diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800lib.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index de272777447..3407ac911fd 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -2497,13 +2497,18 @@ static void rt2800_config_channel_rf3053(struct rt2x00_dev *rt2x00dev, static void rt2800_adjust_freq_offset(struct rt2x00_dev *rt2x00dev) { u8 freq_offset; - u8 rfcsr; + u8 rfcsr, prev_rfcsr; freq_offset = rt2x00_get_field8(rt2x00dev->freq_offset, RFCSR17_CODE); freq_offset = min_t(u8, freq_offset, FREQ_OFFSET_BOUND); rt2800_rfcsr_read(rt2x00dev, 17, &rfcsr); + prev_rfcsr = rfcsr; + rt2x00_set_field8(&rfcsr, RFCSR17_CODE, freq_offset); + if (rfcsr == prev_rfcsr) + return; + rt2800_rfcsr_write(rt2x00dev, 17, rfcsr); } |