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rt2x00: Clean up RFCSR1 programming in rt2800_config_channel_rf3xxx. 

Setting of the individual fields of the RF register can be simplified.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Gertjan van Wingerde 2012-09-16 22:29:53 +02:00 committed by John W. Linville
parent 5b196139e5
commit 7ad6303522
1 changed files with 8 additions and 29 deletions
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37
drivers/net/wireless/rt2x00/rt2800lib.c
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@ -1763,36 +1763,15 @@ static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 0);
rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
rt2x00dev->default_ant.rx_chain_num <= 1);
rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD,
rt2x00dev->default_ant.rx_chain_num <= 2);
rt2x00_set_field8(&rfcsr, RFCSR1_TX0_PD, 0);
if (rt2x00_rt(rt2x00dev, RT3390)) {
rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD,
rt2x00dev->default_ant.rx_chain_num == 1);
rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
rt2x00dev->default_ant.tx_chain_num == 1);
} else {
rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 0);
rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 0);
rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 0);
rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 0);
switch (rt2x00dev->default_ant.tx_chain_num) {
case 1:
rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1);
/* fall through */
case 2:
rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD, 1);
break;
}
switch (rt2x00dev->default_ant.rx_chain_num) {
case 1:
rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1);
/* fall through */
case 2:
rt2x00_set_field8(&rfcsr, RFCSR1_RX2_PD, 1);
break;
}
}
rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD,
rt2x00dev->default_ant.tx_chain_num <= 1);
rt2x00_set_field8(&rfcsr, RFCSR1_TX2_PD,
rt2x00dev->default_ant.tx_chain_num <= 2);
rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);