mutex_lock(&usb->usb_ctrl_mtx);
while (i < len) {
- current_batch_size = min_t(int, sizeof(usb->data), len - i);
+ current_batch_size = min_t(int, usb->data_len, len - i);
memcpy(usb->data, val + i, current_batch_size);
ret = __mt76u_vendor_request(dev, MT_VEND_MULTI_WRITE,
USB_DIR_OUT | USB_TYPE_VENDOR,
.kick = mt76u_tx_kick,
};
+void mt76u_deinit(struct mt76_dev *dev)
+{
+ if (dev->usb.stat_wq) {
+ destroy_workqueue(dev->usb.stat_wq);
+ dev->usb.stat_wq = NULL;
+ }
+}
+EXPORT_SYMBOL_GPL(mt76u_deinit);
+
int mt76u_init(struct mt76_dev *dev,
struct usb_interface *intf)
{
if (!usb->stat_wq)
return -ENOMEM;
+ usb->data_len = usb_maxpacket(udev, usb_sndctrlpipe(udev, 0), 1);
+ if (usb->data_len < 32)
+ usb->data_len = 32;
+ usb->data = devm_kmalloc(dev->dev, usb->data_len, GFP_KERNEL);
+ if (!usb->data) {
+ mt76u_deinit(dev);
+ return -ENOMEM;
+ }
+
mutex_init(&usb->mcu.mutex);
mutex_init(&usb->usb_ctrl_mtx);
}
EXPORT_SYMBOL_GPL(mt76u_init);
-void mt76u_deinit(struct mt76_dev *dev)
-{
- if (dev->usb.stat_wq) {
- destroy_workqueue(dev->usb.stat_wq);
- dev->usb.stat_wq = NULL;
- }
-}
-EXPORT_SYMBOL_GPL(mt76u_deinit);
-
MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
MODULE_LICENSE("Dual BSD/GPL");