diff --git a/android/abi_gki_aarch64.xml b/android/abi_gki_aarch64.xml
index fd29c947a4cb..1f89d3ac2614 100644
--- a/android/abi_gki_aarch64.xml
+++ b/android/abi_gki_aarch64.xml
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diff --git a/android/abi_gki_aarch64_galaxy b/android/abi_gki_aarch64_galaxy
index cbe1f884a220..e460d3ff7965 100644
--- a/android/abi_gki_aarch64_galaxy
+++ b/android/abi_gki_aarch64_galaxy
@@ -161,6 +161,7 @@
__tracepoint_android_vh_is_fpsimd_save
__tracepoint_android_vh_kfree_skb
__tracepoint_android_vh_ptype_head
+ __tracepoint_android_vh_wq_lockup_pool
__tracepoint_device_pm_callback_end
__tracepoint_device_pm_callback_start
__tracepoint_gpu_mem_total
@@ -2007,6 +2008,7 @@
rtnl_unlock
rt_mutex_lock
rt_mutex_unlock
+ runqueues
save_stack_trace
save_stack_trace_tsk
sched_clock
@@ -2400,6 +2402,7 @@
trace_raw_output_prep
trace_seq_printf
tracepoint_probe_register
+ tracepoint_probe_unregister
tracing_off
truncate_inode_pages
try_module_get
diff --git a/android/abi_gki_aarch64_goldfish b/android/abi_gki_aarch64_goldfish
index 93efcaf60f8a..3901c3ff26ee 100644
--- a/android/abi_gki_aarch64_goldfish
+++ b/android/abi_gki_aarch64_goldfish
@@ -15,6 +15,9 @@
blk_queue_write_cache
bpf_trace_run2
bpf_trace_run3
+ bt_err
+ bt_info
+ build_skb
cancel_delayed_work_sync
cancel_work_sync
__cfi_slowpath
@@ -37,6 +40,7 @@
_dev_err
device_add_disk
device_create
+ device_init_wakeup
device_unregister
_dev_info
__dev_kfree_skb_any
@@ -70,8 +74,23 @@
__get_free_pages
get_random_bytes
get_unused_fd_flags
+ __hci_cmd_sync
+ hrtimer_cancel
+ hrtimer_init
+ hrtimer_start_range_ns
ida_alloc_range
ida_free
+ ieee80211_alloc_hw_nm
+ ieee80211_beacon_get_tim
+ ieee80211_csa_finish
+ ieee80211_csa_is_complete
+ ieee80211_free_hw
+ ieee80211_free_txskb
+ ieee80211_get_tx_rates
+ ieee80211_iterate_active_interfaces_atomic
+ ieee80211_register_hw
+ ieee80211_start_tx_ba_cb_irqsafe
+ ieee80211_stop_tx_ba_cb_irqsafe
init_timer_key
init_wait_entry
__init_waitqueue_head
@@ -84,6 +103,7 @@
jiffies
jiffies_to_msecs
kfree
+ kfree_skb
kimage_voffset
__kmalloc
kmalloc_caches
@@ -100,6 +120,7 @@
kobject_put
kobject_uevent
kstrdup
+ ktime_get
ktime_get_mono_fast_ns
ktime_get_raw_ts64
ktime_get_real_seconds
@@ -123,11 +144,18 @@
mutex_lock_interruptible
mutex_trylock
mutex_unlock
+ napi_complete_done
+ napi_disable
+ __napi_schedule
+ napi_schedule_prep
netdev_err
netdev_info
netif_carrier_off
netif_carrier_on
netif_device_detach
+ netif_napi_add
+ netif_set_real_num_rx_queues
+ netif_set_real_num_tx_queues
netif_tx_stop_all_queues
netif_tx_wake_queue
nf_conntrack_destroy
@@ -153,7 +181,6 @@
platform_driver_unregister
platform_get_irq
platform_get_resource
- pm_runtime_allow
__pm_runtime_suspend
__pm_runtime_use_autosuspend
preempt_schedule
@@ -184,7 +211,10 @@
register_netdev
register_virtio_device
register_virtio_driver
+ __regmap_init
+ release_firmware
remap_pfn_range
+ request_firmware
__request_module
request_threaded_irq
revalidate_disk
@@ -198,7 +228,9 @@
sg_init_one
sg_init_table
skb_add_rx_frag
+ skb_page_frag_refill
skb_put
+ skb_to_sgvec
snd_card_register
snd_ctl_enum_info
snd_ctl_sync_vmaster
@@ -207,6 +239,7 @@
snd_pcm_add_chmap_ctls
snd_pcm_period_elapsed
snprintf
+ softnet_data
sort
sprintf
__stack_chk_fail
@@ -248,6 +281,7 @@
virtqueue_detach_unused_buf
virtqueue_disable_cb
virtqueue_enable_cb
+ virtqueue_enable_cb_prepare
virtqueue_get_avail_addr
virtqueue_get_buf
virtqueue_get_desc_addr
@@ -257,6 +291,7 @@
virtqueue_kick
virtqueue_kick_prepare
virtqueue_notify
+ virtqueue_poll
vmemmap
vring_create_virtqueue
vring_del_virtqueue
@@ -266,6 +301,63 @@
__wake_up
__warn_printk
+# required by btintel.ko
+ bt_to_errno
+ hci_cmd_sync
+ request_firmware_direct
+
+# required by btrtl.ko
+ bt_warn
+
+# required by btusb.ko
+ bit_wait_timeout
+ btbcm_set_bdaddr
+ btbcm_setup_apple
+ btbcm_setup_patchram
+ device_wakeup_disable
+ disable_irq
+ disable_irq_nosync
+ enable_irq
+ gpiod_get_optional
+ gpiod_put
+ gpiod_set_value_cansleep
+ hci_alloc_dev
+ __hci_cmd_sync_ev
+ hci_free_dev
+ hci_recv_diag
+ hci_recv_frame
+ hci_register_dev
+ hci_unregister_dev
+ irq_modify_status
+ irq_set_irq_wake
+ of_irq_get_byname
+ of_match_device
+ of_property_read_variable_u16_array
+ out_of_line_wait_on_bit_timeout
+ pm_system_wakeup
+ pm_wakeup_dev_event
+ usb_alloc_urb
+ usb_anchor_urb
+ usb_autopm_get_interface
+ usb_autopm_put_interface
+ usb_bulk_msg
+ usb_control_msg
+ usb_deregister
+ usb_driver_claim_interface
+ usb_driver_release_interface
+ usb_enable_autosuspend
+ usb_free_urb
+ usb_get_from_anchor
+ usb_ifnum_to_if
+ usb_kill_anchored_urbs
+ usb_match_id
+ usb_register_driver
+ usb_scuttle_anchored_urbs
+ usb_set_interface
+ usb_submit_urb
+ usb_unanchor_urb
+ wake_up_bit
+
# required by dummy-cpufreq.ko
cpufreq_generic_attr
cpufreq_register_driver
@@ -283,7 +375,6 @@
# required by goldfish_address_space.ko
__ioremap
kimage_vaddr
- kzfree
memremap
memunmap
@@ -341,7 +432,6 @@
kernel_read
kernel_write
kern_path
- ktime_get
lockref_get
lock_rename
lookup_one_len
@@ -398,31 +488,16 @@
genl_notify
genl_register_family
genl_unregister_family
- hrtimer_cancel
hrtimer_forward
- hrtimer_init
- hrtimer_start_range_ns
- ieee80211_alloc_hw_nm
- ieee80211_beacon_get_tim
- ieee80211_csa_finish
- ieee80211_csa_is_complete
- ieee80211_free_hw
- ieee80211_free_txskb
- ieee80211_get_tx_rates
- ieee80211_iterate_active_interfaces_atomic
ieee80211_probereq_get
ieee80211_queue_delayed_work
ieee80211_ready_on_channel
- ieee80211_register_hw
ieee80211_remain_on_channel_expired
ieee80211_rx_irqsafe
ieee80211_scan_completed
- ieee80211_start_tx_ba_cb_irqsafe
- ieee80211_stop_tx_ba_cb_irqsafe
ieee80211_tx_status_irqsafe
ieee80211_unregister_hw
init_net
- kfree_skb
kstrndup
__netdev_alloc_skb
netif_rx
@@ -580,7 +655,6 @@
# required by rtc-test.ko
add_timer
del_timer
- device_init_wakeup
devm_rtc_allocate_device
platform_device_add
platform_device_alloc
@@ -606,6 +680,7 @@
get_device_system_crosststamp
kvasprintf
ns_to_timespec
+ pm_runtime_allow
__pm_runtime_disable
pm_runtime_enable
pm_runtime_forbid
@@ -664,7 +739,6 @@
regcache_cache_only
regcache_sync
regmap_exit
- __regmap_init
regmap_read
regmap_update_bits_base
regmap_write
@@ -708,6 +782,7 @@
vmalloc
# required by virtio-gpu.ko
+ dma_buf_get_uuid
dma_direct_map_sg
dma_direct_sync_sg_for_device
dma_direct_unmap_sg
@@ -769,6 +844,7 @@
drm_gem_object_lookup
drm_gem_object_put_unlocked
drm_gem_object_release
+ drm_gem_prime_export
drm_gem_prime_fd_to_handle
drm_gem_prime_handle_to_fd
drm_gem_prime_mmap
@@ -809,6 +885,7 @@
ttm_bo_init_mm
ttm_bo_kmap
ttm_bo_kunmap
+ ttm_bo_manager_func
ttm_bo_mmap
ttm_bo_move_to_lru_tail
ttm_bo_put
@@ -819,6 +896,7 @@
ttm_eu_backoff_reservation
ttm_eu_fence_buffer_objects
ttm_eu_reserve_buffers
+ ttm_tt_init
ww_mutex_lock_interruptible
ww_mutex_unlock
@@ -907,7 +985,6 @@
bpf_prog_sub
bpf_stats_enabled_key
bpf_warn_invalid_xdp_action
- build_skb
__cpuhp_remove_state
__cpuhp_setup_state
__cpuhp_state_add_instance
@@ -922,21 +999,14 @@
find_next_bit
flow_keys_basic_dissector
__napi_alloc_skb
- napi_complete_done
napi_consume_skb
- napi_disable
napi_gro_receive
napi_hash_del
- __napi_schedule
- napi_schedule_prep
netdev_notify_peers
netdev_warn
netif_device_attach
- netif_napi_add
netif_napi_del
netif_schedule_queue
- netif_set_real_num_rx_queues
- netif_set_real_num_tx_queues
__netif_set_xps_queue
net_ratelimit
__num_online_cpus
@@ -944,18 +1014,13 @@
sched_clock
skb_coalesce_rx_frag
__skb_flow_dissect
- skb_page_frag_refill
skb_partial_csum_set
- skb_to_sgvec
skb_tstamp_tx
- softnet_data
synchronize_net
__tracepoint_xdp_exception
virtqueue_add_inbuf_ctx
virtqueue_enable_cb_delayed
- virtqueue_enable_cb_prepare
virtqueue_get_buf_ctx
- virtqueue_poll
xdp_convert_zc_to_xdp_frame
xdp_do_flush_map
xdp_do_redirect
@@ -985,3 +1050,10 @@
nvdimm_bus_register
nvdimm_bus_unregister
nvdimm_pmem_region_create
+
+# required by virtio_wifi.ko
+ ieee80211_rx_napi
+ ieee80211_stop_queues
+ ieee80211_tx_status_ext
+ ieee80211_wake_queues
+ init_dummy_netdev
diff --git a/android/abi_gki_aarch64_unisoc b/android/abi_gki_aarch64_unisoc
index 4266cbe0bcea..e71275e592dd 100644
--- a/android/abi_gki_aarch64_unisoc
+++ b/android/abi_gki_aarch64_unisoc
@@ -58,6 +58,7 @@
clk_set_parent
clk_set_rate
clk_unprepare
+ clocks_calc_mult_shift
clockevents_config_and_register
__clocksource_register_scale
compat_alloc_user_space
@@ -72,6 +73,8 @@
cpu_hwcap_keys
cpu_hwcaps
cpumask_next
+ cpufreq_add_update_util_hook
+ cpufreq_remove_update_util_hook
cpu_number
__cpu_online_mask
__cpu_possible_mask
@@ -222,7 +225,12 @@
gen_pool_free_owner
get_cpu_device
__get_free_pages
+ get_governor_parent_kobj
get_random_bytes
+ gov_attr_set_get
+ gov_attr_set_init
+ gov_attr_set_put
+ governor_sysfs_ops
gpiochip_get_data
gpiochip_line_is_irq
gpiod_direction_input
@@ -239,6 +247,7 @@
handle_bad_irq
handle_edge_irq
handle_level_irq
+ have_governor_per_policy
i2c_del_driver
i2c_register_driver
i2c_smbus_read_byte_data
@@ -311,6 +320,7 @@
irq_of_parse_and_map
irq_set_irq_type
irq_set_irq_wake
+ irq_work_sync
is_console_locked
jiffies
jiffies_to_msecs
@@ -1419,6 +1429,7 @@
mbox_controller_unregister
mbox_free_channel
mbox_request_channel
+ mbox_request_channel_byname
mbox_send_message
register_syscore_ops
@@ -2526,3 +2537,15 @@
snd_pcm_rate_bit_to_rate
snd_soc_bytes_info_ext
snd_soc_new_compress
+
+# cpufreq_interactive.ko
+ add_timer_on
+ cpufreq_register_notifier
+ cpufreq_table_index_unsorted
+ cpufreq_unregister_notifier
+ down_read_trylock
+ get_cpu_idle_time
+ irq_work_queue
+ kobject_init_and_add
+ sched_setscheduler_nocheck
+ strpbrk
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 81e5265c2cb5..0f9f3701bd89 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1051,10 +1051,8 @@ static ssize_t waiting_for_supplier_show(struct device *dev,
bool val;
device_lock(dev);
- mutex_lock(&wfs_lock);
val = !list_empty(&dev->links.needs_suppliers)
&& dev->links.need_for_probe;
- mutex_unlock(&wfs_lock);
device_unlock(dev);
return sprintf(buf, "%u\n", val);
}
diff --git a/drivers/usb/gadget/function/f_accessory.c b/drivers/usb/gadget/function/f_accessory.c
index 3e0b8b5d7d14..718e01e3190f 100644
--- a/drivers/usb/gadget/function/f_accessory.c
+++ b/drivers/usb/gadget/function/f_accessory.c
@@ -27,6 +27,7 @@
#include
#include
#include
+#include
#include
#include
@@ -73,6 +74,7 @@ struct acc_dev {
struct usb_function function;
struct usb_composite_dev *cdev;
spinlock_t lock;
+ struct acc_dev_ref *ref;
struct usb_ep *ep_in;
struct usb_ep *ep_out;
@@ -80,13 +82,13 @@ struct acc_dev {
/* online indicates state of function_set_alt & function_unbind
* set to 1 when we connect
*/
- int online:1;
+ int online;
/* disconnected indicates state of open & release
* Set to 1 when we disconnect.
* Not cleared until our file is closed.
*/
- int disconnected:1;
+ int disconnected;
/* strings sent by the host */
char manufacturer[ACC_STRING_SIZE];
@@ -199,14 +201,48 @@ static struct usb_gadget_strings *acc_strings[] = {
NULL,
};
-/* temporary variable used between acc_open() and acc_gadget_bind() */
-static struct acc_dev *_acc_dev;
+struct acc_dev_ref {
+ struct kref kref;
+ struct acc_dev *acc_dev;
+};
+
+static struct acc_dev_ref _acc_dev_ref = {
+ .kref = KREF_INIT(0),
+};
struct acc_instance {
struct usb_function_instance func_inst;
const char *name;
};
+static struct acc_dev *get_acc_dev(void)
+{
+ struct acc_dev_ref *ref = &_acc_dev_ref;
+
+ return kref_get_unless_zero(&ref->kref) ? ref->acc_dev : NULL;
+}
+
+static void __put_acc_dev(struct kref *kref)
+{
+ struct acc_dev_ref *ref = container_of(kref, struct acc_dev_ref, kref);
+ struct acc_dev *dev = ref->acc_dev;
+
+ /* Cancel any async work */
+ cancel_delayed_work_sync(&dev->start_work);
+ cancel_work_sync(&dev->hid_work);
+
+ ref->acc_dev = NULL;
+ kfree(dev);
+}
+
+static void put_acc_dev(struct acc_dev *dev)
+{
+ struct acc_dev_ref *ref = dev->ref;
+
+ WARN_ON(ref->acc_dev != dev);
+ kref_put(&ref->kref, __put_acc_dev);
+}
+
static inline struct acc_dev *func_to_dev(struct usb_function *f)
{
return container_of(f, struct acc_dev, function);
@@ -272,7 +308,10 @@ static void acc_set_disconnected(struct acc_dev *dev)
static void acc_complete_in(struct usb_ep *ep, struct usb_request *req)
{
- struct acc_dev *dev = _acc_dev;
+ struct acc_dev *dev = get_acc_dev();
+
+ if (!dev)
+ return;
if (req->status == -ESHUTDOWN) {
pr_debug("acc_complete_in set disconnected");
@@ -282,11 +321,15 @@ static void acc_complete_in(struct usb_ep *ep, struct usb_request *req)
req_put(dev, &dev->tx_idle, req);
wake_up(&dev->write_wq);
+ put_acc_dev(dev);
}
static void acc_complete_out(struct usb_ep *ep, struct usb_request *req)
{
- struct acc_dev *dev = _acc_dev;
+ struct acc_dev *dev = get_acc_dev();
+
+ if (!dev)
+ return;
dev->rx_done = 1;
if (req->status == -ESHUTDOWN) {
@@ -295,6 +338,7 @@ static void acc_complete_out(struct usb_ep *ep, struct usb_request *req)
}
wake_up(&dev->read_wq);
+ put_acc_dev(dev);
}
static void acc_complete_set_string(struct usb_ep *ep, struct usb_request *req)
@@ -762,24 +806,36 @@ static long acc_ioctl(struct file *fp, unsigned code, unsigned long value)
static int acc_open(struct inode *ip, struct file *fp)
{
- printk(KERN_INFO "acc_open\n");
- if (atomic_xchg(&_acc_dev->open_excl, 1))
- return -EBUSY;
+ struct acc_dev *dev = get_acc_dev();
- _acc_dev->disconnected = 0;
- fp->private_data = _acc_dev;
+ if (!dev)
+ return -ENODEV;
+
+ if (atomic_xchg(&dev->open_excl, 1)) {
+ put_acc_dev(dev);
+ return -EBUSY;
+ }
+
+ dev->disconnected = 0;
+ fp->private_data = dev;
return 0;
}
static int acc_release(struct inode *ip, struct file *fp)
{
- printk(KERN_INFO "acc_release\n");
+ struct acc_dev *dev = fp->private_data;
+
+ if (!dev)
+ return -ENOENT;
- WARN_ON(!atomic_xchg(&_acc_dev->open_excl, 0));
/* indicate that we are disconnected
* still could be online so don't touch online flag
*/
- _acc_dev->disconnected = 1;
+ dev->disconnected = 1;
+
+ fp->private_data = NULL;
+ WARN_ON(!atomic_xchg(&dev->open_excl, 0));
+ put_acc_dev(dev);
return 0;
}
@@ -832,7 +888,7 @@ static void acc_complete_setup_noop(struct usb_ep *ep, struct usb_request *req)
int acc_ctrlrequest(struct usb_composite_dev *cdev,
const struct usb_ctrlrequest *ctrl)
{
- struct acc_dev *dev = _acc_dev;
+ struct acc_dev *dev = get_acc_dev();
int value = -EOPNOTSUPP;
struct acc_hid_dev *hid;
int offset;
@@ -843,12 +899,12 @@ int acc_ctrlrequest(struct usb_composite_dev *cdev,
u16 w_length = le16_to_cpu(ctrl->wLength);
unsigned long flags;
-/*
- printk(KERN_INFO "acc_ctrlrequest "
- "%02x.%02x v%04x i%04x l%u\n",
- b_requestType, b_request,
- w_value, w_index, w_length);
-*/
+ /*
+ * If instance is not created which is the case in power off charging
+ * mode, dev will be NULL. Hence return error if it is the case.
+ */
+ if (!dev)
+ return -ENODEV;
if (b_requestType == (USB_DIR_OUT | USB_TYPE_VENDOR)) {
if (b_request == ACCESSORY_START) {
@@ -935,6 +991,7 @@ err:
"%02x.%02x v%04x i%04x l%u\n",
ctrl->bRequestType, ctrl->bRequest,
w_value, w_index, w_length);
+ put_acc_dev(dev);
return value;
}
EXPORT_SYMBOL_GPL(acc_ctrlrequest);
@@ -1005,10 +1062,6 @@ kill_all_hid_devices(struct acc_dev *dev)
struct list_head *entry, *temp;
unsigned long flags;
- /* do nothing if usb accessory device doesn't exist */
- if (!dev)
- return;
-
spin_lock_irqsave(&dev->lock, flags);
list_for_each_safe(entry, temp, &dev->hid_list) {
hid = list_entry(entry, struct acc_hid_dev, list);
@@ -1093,12 +1146,15 @@ static void acc_hid_delete(struct acc_hid_dev *hid)
static void acc_hid_work(struct work_struct *data)
{
- struct acc_dev *dev = _acc_dev;
+ struct acc_dev *dev = get_acc_dev();
struct list_head *entry, *temp;
struct acc_hid_dev *hid;
struct list_head new_list, dead_list;
unsigned long flags;
+ if (!dev)
+ return;
+
INIT_LIST_HEAD(&new_list);
spin_lock_irqsave(&dev->lock, flags);
@@ -1144,6 +1200,8 @@ static void acc_hid_work(struct work_struct *data)
hid_destroy_device(hid->hid);
acc_hid_delete(hid);
}
+
+ put_acc_dev(dev);
}
static int acc_function_set_alt(struct usb_function *f,
@@ -1200,9 +1258,13 @@ static void acc_function_disable(struct usb_function *f)
static int acc_setup(void)
{
+ struct acc_dev_ref *ref = &_acc_dev_ref;
struct acc_dev *dev;
int ret;
+ if (kref_read(&ref->kref))
+ return -EBUSY;
+
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
@@ -1218,16 +1280,22 @@ static int acc_setup(void)
INIT_DELAYED_WORK(&dev->start_work, acc_start_work);
INIT_WORK(&dev->hid_work, acc_hid_work);
- /* _acc_dev must be set before calling usb_gadget_register_driver */
- _acc_dev = dev;
+ dev->ref = ref;
+ if (cmpxchg_relaxed(&ref->acc_dev, NULL, dev)) {
+ ret = -EBUSY;
+ goto err_free_dev;
+ }
ret = misc_register(&acc_device);
if (ret)
- goto err;
+ goto err_zap_ptr;
+ kref_init(&ref->kref);
return 0;
-err:
+err_zap_ptr:
+ ref->acc_dev = NULL;
+err_free_dev:
kfree(dev);
pr_err("USB accessory gadget driver failed to initialize\n");
return ret;
@@ -1235,16 +1303,24 @@ err:
void acc_disconnect(void)
{
+ struct acc_dev *dev = get_acc_dev();
+
+ if (!dev)
+ return;
+
/* unregister all HID devices if USB is disconnected */
- kill_all_hid_devices(_acc_dev);
+ kill_all_hid_devices(dev);
+ put_acc_dev(dev);
}
EXPORT_SYMBOL_GPL(acc_disconnect);
static void acc_cleanup(void)
{
+ struct acc_dev *dev = get_acc_dev();
+
misc_deregister(&acc_device);
- kfree(_acc_dev);
- _acc_dev = NULL;
+ put_acc_dev(dev);
+ put_acc_dev(dev); /* Pairs with kref_init() in acc_setup() */
}
static struct acc_instance *to_acc_instance(struct config_item *item)
{
@@ -1304,7 +1380,6 @@ static void acc_free_inst(struct usb_function_instance *fi)
static struct usb_function_instance *acc_alloc_inst(void)
{
struct acc_instance *fi_acc;
- struct acc_dev *dev;
int err;
fi_acc = kzalloc(sizeof(*fi_acc), GFP_KERNEL);
@@ -1316,19 +1391,19 @@ static struct usb_function_instance *acc_alloc_inst(void)
err = acc_setup();
if (err) {
kfree(fi_acc);
- pr_err("Error setting ACCESSORY\n");
return ERR_PTR(err);
}
config_group_init_type_name(&fi_acc->func_inst.group,
"", &acc_func_type);
- dev = _acc_dev;
return &fi_acc->func_inst;
}
static void acc_free(struct usb_function *f)
{
-/*NO-OP: no function specific resource allocation in mtp_alloc*/
+ struct acc_dev *dev = func_to_dev(f);
+
+ put_acc_dev(dev);
}
int acc_ctrlrequest_configfs(struct usb_function *f,
@@ -1341,9 +1416,7 @@ int acc_ctrlrequest_configfs(struct usb_function *f,
static struct usb_function *acc_alloc(struct usb_function_instance *fi)
{
- struct acc_dev *dev = _acc_dev;
-
- pr_info("acc_alloc\n");
+ struct acc_dev *dev = get_acc_dev();
dev->function.name = "accessory";
dev->function.strings = acc_strings,