Release 4.18 drivers/net/wireless/rsi/rsi_91x_usb_ops.c
/**
* Copyright (c) 2014 Redpine Signals Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include <linux/firmware.h>
#include "rsi_usb.h"
/**
* rsi_usb_rx_thread() - This is a kernel thread to receive the packets from
* the USB device.
* @common: Pointer to the driver private structure.
*
* Return: None.
*/
void rsi_usb_rx_thread(struct rsi_common *common)
{
struct rsi_hw *adapter = common->priv;
struct rsi_91x_usbdev *dev = (struct rsi_91x_usbdev *)adapter->rsi_dev;
int status;
struct sk_buff *skb;
do {
rsi_wait_event(&dev->rx_thread.event, EVENT_WAIT_FOREVER);
rsi_reset_event(&dev->rx_thread.event);
while (true) {
if (atomic_read(&dev->rx_thread.thread_done))
goto out;
skb = skb_dequeue(&dev->rx_q);
if (!skb)
break;
status = rsi_read_pkt(common, skb->data, 0);
if (status) {
rsi_dbg(ERR_ZONE, "%s: Failed To read data",
__func__);
break;
}
dev_kfree_skb(skb);
}
} while (1);
out:
rsi_dbg(INFO_ZONE, "%s: Terminated thread\n", __func__);
skb_queue_purge(&dev->rx_q);
complete_and_exit(&dev->rx_thread.completion, 0);
}
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