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path: root/drivers/net/wireless/ralink/rt2x00/rt2500usb.c
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Diffstat (limited to 'drivers/net/wireless/ralink/rt2x00/rt2500usb.c')
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2500usb.c173
1 files changed, 85 insertions, 88 deletions
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c
index 0d2670a56c4c..529e05999abb 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2500usb.c
@@ -55,26 +55,24 @@ MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
* If the csr_mutex is already held then the _lock variants must
* be used instead.
*/
-static void rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
- const unsigned int offset,
- u16 *value)
+static u16 rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
+ const unsigned int offset)
{
__le16 reg;
rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
USB_VENDOR_REQUEST_IN, offset,
&reg, sizeof(reg));
- *value = le16_to_cpu(reg);
+ return le16_to_cpu(reg);
}
-static void rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev,
- const unsigned int offset,
- u16 *value)
+static u16 rt2500usb_register_read_lock(struct rt2x00_dev *rt2x00dev,
+ const unsigned int offset)
{
__le16 reg;
rt2x00usb_vendor_req_buff_lock(rt2x00dev, USB_MULTI_READ,
USB_VENDOR_REQUEST_IN, offset,
&reg, sizeof(reg), REGISTER_TIMEOUT);
- *value = le16_to_cpu(reg);
+ return le16_to_cpu(reg);
}
static void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
@@ -114,7 +112,7 @@ static int rt2500usb_regbusy_read(struct rt2x00_dev *rt2x00dev,
unsigned int i;
for (i = 0; i < REGISTER_USB_BUSY_COUNT; i++) {
- rt2500usb_register_read_lock(rt2x00dev, offset, reg);
+ *reg = rt2500usb_register_read_lock(rt2x00dev, offset);
if (!rt2x00_get_field16(*reg, field))
return 1;
udelay(REGISTER_BUSY_DELAY);
@@ -155,10 +153,11 @@ static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
mutex_unlock(&rt2x00dev->csr_mutex);
}
-static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
- const unsigned int word, u8 *value)
+static u8 rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
+ const unsigned int word)
{
u16 reg;
+ u8 value;
mutex_lock(&rt2x00dev->csr_mutex);
@@ -178,12 +177,14 @@ static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
if (WAIT_FOR_BBP(rt2x00dev, &reg))
- rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, &reg);
+ reg = rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7);
}
- *value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
+ value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
mutex_unlock(&rt2x00dev->csr_mutex);
+
+ return value;
}
static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev,
@@ -216,14 +217,10 @@ static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev,
}
#ifdef CONFIG_RT2X00_LIB_DEBUGFS
-static void _rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
- const unsigned int offset,
- u32 *value)
+static u32 _rt2500usb_register_read(struct rt2x00_dev *rt2x00dev,
+ const unsigned int offset)
{
- u16 tmp;
-
- rt2500usb_register_read(rt2x00dev, offset, &tmp);
- *value = tmp;
+ return rt2500usb_register_read(rt2x00dev, offset);
}
static void _rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
@@ -271,7 +268,7 @@ static int rt2500usb_rfkill_poll(struct rt2x00_dev *rt2x00dev)
{
u16 reg;
- rt2500usb_register_read(rt2x00dev, MAC_CSR19, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, MAC_CSR19);
return rt2x00_get_field16(reg, MAC_CSR19_VAL7);
}
@@ -284,7 +281,7 @@ static void rt2500usb_brightness_set(struct led_classdev *led_cdev,
unsigned int enabled = brightness != LED_OFF;
u16 reg;
- rt2500usb_register_read(led->rt2x00dev, MAC_CSR20, &reg);
+ reg = rt2500usb_register_read(led->rt2x00dev, MAC_CSR20);
if (led->type == LED_TYPE_RADIO || led->type == LED_TYPE_ASSOC)
rt2x00_set_field16(&reg, MAC_CSR20_LINK, enabled);
@@ -302,7 +299,7 @@ static int rt2500usb_blink_set(struct led_classdev *led_cdev,
container_of(led_cdev, struct rt2x00_led, led_dev);
u16 reg;
- rt2500usb_register_read(led->rt2x00dev, MAC_CSR21, &reg);
+ reg = rt2500usb_register_read(led->rt2x00dev, MAC_CSR21);
rt2x00_set_field16(&reg, MAC_CSR21_ON_PERIOD, *delay_on);
rt2x00_set_field16(&reg, MAC_CSR21_OFF_PERIOD, *delay_off);
rt2500usb_register_write(led->rt2x00dev, MAC_CSR21, reg);
@@ -356,7 +353,7 @@ static int rt2500usb_config_key(struct rt2x00_dev *rt2x00dev,
*/
mask = TXRX_CSR0_KEY_ID.bit_mask;
- rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR0);
curr_cipher = rt2x00_get_field16(reg, TXRX_CSR0_ALGORITHM);
reg &= mask;
@@ -395,7 +392,7 @@ static int rt2500usb_config_key(struct rt2x00_dev *rt2x00dev,
* TXRX_CSR0_KEY_ID contains only single-bit fields to indicate
* a particular key is valid.
*/
- rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR0);
rt2x00_set_field16(&reg, TXRX_CSR0_ALGORITHM, crypto->cipher);
rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
@@ -421,7 +418,7 @@ static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev,
* and broadcast frames will always be accepted since
* there is no filter for it at this time.
*/
- rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR2);
rt2x00_set_field16(&reg, TXRX_CSR2_DROP_CRC,
!(filter_flags & FIF_FCSFAIL));
rt2x00_set_field16(&reg, TXRX_CSR2_DROP_PHYSICAL,
@@ -453,7 +450,7 @@ static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
* Enable beacon config
*/
bcn_preload = PREAMBLE + GET_DURATION(IEEE80211_HEADER, 20);
- rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR20);
rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET, bcn_preload >> 6);
rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW,
2 * (conf->type != NL80211_IFTYPE_STATION));
@@ -462,11 +459,11 @@ static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
/*
* Enable synchronisation.
*/
- rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR18);
rt2x00_set_field16(&reg, TXRX_CSR18_OFFSET, 0);
rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
- rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR19);
rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, conf->sync);
rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
}
@@ -487,7 +484,7 @@ static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev,
u16 reg;
if (changed & BSS_CHANGED_ERP_PREAMBLE) {
- rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR10);
rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
!!erp->short_preamble);
rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
@@ -498,7 +495,7 @@ static void rt2500usb_config_erp(struct rt2x00_dev *rt2x00dev,
erp->basic_rates);
if (changed & BSS_CHANGED_BEACON_INT) {
- rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR18);
rt2x00_set_field16(&reg, TXRX_CSR18_INTERVAL,
erp->beacon_int * 4);
rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
@@ -526,10 +523,10 @@ static void rt2500usb_config_ant(struct rt2x00_dev *rt2x00dev,
BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
ant->tx == ANTENNA_SW_DIVERSITY);
- rt2500usb_bbp_read(rt2x00dev, 2, &r2);
- rt2500usb_bbp_read(rt2x00dev, 14, &r14);
- rt2500usb_register_read(rt2x00dev, PHY_CSR5, &csr5);
- rt2500usb_register_read(rt2x00dev, PHY_CSR6, &csr6);
+ r2 = rt2500usb_bbp_read(rt2x00dev, 2);
+ r14 = rt2500usb_bbp_read(rt2x00dev, 14);
+ csr5 = rt2500usb_register_read(rt2x00dev, PHY_CSR5);
+ csr6 = rt2500usb_register_read(rt2x00dev, PHY_CSR6);
/*
* Configure the TX antenna.
@@ -629,7 +626,7 @@ static void rt2500usb_config_txpower(struct rt2x00_dev *rt2x00dev,
{
u32 rf3;
- rt2x00_rf_read(rt2x00dev, 3, &rf3);
+ rf3 = rt2x00_rf_read(rt2x00dev, 3);
rt2x00_set_field32(&rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
rt2500usb_rf_write(rt2x00dev, 3, rf3);
}
@@ -643,7 +640,7 @@ static void rt2500usb_config_ps(struct rt2x00_dev *rt2x00dev,
u16 reg;
if (state == STATE_SLEEP) {
- rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, MAC_CSR18);
rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON,
rt2x00dev->beacon_int - 20);
rt2x00_set_field16(&reg, MAC_CSR18_BEACONS_BEFORE_WAKEUP,
@@ -656,7 +653,7 @@ static void rt2500usb_config_ps(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field16(&reg, MAC_CSR18_AUTO_WAKE, 1);
rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
} else {
- rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, MAC_CSR18);
rt2x00_set_field16(&reg, MAC_CSR18_AUTO_WAKE, 0);
rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
}
@@ -690,13 +687,13 @@ static void rt2500usb_link_stats(struct rt2x00_dev *rt2x00dev,
/*
* Update FCS error count from register.
*/
- rt2500usb_register_read(rt2x00dev, STA_CSR0, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, STA_CSR0);
qual->rx_failed = rt2x00_get_field16(reg, STA_CSR0_FCS_ERROR);
/*
* Update False CCA count from register.
*/
- rt2500usb_register_read(rt2x00dev, STA_CSR3, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, STA_CSR3);
qual->false_cca = rt2x00_get_field16(reg, STA_CSR3_FALSE_CCA_ERROR);
}
@@ -706,19 +703,19 @@ static void rt2500usb_reset_tuner(struct rt2x00_dev *rt2x00dev,
u16 eeprom;
u16 value;
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &eeprom);
+ eeprom = rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24);
value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R24_LOW);
rt2500usb_bbp_write(rt2x00dev, 24, value);
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &eeprom);
+ eeprom = rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25);
value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R25_LOW);
rt2500usb_bbp_write(rt2x00dev, 25, value);
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &eeprom);
+ eeprom = rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61);
value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_R61_LOW);
rt2500usb_bbp_write(rt2x00dev, 61, value);
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &eeprom);
+ eeprom = rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC);
value = rt2x00_get_field16(eeprom, EEPROM_BBPTUNE_VGCUPPER);
rt2500usb_bbp_write(rt2x00dev, 17, value);
@@ -735,12 +732,12 @@ static void rt2500usb_start_queue(struct data_queue *queue)
switch (queue->qid) {
case QID_RX:
- rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR2);
rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX, 0);
rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
break;
case QID_BEACON:
- rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR19);
rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 1);
rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 1);
@@ -758,12 +755,12 @@ static void rt2500usb_stop_queue(struct data_queue *queue)
switch (queue->qid) {
case QID_RX:
- rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR2);
rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX, 1);
rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
break;
case QID_BEACON:
- rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR19);
rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
@@ -786,54 +783,54 @@ static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
rt2x00usb_vendor_request_sw(rt2x00dev, USB_SINGLE_WRITE, 0x0308,
0x00f0, REGISTER_TIMEOUT);
- rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR2);
rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX, 1);
rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
rt2500usb_register_write(rt2x00dev, MAC_CSR13, 0x1111);
rt2500usb_register_write(rt2x00dev, MAC_CSR14, 0x1e11);
- rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, MAC_CSR1);
rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 1);
rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 1);
rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
- rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, MAC_CSR1);
rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 0);
rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
- rt2500usb_register_read(rt2x00dev, TXRX_CSR5, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR5);
rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0, 13);
rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID0_VALID, 1);
rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1, 12);
rt2x00_set_field16(&reg, TXRX_CSR5_BBP_ID1_VALID, 1);
rt2500usb_register_write(rt2x00dev, TXRX_CSR5, reg);
- rt2500usb_register_read(rt2x00dev, TXRX_CSR6, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR6);
rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0, 10);
rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID0_VALID, 1);
rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1, 11);
rt2x00_set_field16(&reg, TXRX_CSR6_BBP_ID1_VALID, 1);
rt2500usb_register_write(rt2x00dev, TXRX_CSR6, reg);
- rt2500usb_register_read(rt2x00dev, TXRX_CSR7, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR7);
rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0, 7);
rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID0_VALID, 1);
rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1, 6);
rt2x00_set_field16(&reg, TXRX_CSR7_BBP_ID1_VALID, 1);
rt2500usb_register_write(rt2x00dev, TXRX_CSR7, reg);
- rt2500usb_register_read(rt2x00dev, TXRX_CSR8, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR8);
rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0, 5);
rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID0_VALID, 1);
rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1, 0);
rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1_VALID, 0);
rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
- rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR19);
rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, 0);
rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
@@ -846,14 +843,14 @@ static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
if (rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_AWAKE))
return -EBUSY;
- rt2500usb_register_read(rt2x00dev, MAC_CSR1, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, MAC_CSR1);
rt2x00_set_field16(&reg, MAC_CSR1_SOFT_RESET, 0);
rt2x00_set_field16(&reg, MAC_CSR1_BBP_RESET, 0);
rt2x00_set_field16(&reg, MAC_CSR1_HOST_READY, 1);
rt2500usb_register_write(rt2x00dev, MAC_CSR1, reg);
if (rt2x00_rev(rt2x00dev) >= RT2570_VERSION_C) {
- rt2500usb_register_read(rt2x00dev, PHY_CSR2, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, PHY_CSR2);
rt2x00_set_field16(&reg, PHY_CSR2_LNA, 0);
} else {
reg = 0;
@@ -867,26 +864,26 @@ static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
rt2500usb_register_write(rt2x00dev, MAC_CSR15, 0x01ee);
rt2500usb_register_write(rt2x00dev, MAC_CSR16, 0x0000);
- rt2500usb_register_read(rt2x00dev, MAC_CSR8, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, MAC_CSR8);
rt2x00_set_field16(&reg, MAC_CSR8_MAX_FRAME_UNIT,
rt2x00dev->rx->data_size);
rt2500usb_register_write(rt2x00dev, MAC_CSR8, reg);
- rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR0);
rt2x00_set_field16(&reg, TXRX_CSR0_ALGORITHM, CIPHER_NONE);
rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0);
rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
- rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, MAC_CSR18);
rt2x00_set_field16(&reg, MAC_CSR18_DELAY_AFTER_BEACON, 90);
rt2500usb_register_write(rt2x00dev, MAC_CSR18, reg);
- rt2500usb_register_read(rt2x00dev, PHY_CSR4, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, PHY_CSR4);
rt2x00_set_field16(&reg, PHY_CSR4_LOW_RF_LE, 1);
rt2500usb_register_write(rt2x00dev, PHY_CSR4, reg);
- rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR1);
rt2x00_set_field16(&reg, TXRX_CSR1_AUTO_SEQUENCE, 1);
rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
@@ -899,7 +896,7 @@ static int rt2500usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
u8 value;
for (i = 0; i < REGISTER_USB_BUSY_COUNT; i++) {
- rt2500usb_bbp_read(rt2x00dev, 0, &value);
+ value = rt2500usb_bbp_read(rt2x00dev, 0);
if ((value != 0xff) && (value != 0x00))
return 0;
udelay(REGISTER_BUSY_DELAY);
@@ -952,7 +949,7 @@ static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev)
rt2500usb_bbp_write(rt2x00dev, 75, 0xff);
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);
@@ -1018,7 +1015,7 @@ static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev,
* device has entered the correct state.
*/
for (i = 0; i < REGISTER_USB_BUSY_COUNT; i++) {
- rt2500usb_register_read(rt2x00dev, MAC_CSR17, &reg2);
+ reg2 = rt2500usb_register_read(rt2x00dev, MAC_CSR17);
bbp_state = rt2x00_get_field16(reg2, MAC_CSR17_BBP_CURR_STATE);
rf_state = rt2x00_get_field16(reg2, MAC_CSR17_RF_CURR_STATE);
if (bbp_state == state && rf_state == state)
@@ -1077,7 +1074,7 @@ static void rt2500usb_write_tx_desc(struct queue_entry *entry,
/*
* Start writing the descriptor words.
*/
- rt2x00_desc_read(txd, 0, &word);
+ word = rt2x00_desc_read(txd, 0);
rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, txdesc->retry_limit);
rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
@@ -1095,14 +1092,14 @@ static void rt2500usb_write_tx_desc(struct queue_entry *entry,
rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx);
rt2x00_desc_write(txd, 0, word);
- rt2x00_desc_read(txd, 1, &word);
+ word = rt2x00_desc_read(txd, 1);
rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset);
rt2x00_set_field32(&word, TXD_W1_AIFS, entry->queue->aifs);
rt2x00_set_field32(&word, TXD_W1_CWMIN, entry->queue->cw_min);
rt2x00_set_field32(&word, TXD_W1_CWMAX, entry->queue->cw_max);
rt2x00_desc_write(txd, 1, word);
- rt2x00_desc_read(txd, 2, &word);
+ word = rt2x00_desc_read(txd, 2);
rt2x00_set_field32(&word, TXD_W2_PLCP_SIGNAL, txdesc->u.plcp.signal);
rt2x00_set_field32(&word, TXD_W2_PLCP_SERVICE, txdesc->u.plcp.service);
rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_LOW,
@@ -1143,7 +1140,7 @@ static void rt2500usb_write_beacon(struct queue_entry *entry,
* Disable beaconing while we are reloading the beacon data,
* otherwise we might be sending out invalid data.
*/
- rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, TXRX_CSR19);
rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
@@ -1250,8 +1247,8 @@ static void rt2500usb_fill_rxdone(struct queue_entry *entry,
/*
* It is now safe to read the descriptor on all architectures.
*/
- rt2x00_desc_read(rxd, 0, &word0);
- rt2x00_desc_read(rxd, 1, &word1);
+ word0 = rt2x00_desc_read(rxd, 0);
+ word1 = rt2x00_desc_read(rxd, 1);
if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
@@ -1263,8 +1260,8 @@ static void rt2500usb_fill_rxdone(struct queue_entry *entry,
rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY;
if (rxdesc->cipher != CIPHER_NONE) {
- _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]);
- _rt2x00_desc_read(rxd, 3, &rxdesc->iv[1]);
+ rxdesc->iv[0] = _rt2x00_desc_read(rxd, 2);
+ rxdesc->iv[1] = _rt2x00_desc_read(rxd, 3);
rxdesc->dev_flags |= RXDONE_CRYPTO_IV;
/* ICV is located at the end of frame */
@@ -1342,7 +1339,7 @@ static int rt2500usb_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_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
@@ -1358,7 +1355,7 @@ static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
rt2x00_eeprom_dbg(rt2x00dev, "Antenna: 0x%04x\n", word);
}
- rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
+ word = rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC);
if (word == 0xffff) {
rt2x00_set_field16(&word, EEPROM_NIC_CARDBUS_ACCEL, 0);
rt2x00_set_field16(&word, EEPROM_NIC_DYN_BBP_TUNE, 0);
@@ -1367,7 +1364,7 @@ static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
rt2x00_eeprom_dbg(rt2x00dev, "NIC: 0x%04x\n", word);
}
- rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &word);
+ word = rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET);
if (word == 0xffff) {
rt2x00_set_field16(&word, EEPROM_CALIBRATE_OFFSET_RSSI,
DEFAULT_RSSI_OFFSET);
@@ -1376,7 +1373,7 @@ static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
word);
}
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE, &word);
+ word = rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE);
if (word == 0xffff) {
rt2x00_set_field16(&word, EEPROM_BBPTUNE_THRESHOLD, 45);
rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE, word);
@@ -1387,10 +1384,10 @@ static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
* Switch lower vgc bound to current BBP R17 value,
* lower the value a bit for better quality.
*/
- rt2500usb_bbp_read(rt2x00dev, 17, &bbp);
+ bbp = rt2500usb_bbp_read(rt2x00dev, 17);
bbp -= 6;
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word);
+ word = rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC);
if (word == 0xffff) {
rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40);
rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
@@ -1401,7 +1398,7 @@ static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
}
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &word);
+ word = rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17);
if (word == 0xffff) {
rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_LOW, 0x48);
rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
@@ -1409,7 +1406,7 @@ static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
rt2x00_eeprom_dbg(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
}
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
+ word = rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24);
if (word == 0xffff) {
rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_LOW, 0x40);
rt2x00_set_field16(&word, EEPROM_BBPTUNE_R24_HIGH, 0x80);
@@ -1417,7 +1414,7 @@ static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
rt2x00_eeprom_dbg(rt2x00dev, "BBPtune r24: 0x%04x\n", word);
}
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25, &word);
+ word = rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R25);
if (word == 0xffff) {
rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_LOW, 0x40);
rt2x00_set_field16(&word, EEPROM_BBPTUNE_R25_HIGH, 0x50);
@@ -1425,7 +1422,7 @@ static int rt2500usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
rt2x00_eeprom_dbg(rt2x00dev, "BBPtune r25: 0x%04x\n", word);
}
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61, &word);
+ word = rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R61);
if (word == 0xffff) {
rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_LOW, 0x60);
rt2x00_set_field16(&word, EEPROM_BBPTUNE_R61_HIGH, 0x6d);
@@ -1445,13 +1442,13 @@ static int rt2500usb_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);
- rt2500usb_register_read(rt2x00dev, MAC_CSR0, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, MAC_CSR0);
rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
if (((reg & 0xfff0) != 0) || ((reg & 0x0000000f) == 0)) {
@@ -1511,7 +1508,7 @@ static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
/*
* Read the RSSI <-> dBm offset information.
*/
- rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET, &eeprom);
+ eeprom = rt2x00_eeprom_read(rt2x00dev, EEPROM_CALIBRATE_OFFSET);
rt2x00dev->rssi_offset =
rt2x00_get_field16(eeprom, EEPROM_CALIBRATE_OFFSET_RSSI);
@@ -1776,7 +1773,7 @@ static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
* Enable rfkill polling by setting GPIO direction of the
* rfkill switch GPIO pin correctly.
*/
- rt2500usb_register_read(rt2x00dev, MAC_CSR19, &reg);
+ reg = rt2500usb_register_read(rt2x00dev, MAC_CSR19);
rt2x00_set_field16(&reg, MAC_CSR19_DIR0, 0);
rt2500usb_register_write(rt2x00dev, MAC_CSR19, reg);
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 11:10:55 +0000