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rt2x00: Use saved BBP 25 and 26 values when configuring channel on RT3572. 

This brings the rt2800 channel switching code for RT3572 closer to the
v2.5.0.0 Ralink RT3572 driver.

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 2012-02-06 23:45:09 +01:00 committed by John W. Linville
parent bef453dc9c
commit 5d137dff36
2 changed files with 10 additions and 2 deletions
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2
drivers/net/wireless/rt2x00/rt2800.h
View File

@ -2444,6 +2444,8 @@ struct mac_iveiv_entry {
struct rt2800_drv_data {
u8 calibration_bw20;
u8 calibration_bw40;
u8 bbp25;
u8 bbp26;
};
#endif /* RT2800_H */

10
drivers/net/wireless/rt2x00/rt2800lib.c
View File

@ -1754,8 +1754,8 @@ static void rt2800_config_channel_rf3052(struct rt2x00_dev *rt2x00dev,
u32 reg;
if (rf->channel <= 14) {
rt2800_bbp_write(rt2x00dev, 25, 0x15);
rt2800_bbp_write(rt2x00dev, 26, 0x85);
rt2800_bbp_write(rt2x00dev, 25, drv_data->bbp25);
rt2800_bbp_write(rt2x00dev, 26, drv_data->bbp26);
} else {
rt2800_bbp_write(rt2x00dev, 25, 0x09);
rt2800_bbp_write(rt2x00dev, 26, 0xff);
@ -3623,6 +3623,12 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
rt2800_init_rx_filter(rt2x00dev, true, 0x27, 0x15);
}
/*
* Save BBP 25 & 26 values for later use in channel switching
*/
rt2800_bbp_read(rt2x00dev, 25, &drv_data->bbp25);
rt2800_bbp_read(rt2x00dev, 26, &drv_data->bbp26);
if (!rt2x00_rt(rt2x00dev, RT5390)) {
/*
* Set back to initial state