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path: root/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
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Diffstat (limited to 'drivers/net/wireless/ralink/rt2x00/rt2800usb.c')
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2800usb.c87
1 files changed, 21 insertions, 66 deletions
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
index f38c44061b5b..685b8e0cd67d 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800usb.c
@@ -61,12 +61,12 @@ static void rt2800usb_start_queue(struct data_queue *queue)
switch (queue->qid) {
case QID_RX:
- rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+ reg = rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL);
rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 1);
rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
break;
case QID_BEACON:
- rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+ reg = rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG);
rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 1);
rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 1);
rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 1);
@@ -84,12 +84,12 @@ static void rt2800usb_stop_queue(struct data_queue *queue)
switch (queue->qid) {
case QID_RX:
- rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL, &reg);
+ reg = rt2x00usb_register_read(rt2x00dev, MAC_SYS_CTRL);
rt2x00_set_field32(&reg, MAC_SYS_CTRL_ENABLE_RX, 0);
rt2x00usb_register_write(rt2x00dev, MAC_SYS_CTRL, reg);
break;
case QID_BEACON:
- rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG, &reg);
+ reg = rt2x00usb_register_read(rt2x00dev, BCN_TIME_CFG);
rt2x00_set_field32(&reg, BCN_TIME_CFG_TSF_TICKING, 0);
rt2x00_set_field32(&reg, BCN_TIME_CFG_TBTT_ENABLE, 0);
rt2x00_set_field32(&reg, BCN_TIME_CFG_BEACON_GEN, 0);
@@ -123,7 +123,7 @@ static inline bool rt2800usb_entry_txstatus_timeout(struct queue_entry *entry)
if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
return false;
- tout = time_after(jiffies, entry->last_action + msecs_to_jiffies(100));
+ tout = time_after(jiffies, entry->last_action + msecs_to_jiffies(500));
if (unlikely(tout))
rt2x00_dbg(entry->queue->rt2x00dev,
"TX status timeout for entry %d in queue %d\n",
@@ -333,7 +333,7 @@ static int rt2800usb_init_registers(struct rt2x00_dev *rt2x00dev)
if (rt2800_wait_csr_ready(rt2x00dev))
return -EBUSY;
- rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL, &reg);
+ reg = rt2x00usb_register_read(rt2x00dev, PBF_SYS_CTRL);
rt2x00usb_register_write(rt2x00dev, PBF_SYS_CTRL, reg & ~0x00002000);
reg = 0;
@@ -436,47 +436,6 @@ static int rt2800usb_set_device_state(struct rt2x00_dev *rt2x00dev,
}
/*
- * Watchdog handlers
- */
-static void rt2800usb_watchdog(struct rt2x00_dev *rt2x00dev)
-{
- unsigned int i;
- u32 reg;
-
- rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
- if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q)) {
- rt2x00_warn(rt2x00dev, "TX HW queue 0 timed out, invoke forced kick\n");
-
- rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40012);
-
- for (i = 0; i < 10; i++) {
- udelay(10);
- if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX0Q))
- break;
- }
-
- rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
- }
-
- rt2x00usb_register_read(rt2x00dev, TXRXQ_PCNT, &reg);
- if (rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q)) {
- rt2x00_warn(rt2x00dev, "TX HW queue 1 timed out, invoke forced kick\n");
-
- rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf4000a);
-
- for (i = 0; i < 10; i++) {
- udelay(10);
- if (!rt2x00_get_field32(reg, TXRXQ_PCNT_TX1Q))
- break;
- }
-
- rt2x00usb_register_write(rt2x00dev, PBF_CFG, 0xf40006);
- }
-
- rt2x00usb_watchdog(rt2x00dev);
-}
-
-/*
* TX descriptor initialization
*/
static __le32 *rt2800usb_get_txwi(struct queue_entry *entry)
@@ -497,7 +456,7 @@ static void rt2800usb_write_tx_desc(struct queue_entry *entry,
/*
* Initialize TXINFO descriptor
*/
- rt2x00_desc_read(txi, 0, &word);
+ word = rt2x00_desc_read(txi, 0);
/*
* The size of TXINFO_W0_USB_DMA_TX_PKT_LEN is
@@ -542,8 +501,7 @@ static int rt2800usb_get_tx_data_len(struct queue_entry *entry)
/*
* TX control handlers
*/
-static enum txdone_entry_desc_flags
-rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
+static bool rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
{
__le32 *txwi;
u32 word;
@@ -556,7 +514,7 @@ rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
* frame.
*/
if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
- return TXDONE_FAILURE;
+ return false;
wcid = rt2x00_get_field32(reg, TX_STA_FIFO_WCID);
ack = rt2x00_get_field32(reg, TX_STA_FIFO_TX_ACK_REQUIRED);
@@ -569,7 +527,7 @@ rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
*/
txwi = rt2800usb_get_txwi(entry);
- rt2x00_desc_read(txwi, 1, &word);
+ word = rt2x00_desc_read(txwi, 1);
tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
tx_ack = rt2x00_get_field32(word, TXWI_W1_ACK);
tx_pid = rt2x00_get_field32(word, TXWI_W1_PACKETID);
@@ -578,10 +536,10 @@ rt2800usb_txdone_entry_check(struct queue_entry *entry, u32 reg)
rt2x00_dbg(entry->queue->rt2x00dev,
"TX status report missed for queue %d entry %d\n",
entry->queue->qid, entry->entry_idx);
- return TXDONE_UNKNOWN;
+ return false;
}
- return TXDONE_SUCCESS;
+ return true;
}
static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
@@ -590,7 +548,7 @@ static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
struct queue_entry *entry;
u32 reg;
u8 qid;
- enum txdone_entry_desc_flags done_status;
+ bool match;
while (kfifo_get(&rt2x00dev->txstatus_fifo, &reg)) {
/*
@@ -615,11 +573,8 @@ static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
break;
}
- done_status = rt2800usb_txdone_entry_check(entry, reg);
- if (likely(done_status == TXDONE_SUCCESS))
- rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry));
- else
- rt2x00lib_txdone_noinfo(entry, done_status);
+ match = rt2800usb_txdone_entry_check(entry, reg);
+ rt2800_txdone_entry(entry, reg, rt2800usb_get_txwi(entry), match);
}
}
@@ -643,10 +598,9 @@ static void rt2800usb_txdone_nostatus(struct rt2x00_dev *rt2x00dev)
!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
break;
- if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
+ if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags) ||
+ rt2800usb_entry_txstatus_timeout(entry))
rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
- else if (rt2800usb_entry_txstatus_timeout(entry))
- rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
else
break;
}
@@ -698,7 +652,7 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry,
* | RXINFO | RXWI | header | L2 pad | payload | pad | RXD | USB pad |
* |<------------ rx_pkt_len -------------->|
*/
- rt2x00_desc_read(rxi, 0, &word);
+ word = rt2x00_desc_read(rxi, 0);
rx_pkt_len = rt2x00_get_field32(word, RXINFO_W0_USB_DMA_RX_PKT_LEN);
/*
@@ -722,7 +676,7 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry,
/*
* It is now safe to read the descriptor on all architectures.
*/
- rt2x00_desc_read(rxd, 0, &word);
+ word = rt2x00_desc_read(rxd, 0);
if (rt2x00_get_field32(word, RXD_W0_CRC_ERROR))
rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
@@ -877,7 +831,6 @@ static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
.link_tuner = rt2800_link_tuner,
.gain_calibration = rt2800_gain_calibration,
.vco_calibration = rt2800_vco_calibration,
- .watchdog = rt2800usb_watchdog,
.start_queue = rt2800usb_start_queue,
.kick_queue = rt2x00usb_kick_queue,
.stop_queue = rt2800usb_stop_queue,
@@ -1203,6 +1156,8 @@ static struct usb_device_id rt2800usb_device_table[] = {
{ USB_DEVICE(0x2001, 0x3c17) },
/* Panasonic */
{ USB_DEVICE(0x083a, 0xb511) },
+ /* Accton/Arcadyan/Epson */
+ { USB_DEVICE(0x083a, 0xb512) },
/* Philips */
{ USB_DEVICE(0x0471, 0x20dd) },
/* Ralink */
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