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path: root/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
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Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_sdio_ops.c')
-rw-r--r--drivers/net/wireless/rsi/rsi_91x_sdio_ops.c52
1 files changed, 13 insertions, 39 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
index 612c211e21a1..d66ae2f57314 100644
--- a/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
+++ b/drivers/net/wireless/rsi/rsi_91x_sdio_ops.c
@@ -60,39 +60,20 @@ int rsi_sdio_master_access_msword(struct rsi_hw *adapter, u16 ms_word)
return status;
}
+static void rsi_rx_handler(struct rsi_hw *adapter);
+
void rsi_sdio_rx_thread(struct rsi_common *common)
{
struct rsi_hw *adapter = common->priv;
struct rsi_91x_sdiodev *sdev = adapter->rsi_dev;
- struct sk_buff *skb;
- int status;
do {
rsi_wait_event(&sdev->rx_thread.event, EVENT_WAIT_FOREVER);
rsi_reset_event(&sdev->rx_thread.event);
+ rsi_rx_handler(adapter);
+ } while (!atomic_read(&sdev->rx_thread.thread_done));
- while (true) {
- if (atomic_read(&sdev->rx_thread.thread_done))
- goto out;
-
- skb = skb_dequeue(&sdev->rx_q.head);
- if (!skb)
- break;
- if (sdev->rx_q.num_rx_pkts > 0)
- sdev->rx_q.num_rx_pkts--;
- status = rsi_read_pkt(common, skb->data, skb->len);
- if (status) {
- rsi_dbg(ERR_ZONE, "Failed to read the packet\n");
- dev_kfree_skb(skb);
- break;
- }
- dev_kfree_skb(skb);
- }
- } while (1);
-
-out:
rsi_dbg(INFO_ZONE, "%s: Terminated SDIO RX thread\n", __func__);
- skb_queue_purge(&sdev->rx_q.head);
atomic_inc(&sdev->rx_thread.thread_done);
complete_and_exit(&sdev->rx_thread.completion, 0);
}
@@ -113,10 +94,6 @@ static int rsi_process_pkt(struct rsi_common *common)
u32 rcv_pkt_len = 0;
int status = 0;
u8 value = 0;
- struct sk_buff *skb;
-
- if (dev->rx_q.num_rx_pkts >= RSI_MAX_RX_PKTS)
- return 0;
num_blks = ((adapter->interrupt_status & 1) |
((adapter->interrupt_status >> RECV_NUM_BLOCKS) << 1));
@@ -144,22 +121,19 @@ static int rsi_process_pkt(struct rsi_common *common)
rcv_pkt_len = (num_blks * 256);
- skb = dev_alloc_skb(rcv_pkt_len);
- if (!skb)
- return -ENOMEM;
-
- status = rsi_sdio_host_intf_read_pkt(adapter, skb->data, rcv_pkt_len);
+ status = rsi_sdio_host_intf_read_pkt(adapter, dev->pktbuffer,
+ rcv_pkt_len);
if (status) {
rsi_dbg(ERR_ZONE, "%s: Failed to read packet from card\n",
__func__);
- dev_kfree_skb(skb);
return status;
}
- skb_put(skb, rcv_pkt_len);
- skb_queue_tail(&dev->rx_q.head, skb);
- dev->rx_q.num_rx_pkts++;
- rsi_set_event(&dev->rx_thread.event);
+ status = rsi_read_pkt(common, dev->pktbuffer, rcv_pkt_len);
+ if (status) {
+ rsi_dbg(ERR_ZONE, "Failed to read the packet\n");
+ return status;
+ }
return 0;
}
@@ -251,12 +225,12 @@ int rsi_init_sdio_slave_regs(struct rsi_hw *adapter)
}
/**
- * rsi_interrupt_handler() - This function read and process SDIO interrupts.
+ * rsi_rx_handler() - Read and process SDIO interrupts.
* @adapter: Pointer to the adapter structure.
*
* Return: None.
*/
-void rsi_interrupt_handler(struct rsi_hw *adapter)
+static void rsi_rx_handler(struct rsi_hw *adapter)
{
struct rsi_common *common = adapter->priv;
struct rsi_91x_sdiodev *dev =