gb_host_device *hd); +void gb_hd_put(struct gb_host_device *hd); #endif /* __HD_H */ |
