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path: root/drivers/net/wireless/ralink/rt2x00/rt2400pci.c
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Diffstat (limited to 'drivers/net/wireless/ralink/rt2x00/rt2400pci.c')
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2400pci.c181
1 files changed, 92 insertions, 89 deletions
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c
index 19874439ac40..0bc8b0249c57 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2400pci.c
@@ -77,10 +77,11 @@ static void rt2400pci_bbp_write(struct rt2x00_dev *rt2x00dev,
mutex_unlock(&rt2x00dev->csr_mutex);
}
-static void rt2400pci_bbp_read(struct rt2x00_dev *rt2x00dev,
- const unsigned int word, u8 *value)
+static u8 rt2400pci_bbp_read(struct rt2x00_dev *rt2x00dev,
+ const unsigned int word)
{
u32 reg;
+ u8 value;
mutex_lock(&rt2x00dev->csr_mutex);
@@ -103,9 +104,11 @@ static void rt2400pci_bbp_read(struct rt2x00_dev *rt2x00dev,
WAIT_FOR_BBP(rt2x00dev, &reg);
}
- *value = rt2x00_get_field32(reg, BBPCSR_VALUE);
+ value = rt2x00_get_field32(reg, BBPCSR_VALUE);
mutex_unlock(&rt2x00dev->csr_mutex);
+
+ return value;
}
static void rt2400pci_rf_write(struct rt2x00_dev *rt2x00dev,
@@ -138,7 +141,7 @@ static void rt2400pci_eepromregister_read(struct eeprom_93cx6 *eeprom)
struct rt2x00_dev *rt2x00dev = eeprom->data;
u32 reg;
- rt2x00mmio_register_read(rt2x00dev, CSR21, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR21);
eeprom->reg_data_in = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_IN);
eeprom->reg_data_out = !!rt2x00_get_field32(reg, CSR21_EEPROM_DATA_OUT);
@@ -202,7 +205,7 @@ static int rt2400pci_rfkill_poll(struct rt2x00_dev *rt2x00dev)
{
u32 reg;
- rt2x00mmio_register_read(rt2x00dev, GPIOCSR, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, GPIOCSR);
return rt2x00_get_field32(reg, GPIOCSR_VAL0);
}
@@ -215,7 +218,7 @@ static void rt2400pci_brightness_set(struct led_classdev *led_cdev,
unsigned int enabled = brightness != LED_OFF;
u32 reg;
- rt2x00mmio_register_read(led->rt2x00dev, LEDCSR, &reg);
+ reg = rt2x00mmio_register_read(led->rt2x00dev, LEDCSR);
if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC)
rt2x00_set_field32(&reg, LEDCSR_LINK, enabled);
@@ -233,7 +236,7 @@ static int rt2400pci_blink_set(struct led_classdev *led_cdev,
container_of(led_cdev, struct rt2x00_led, led_dev);
u32 reg;
- rt2x00mmio_register_read(led->rt2x00dev, LEDCSR, &reg);
+ reg = rt2x00mmio_register_read(led->rt2x00dev, LEDCSR);
rt2x00_set_field32(&reg, LEDCSR_ON_PERIOD, *delay_on);
rt2x00_set_field32(&reg, LEDCSR_OFF_PERIOD, *delay_off);
rt2x00mmio_register_write(led->rt2x00dev, LEDCSR, reg);
@@ -266,7 +269,7 @@ static void rt2400pci_config_filter(struct rt2x00_dev *rt2x00dev,
* Note that the version error will always be dropped
* since there is no filter for it at this time.
*/
- rt2x00mmio_register_read(rt2x00dev, RXCSR0, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, RXCSR0);
rt2x00_set_field32(&reg, RXCSR0_DROP_CRC,
!(filter_flags & FIF_FCSFAIL));
rt2x00_set_field32(&reg, RXCSR0_DROP_PHYSICAL,
@@ -295,14 +298,14 @@ static void rt2400pci_config_intf(struct rt2x00_dev *rt2x00dev,
* Enable beacon config
*/
bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
- rt2x00mmio_register_read(rt2x00dev, BCNCSR1, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, BCNCSR1);
rt2x00_set_field32(&reg, BCNCSR1_PRELOAD, bcn_preload);
rt2x00mmio_register_write(rt2x00dev, BCNCSR1, reg);
/*
* Enable synchronisation.
*/
- rt2x00mmio_register_read(rt2x00dev, CSR14, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR14);
rt2x00_set_field32(&reg, CSR14_TSF_SYNC, conf->sync);
rt2x00mmio_register_write(rt2x00dev, CSR14, reg);
}
@@ -330,35 +333,35 @@ static void rt2400pci_config_erp(struct rt2x00_dev *rt2x00dev,
if (changed & BSS_CHANGED_ERP_PREAMBLE) {
preamble_mask = erp->short_preamble << 3;
- rt2x00mmio_register_read(rt2x00dev, TXCSR1, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, TXCSR1);
rt2x00_set_field32(&reg, TXCSR1_ACK_TIMEOUT, 0x1ff);
rt2x00_set_field32(&reg, TXCSR1_ACK_CONSUME_TIME, 0x13a);
rt2x00_set_field32(&reg, TXCSR1_TSF_OFFSET, IEEE80211_HEADER);
rt2x00_set_field32(&reg, TXCSR1_AUTORESPONDER, 1);
rt2x00mmio_register_write(rt2x00dev, TXCSR1, reg);
- rt2x00mmio_register_read(rt2x00dev, ARCSR2, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, ARCSR2);
rt2x00_set_field32(&reg, ARCSR2_SIGNAL, 0x00);
rt2x00_set_field32(&reg, ARCSR2_SERVICE, 0x04);
rt2x00_set_field32(&reg, ARCSR2_LENGTH,
GET_DURATION(ACK_SIZE, 10));
rt2x00mmio_register_write(rt2x00dev, ARCSR2, reg);
- rt2x00mmio_register_read(rt2x00dev, ARCSR3, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, ARCSR3);
rt2x00_set_field32(&reg, ARCSR3_SIGNAL, 0x01 | preamble_mask);
rt2x00_set_field32(&reg, ARCSR3_SERVICE, 0x04);
rt2x00_set_field32(&reg, ARCSR2_LENGTH,
GET_DURATION(ACK_SIZE, 20));
rt2x00mmio_register_write(rt2x00dev, ARCSR3, reg);
- rt2x00mmio_register_read(rt2x00dev, ARCSR4, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, ARCSR4);
rt2x00_set_field32(&reg, ARCSR4_SIGNAL, 0x02 | preamble_mask);
rt2x00_set_field32(&reg, ARCSR4_SERVICE, 0x04);
rt2x00_set_field32(&reg, ARCSR2_LENGTH,
GET_DURATION(ACK_SIZE, 55));
rt2x00mmio_register_write(rt2x00dev, ARCSR4, reg);
- rt2x00mmio_register_read(rt2x00dev, ARCSR5, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, ARCSR5);
rt2x00_set_field32(&reg, ARCSR5_SIGNAL, 0x03 | preamble_mask);
rt2x00_set_field32(&reg, ARCSR5_SERVICE, 0x84);
rt2x00_set_field32(&reg, ARCSR2_LENGTH,
@@ -370,23 +373,23 @@ static void rt2400pci_config_erp(struct rt2x00_dev *rt2x00dev,
rt2x00mmio_register_write(rt2x00dev, ARCSR1, erp->basic_rates);
if (changed & BSS_CHANGED_ERP_SLOT) {
- rt2x00mmio_register_read(rt2x00dev, CSR11, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR11);
rt2x00_set_field32(&reg, CSR11_SLOT_TIME, erp->slot_time);
rt2x00mmio_register_write(rt2x00dev, CSR11, reg);
- rt2x00mmio_register_read(rt2x00dev, CSR18, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR18);
rt2x00_set_field32(&reg, CSR18_SIFS, erp->sifs);
rt2x00_set_field32(&reg, CSR18_PIFS, erp->pifs);
rt2x00mmio_register_write(rt2x00dev, CSR18, reg);
- rt2x00mmio_register_read(rt2x00dev, CSR19, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR19);
rt2x00_set_field32(&reg, CSR19_DIFS, erp->difs);
rt2x00_set_field32(&reg, CSR19_EIFS, erp->eifs);
rt2x00mmio_register_write(rt2x00dev, CSR19, reg);
}
if (changed & BSS_CHANGED_BEACON_INT) {
- rt2x00mmio_register_read(rt2x00dev, CSR12, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR12);
rt2x00_set_field32(&reg, CSR12_BEACON_INTERVAL,
erp->beacon_int * 16);
rt2x00_set_field32(&reg, CSR12_CFP_MAX_DURATION,
@@ -408,8 +411,8 @@ static void rt2400pci_config_ant(struct rt2x00_dev *rt2x00dev,
BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
ant->tx == ANTENNA_SW_DIVERSITY);
- rt2400pci_bbp_read(rt2x00dev, 4, &r4);
- rt2400pci_bbp_read(rt2x00dev, 1, &r1);
+ r4 = rt2400pci_bbp_read(rt2x00dev, 4);
+ r1 = rt2400pci_bbp_read(rt2x00dev, 1);
/*
* Configure the TX antenna.
@@ -495,7 +498,7 @@ static void rt2400pci_config_channel(struct rt2x00_dev *rt2x00dev,
/*
* Clear false CRC during channel switch.
*/
- rt2x00mmio_register_read(rt2x00dev, CNT0, &rf->rf1);
+ rf->rf1 = rt2x00mmio_register_read(rt2x00dev, CNT0);
}
static void rt2400pci_config_txpower(struct rt2x00_dev *rt2x00dev, int txpower)
@@ -508,7 +511,7 @@ static void rt2400pci_config_retry_limit(struct rt2x00_dev *rt2x00dev,
{
u32 reg;
- rt2x00mmio_register_read(rt2x00dev, CSR11, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR11);
rt2x00_set_field32(&reg, CSR11_LONG_RETRY,
libconf->conf->long_frame_max_tx_count);
rt2x00_set_field32(&reg, CSR11_SHORT_RETRY,
@@ -525,7 +528,7 @@ static void rt2400pci_config_ps(struct rt2x00_dev *rt2x00dev,
u32 reg;
if (state == STATE_SLEEP) {
- rt2x00mmio_register_read(rt2x00dev, CSR20, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR20);
rt2x00_set_field32(&reg, CSR20_DELAY_AFTER_TBCN,
(rt2x00dev->beacon_int - 20) * 16);
rt2x00_set_field32(&reg, CSR20_TBCN_BEFORE_WAKEUP,
@@ -538,7 +541,7 @@ static void rt2400pci_config_ps(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field32(&reg, CSR20_AUTOWAKE, 1);
rt2x00mmio_register_write(rt2x00dev, CSR20, reg);
} else {
- rt2x00mmio_register_read(rt2x00dev, CSR20, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR20);
rt2x00_set_field32(&reg, CSR20_AUTOWAKE, 0);
rt2x00mmio_register_write(rt2x00dev, CSR20, reg);
}
@@ -566,7 +569,7 @@ static void rt2400pci_config_cw(struct rt2x00_dev *rt2x00dev,
{
u32 reg;
- rt2x00mmio_register_read(rt2x00dev, CSR11, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR11);
rt2x00_set_field32(&reg, CSR11_CWMIN, cw_min);
rt2x00_set_field32(&reg, CSR11_CWMAX, cw_max);
rt2x00mmio_register_write(rt2x00dev, CSR11, reg);
@@ -584,13 +587,13 @@ static void rt2400pci_link_stats(struct rt2x00_dev *rt2x00dev,
/*
* Update FCS error count from register.
*/
- rt2x00mmio_register_read(rt2x00dev, CNT0, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CNT0);
qual->rx_failed = rt2x00_get_field32(reg, CNT0_FCS_ERROR);
/*
* Update False CCA count from register.
*/
- rt2400pci_bbp_read(rt2x00dev, 39, &bbp);
+ bbp = rt2400pci_bbp_read(rt2x00dev, 39);
qual->false_cca = bbp;
}
@@ -639,12 +642,12 @@ static void rt2400pci_start_queue(struct data_queue *queue)
switch (queue->qid) {
case QID_RX:
- rt2x00mmio_register_read(rt2x00dev, RXCSR0, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, RXCSR0);
rt2x00_set_field32(&reg, RXCSR0_DISABLE_RX, 0);
rt2x00mmio_register_write(rt2x00dev, RXCSR0, reg);
break;
case QID_BEACON:
- rt2x00mmio_register_read(rt2x00dev, CSR14, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR14);
rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 1);
rt2x00_set_field32(&reg, CSR14_TBCN, 1);
rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 1);
@@ -662,17 +665,17 @@ static void rt2400pci_kick_queue(struct data_queue *queue)
switch (queue->qid) {
case QID_AC_VO:
- rt2x00mmio_register_read(rt2x00dev, TXCSR0, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, TXCSR0);
rt2x00_set_field32(&reg, TXCSR0_KICK_PRIO, 1);
rt2x00mmio_register_write(rt2x00dev, TXCSR0, reg);
break;
case QID_AC_VI:
- rt2x00mmio_register_read(rt2x00dev, TXCSR0, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, TXCSR0);
rt2x00_set_field32(&reg, TXCSR0_KICK_TX, 1);
rt2x00mmio_register_write(rt2x00dev, TXCSR0, reg);
break;
case QID_ATIM:
- rt2x00mmio_register_read(rt2x00dev, TXCSR0, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, TXCSR0);
rt2x00_set_field32(&reg, TXCSR0_KICK_ATIM, 1);
rt2x00mmio_register_write(rt2x00dev, TXCSR0, reg);
break;
@@ -690,17 +693,17 @@ static void rt2400pci_stop_queue(struct data_queue *queue)
case QID_AC_VO:
case QID_AC_VI:
case QID_ATIM:
- rt2x00mmio_register_read(rt2x00dev, TXCSR0, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, TXCSR0);
rt2x00_set_field32(&reg, TXCSR0_ABORT, 1);
rt2x00mmio_register_write(rt2x00dev, TXCSR0, reg);
break;
case QID_RX:
- rt2x00mmio_register_read(rt2x00dev, RXCSR0, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, RXCSR0);
rt2x00_set_field32(&reg, RXCSR0_DISABLE_RX, 1);
rt2x00mmio_register_write(rt2x00dev, RXCSR0, reg);
break;
case QID_BEACON:
- rt2x00mmio_register_read(rt2x00dev, CSR14, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR14);
rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 0);
rt2x00_set_field32(&reg, CSR14_TBCN, 0);
rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
@@ -725,11 +728,11 @@ static bool rt2400pci_get_entry_state(struct queue_entry *entry)
u32 word;
if (entry->queue->qid == QID_RX) {
- rt2x00_desc_read(entry_priv->desc, 0, &word);
+ word = rt2x00_desc_read(entry_priv->desc, 0);
return rt2x00_get_field32(word, RXD_W0_OWNER_NIC);
} else {
- rt2x00_desc_read(entry_priv->desc, 0, &word);
+ word = rt2x00_desc_read(entry_priv->desc, 0);
return (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
rt2x00_get_field32(word, TXD_W0_VALID));
@@ -743,19 +746,19 @@ static void rt2400pci_clear_entry(struct queue_entry *entry)
u32 word;
if (entry->queue->qid == QID_RX) {
- rt2x00_desc_read(entry_priv->desc, 2, &word);
+ word = rt2x00_desc_read(entry_priv->desc, 2);
rt2x00_set_field32(&word, RXD_W2_BUFFER_LENGTH, entry->skb->len);
rt2x00_desc_write(entry_priv->desc, 2, word);
- rt2x00_desc_read(entry_priv->desc, 1, &word);
+ word = rt2x00_desc_read(entry_priv->desc, 1);
rt2x00_set_field32(&word, RXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
rt2x00_desc_write(entry_priv->desc, 1, word);
- rt2x00_desc_read(entry_priv->desc, 0, &word);
+ word = rt2x00_desc_read(entry_priv->desc, 0);
rt2x00_set_field32(&word, RXD_W0_OWNER_NIC, 1);
rt2x00_desc_write(entry_priv->desc, 0, word);
} else {
- rt2x00_desc_read(entry_priv->desc, 0, &word);
+ word = rt2x00_desc_read(entry_priv->desc, 0);
rt2x00_set_field32(&word, TXD_W0_VALID, 0);
rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 0);
rt2x00_desc_write(entry_priv->desc, 0, word);
@@ -770,7 +773,7 @@ static int rt2400pci_init_queues(struct rt2x00_dev *rt2x00dev)
/*
* Initialize registers.
*/
- rt2x00mmio_register_read(rt2x00dev, TXCSR2, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, TXCSR2);
rt2x00_set_field32(&reg, TXCSR2_TXD_SIZE, rt2x00dev->tx[0].desc_size);
rt2x00_set_field32(&reg, TXCSR2_NUM_TXD, rt2x00dev->tx[1].limit);
rt2x00_set_field32(&reg, TXCSR2_NUM_ATIM, rt2x00dev->atim->limit);
@@ -778,36 +781,36 @@ static int rt2400pci_init_queues(struct rt2x00_dev *rt2x00dev)
rt2x00mmio_register_write(rt2x00dev, TXCSR2, reg);
entry_priv = rt2x00dev->tx[1].entries[0].priv_data;
- rt2x00mmio_register_read(rt2x00dev, TXCSR3, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, TXCSR3);
rt2x00_set_field32(&reg, TXCSR3_TX_RING_REGISTER,
entry_priv->desc_dma);
rt2x00mmio_register_write(rt2x00dev, TXCSR3, reg);
entry_priv = rt2x00dev->tx[0].entries[0].priv_data;
- rt2x00mmio_register_read(rt2x00dev, TXCSR5, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, TXCSR5);
rt2x00_set_field32(&reg, TXCSR5_PRIO_RING_REGISTER,
entry_priv->desc_dma);
rt2x00mmio_register_write(rt2x00dev, TXCSR5, reg);
entry_priv = rt2x00dev->atim->entries[0].priv_data;
- rt2x00mmio_register_read(rt2x00dev, TXCSR4, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, TXCSR4);
rt2x00_set_field32(&reg, TXCSR4_ATIM_RING_REGISTER,
entry_priv->desc_dma);
rt2x00mmio_register_write(rt2x00dev, TXCSR4, reg);
entry_priv = rt2x00dev->bcn->entries[0].priv_data;
- rt2x00mmio_register_read(rt2x00dev, TXCSR6, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, TXCSR6);
rt2x00_set_field32(&reg, TXCSR6_BEACON_RING_REGISTER,
entry_priv->desc_dma);
rt2x00mmio_register_write(rt2x00dev, TXCSR6, reg);
- rt2x00mmio_register_read(rt2x00dev, RXCSR1, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, RXCSR1);
rt2x00_set_field32(&reg, RXCSR1_RXD_SIZE, rt2x00dev->rx->desc_size);
rt2x00_set_field32(&reg, RXCSR1_NUM_RXD, rt2x00dev->rx->limit);
rt2x00mmio_register_write(rt2x00dev, RXCSR1, reg);
entry_priv = rt2x00dev->rx->entries[0].priv_data;
- rt2x00mmio_register_read(rt2x00dev, RXCSR2, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, RXCSR2);
rt2x00_set_field32(&reg, RXCSR2_RX_RING_REGISTER,
entry_priv->desc_dma);
rt2x00mmio_register_write(rt2x00dev, RXCSR2, reg);
@@ -824,18 +827,18 @@ static int rt2400pci_init_registers(struct rt2x00_dev *rt2x00dev)
rt2x00mmio_register_write(rt2x00dev, PSCSR2, 0x00023f20);
rt2x00mmio_register_write(rt2x00dev, PSCSR3, 0x00000002);
- rt2x00mmio_register_read(rt2x00dev, TIMECSR, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, TIMECSR);
rt2x00_set_field32(&reg, TIMECSR_US_COUNT, 33);
rt2x00_set_field32(&reg, TIMECSR_US_64_COUNT, 63);
rt2x00_set_field32(&reg, TIMECSR_BEACON_EXPECT, 0);
rt2x00mmio_register_write(rt2x00dev, TIMECSR, reg);
- rt2x00mmio_register_read(rt2x00dev, CSR9, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR9);
rt2x00_set_field32(&reg, CSR9_MAX_FRAME_UNIT,
(rt2x00dev->rx->data_size / 128));
rt2x00mmio_register_write(rt2x00dev, CSR9, reg);
- rt2x00mmio_register_read(rt2x00dev, CSR14, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR14);
rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 0);
rt2x00_set_field32(&reg, CSR14_TSF_SYNC, 0);
rt2x00_set_field32(&reg, CSR14_TBCN, 0);
@@ -848,14 +851,14 @@ static int rt2400pci_init_registers(struct rt2x00_dev *rt2x00dev)
rt2x00mmio_register_write(rt2x00dev, CNT3, 0x3f080000);
- rt2x00mmio_register_read(rt2x00dev, ARCSR0, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, ARCSR0);
rt2x00_set_field32(&reg, ARCSR0_AR_BBP_DATA0, 133);
rt2x00_set_field32(&reg, ARCSR0_AR_BBP_ID0, 134);
rt2x00_set_field32(&reg, ARCSR0_AR_BBP_DATA1, 136);
rt2x00_set_field32(&reg, ARCSR0_AR_BBP_ID1, 135);
rt2x00mmio_register_write(rt2x00dev, ARCSR0, reg);
- rt2x00mmio_register_read(rt2x00dev, RXCSR3, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, RXCSR3);
rt2x00_set_field32(&reg, RXCSR3_BBP_ID0, 3); /* Tx power.*/
rt2x00_set_field32(&reg, RXCSR3_BBP_ID0_VALID, 1);
rt2x00_set_field32(&reg, RXCSR3_BBP_ID1, 32); /* Signal */
@@ -872,24 +875,24 @@ static int rt2400pci_init_registers(struct rt2x00_dev *rt2x00dev)
rt2x00mmio_register_write(rt2x00dev, MACCSR0, 0x00217223);
rt2x00mmio_register_write(rt2x00dev, MACCSR1, 0x00235518);
- rt2x00mmio_register_read(rt2x00dev, MACCSR2, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, MACCSR2);
rt2x00_set_field32(&reg, MACCSR2_DELAY, 64);
rt2x00mmio_register_write(rt2x00dev, MACCSR2, reg);
- rt2x00mmio_register_read(rt2x00dev, RALINKCSR, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, RALINKCSR);
rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA0, 17);
rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID0, 154);
rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_DATA1, 0);
rt2x00_set_field32(&reg, RALINKCSR_AR_BBP_ID1, 154);
rt2x00mmio_register_write(rt2x00dev, RALINKCSR, reg);
- rt2x00mmio_register_read(rt2x00dev, CSR1, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR1);
rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 1);
rt2x00_set_field32(&reg, CSR1_BBP_RESET, 0);
rt2x00_set_field32(&reg, CSR1_HOST_READY, 0);
rt2x00mmio_register_write(rt2x00dev, CSR1, reg);
- rt2x00mmio_register_read(rt2x00dev, CSR1, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR1);
rt2x00_set_field32(&reg, CSR1_SOFT_RESET, 0);
rt2x00_set_field32(&reg, CSR1_HOST_READY, 1);
rt2x00mmio_register_write(rt2x00dev, CSR1, reg);
@@ -899,8 +902,8 @@ static int rt2400pci_init_registers(struct rt2x00_dev *rt2x00dev)
* These registers are cleared on read,
* so we may pass a useless variable to store the value.
*/
- rt2x00mmio_register_read(rt2x00dev, CNT0, &reg);
- rt2x00mmio_register_read(rt2x00dev, CNT4, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CNT0);
+ reg = rt2x00mmio_register_read(rt2x00dev, CNT4);
return 0;
}
@@ -911,7 +914,7 @@ static int rt2400pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
u8 value;
for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
- rt2400pci_bbp_read(rt2x00dev, 0, &value);
+ value = rt2400pci_bbp_read(rt2x00dev, 0);
if ((value != 0xff) && (value != 0x00))
return 0;
udelay(REGISTER_BUSY_DELAY);
@@ -947,7 +950,7 @@ static int rt2400pci_init_bbp(struct rt2x00_dev *rt2x00dev)
rt2400pci_bbp_write(rt2x00dev, 31, 0x00);
for (i = 0; i < EEPROM_BBP_SIZE; i++) {
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
+ eeprom = rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i);
if (eeprom != 0xffff && eeprom != 0x0000) {
reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
@@ -974,7 +977,7 @@ static void rt2400pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
* should clear the register to assure a clean state.
*/
if (state == STATE_RADIO_IRQ_ON) {
- rt2x00mmio_register_read(rt2x00dev, CSR7, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR7);
rt2x00mmio_register_write(rt2x00dev, CSR7, reg);
}
@@ -984,7 +987,7 @@ static void rt2400pci_toggle_irq(struct rt2x00_dev *rt2x00dev,
*/
spin_lock_irqsave(&rt2x00dev->irqmask_lock, flags);
- rt2x00mmio_register_read(rt2x00dev, CSR8, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR8);
rt2x00_set_field32(&reg, CSR8_TBCN_EXPIRE, mask);
rt2x00_set_field32(&reg, CSR8_TXDONE_TXRING, mask);
rt2x00_set_field32(&reg, CSR8_TXDONE_ATIMRING, mask);
@@ -1037,7 +1040,7 @@ static int rt2400pci_set_state(struct rt2x00_dev *rt2x00dev,
put_to_sleep = (state != STATE_AWAKE);
- rt2x00mmio_register_read(rt2x00dev, PWRCSR1, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, PWRCSR1);
rt2x00_set_field32(&reg, PWRCSR1_SET_STATE, 1);
rt2x00_set_field32(&reg, PWRCSR1_BBP_DESIRE_STATE, state);
rt2x00_set_field32(&reg, PWRCSR1_RF_DESIRE_STATE, state);
@@ -1050,7 +1053,7 @@ static int rt2400pci_set_state(struct rt2x00_dev *rt2x00dev,
* device has entered the correct state.
*/
for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
- rt2x00mmio_register_read(rt2x00dev, PWRCSR1, &reg2);
+ reg2 = rt2x00mmio_register_read(rt2x00dev, PWRCSR1);
bbp_state = rt2x00_get_field32(reg2, PWRCSR1_BBP_CURR_STATE);
rf_state = rt2x00_get_field32(reg2, PWRCSR1_RF_CURR_STATE);
if (bbp_state == state && rf_state == state)
@@ -1110,16 +1113,16 @@ static void rt2400pci_write_tx_desc(struct queue_entry *entry,
/*
* Start writing the descriptor words.
*/
- rt2x00_desc_read(txd, 1, &word);
+ word = rt2x00_desc_read(txd, 1);
rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma);
rt2x00_desc_write(txd, 1, word);
- rt2x00_desc_read(txd, 2, &word);
+ word = rt2x00_desc_read(txd, 2);
rt2x00_set_field32(&word, TXD_W2_BUFFER_LENGTH, txdesc->length);
rt2x00_set_field32(&word, TXD_W2_DATABYTE_COUNT, txdesc->length);
rt2x00_desc_write(txd, 2, word);
- rt2x00_desc_read(txd, 3, &word);
+ word = rt2x00_desc_read(txd, 3);
rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL, txdesc->u.plcp.signal);
rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL_REGNUM, 5);
rt2x00_set_field32(&word, TXD_W3_PLCP_SIGNAL_BUSY, 1);
@@ -1128,7 +1131,7 @@ static void rt2400pci_write_tx_desc(struct queue_entry *entry,
rt2x00_set_field32(&word, TXD_W3_PLCP_SERVICE_BUSY, 1);
rt2x00_desc_write(txd, 3, word);
- rt2x00_desc_read(txd, 4, &word);
+ word = rt2x00_desc_read(txd, 4);
rt2x00_set_field32(&word, TXD_W4_PLCP_LENGTH_LOW,
txdesc->u.plcp.length_low);
rt2x00_set_field32(&word, TXD_W3_PLCP_LENGTH_LOW_REGNUM, 8);
@@ -1144,7 +1147,7 @@ static void rt2400pci_write_tx_desc(struct queue_entry *entry,
* the device, whereby the device may take hold of the TXD before we
* finished updating it.
*/
- rt2x00_desc_read(txd, 0, &word);
+ word = rt2x00_desc_read(txd, 0);
rt2x00_set_field32(&word, TXD_W0_OWNER_NIC, 1);
rt2x00_set_field32(&word, TXD_W0_VALID, 1);
rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
@@ -1180,7 +1183,7 @@ static void rt2400pci_write_beacon(struct queue_entry *entry,
* Disable beaconing while we are reloading the beacon data,
* otherwise we might be sending out invalid data.
*/
- rt2x00mmio_register_read(rt2x00dev, CSR14, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR14);
rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
rt2x00mmio_register_write(rt2x00dev, CSR14, reg);
@@ -1225,10 +1228,10 @@ static void rt2400pci_fill_rxdone(struct queue_entry *entry,
u32 rx_low;
u32 rx_high;
- rt2x00_desc_read(entry_priv->desc, 0, &word0);
- rt2x00_desc_read(entry_priv->desc, 2, &word2);
- rt2x00_desc_read(entry_priv->desc, 3, &word3);
- rt2x00_desc_read(entry_priv->desc, 4, &word4);
+ word0 = rt2x00_desc_read(entry_priv->desc, 0);
+ word2 = rt2x00_desc_read(entry_priv->desc, 2);
+ word3 = rt2x00_desc_read(entry_priv->desc, 3);
+ word4 = rt2x00_desc_read(entry_priv->desc, 4);
if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
@@ -1282,7 +1285,7 @@ static void rt2400pci_txdone(struct rt2x00_dev *rt2x00dev,
while (!rt2x00queue_empty(queue)) {
entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
entry_priv = entry->priv_data;
- rt2x00_desc_read(entry_priv->desc, 0, &word);
+ word = rt2x00_desc_read(entry_priv->desc, 0);
if (rt2x00_get_field32(word, TXD_W0_OWNER_NIC) ||
!rt2x00_get_field32(word, TXD_W0_VALID))
@@ -1320,7 +1323,7 @@ static inline void rt2400pci_enable_interrupt(struct rt2x00_dev *rt2x00dev,
*/
spin_lock_irq(&rt2x00dev->irqmask_lock);
- rt2x00mmio_register_read(rt2x00dev, CSR8, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR8);
rt2x00_set_field32(&reg, irq_field, 0);
rt2x00mmio_register_write(rt2x00dev, CSR8, reg);
@@ -1345,7 +1348,7 @@ static void rt2400pci_txstatus_tasklet(unsigned long data)
if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) {
spin_lock_irq(&rt2x00dev->irqmask_lock);
- rt2x00mmio_register_read(rt2x00dev, CSR8, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR8);
rt2x00_set_field32(&reg, CSR8_TXDONE_TXRING, 0);
rt2x00_set_field32(&reg, CSR8_TXDONE_ATIMRING, 0);
rt2x00_set_field32(&reg, CSR8_TXDONE_PRIORING, 0);
@@ -1381,7 +1384,7 @@ static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance)
* Get the interrupt sources & saved to local variable.
* Write register value back to clear pending interrupts.
*/
- rt2x00mmio_register_read(rt2x00dev, CSR7, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR7);
rt2x00mmio_register_write(rt2x00dev, CSR7, reg);
if (!reg)
@@ -1419,7 +1422,7 @@ static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance)
*/
spin_lock(&rt2x00dev->irqmask_lock);
- rt2x00mmio_register_read(rt2x00dev, CSR8, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR8);
reg |= mask;
rt2x00mmio_register_write(rt2x00dev, CSR8, reg);
@@ -1440,7 +1443,7 @@ static int rt2400pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
u16 word;
u8 *mac;
- rt2x00mmio_register_read(rt2x00dev, CSR21, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR21);
eeprom.data = rt2x00dev;
eeprom.register_read = rt2400pci_eepromregister_read;
@@ -1461,7 +1464,7 @@ static int rt2400pci_validate_eeprom(struct rt2x00_dev *rt2x00dev)
mac = rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0);
rt2x00lib_set_mac_address(rt2x00dev, mac);
- rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
+ word = rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA);
if (word == 0xffff) {
rt2x00_err(rt2x00dev, "Invalid EEPROM data detected\n");
return -EINVAL;
@@ -1479,13 +1482,13 @@ static int rt2400pci_init_eeprom(struct rt2x00_dev *rt2x00dev)
/*
* Read EEPROM word for configuration.
*/
- rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+ eeprom = rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA);
/*
* Identify RF chipset.
*/
value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
- rt2x00mmio_register_read(rt2x00dev, CSR0, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR0);
rt2x00_set_chip(rt2x00dev, RT2460, value,
rt2x00_get_field32(reg, CSR0_REVISION));
@@ -1630,7 +1633,7 @@ static int rt2400pci_probe_hw(struct rt2x00_dev *rt2x00dev)
* Enable rfkill polling by setting GPIO direction of the
* rfkill switch GPIO pin correctly.
*/
- rt2x00mmio_register_read(rt2x00dev, GPIOCSR, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, GPIOCSR);
rt2x00_set_field32(&reg, GPIOCSR_DIR0, 1);
rt2x00mmio_register_write(rt2x00dev, GPIOCSR, reg);
@@ -1692,9 +1695,9 @@ static u64 rt2400pci_get_tsf(struct ieee80211_hw *hw,
u64 tsf;
u32 reg;
- rt2x00mmio_register_read(rt2x00dev, CSR17, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR17);
tsf = (u64) rt2x00_get_field32(reg, CSR17_HIGH_TSFTIMER) << 32;
- rt2x00mmio_register_read(rt2x00dev, CSR16, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR16);
tsf |= rt2x00_get_field32(reg, CSR16_LOW_TSFTIMER);
return tsf;
@@ -1705,7 +1708,7 @@ static int rt2400pci_tx_last_beacon(struct ieee80211_hw *hw)
struct rt2x00_dev *rt2x00dev = hw->priv;
u32 reg;
- rt2x00mmio_register_read(rt2x00dev, CSR15, &reg);
+ reg = rt2x00mmio_register_read(rt2x00dev, CSR15);
return rt2x00_get_field32(reg, CSR15_BEACON_SENT);
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.