[PATCH v2] rt2x00: rt2800lib: no need to toggle RF R30 bit 7 twice

[Kevin Lo <kevlo@xxxxxxxxx>]

In rt2800_config_channel_rf3xxx(), there's no need to toggle
RF R30 bit 7 twice.

Signed-off-by: Kevin Lo <kevlo@xxxxxxxxx>
---
Changes since v1:
  - the previous patch was malformed
---

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c 
b/drivers/net/wireless/rt2x00/rt2800lib.c
index 25aaa5e..65b4416 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -2029,13 +2029,6 @@ static void rt2800_config_channel_rf3xxx(struct 
rt2x00_dev *rt2x00dev,
                          rt2x00dev->default_ant.tx_chain_num <= 2);
        rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);

-       rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
-       rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
-       rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
-       msleep(1);
-       rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
-       rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
-
        rt2800_rfcsr_read(rt2x00dev, 23, &rfcsr);
        rt2x00_set_field8(&rfcsr, RFCSR23_FREQ_OFFSET, 
rt2x00dev->freq_offset);
        rt2800_rfcsr_write(rt2x00dev, 23, rfcsr);

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