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rt2800: replace msleep() with usleep_range() on channel switch

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msleep(1) can sleep much more time then requested 1ms, this is not good
on channel switch, which we want to be performed fast (i.e. to make scan
faster). Replace msleep() with usleep_range(), which has much smaller
maximum sleeping time boundary.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Stanislaw Gruszka 2016-12-19 11:52:56 +01:00 committed by Kalle Valo
parent eb79a8fe94
commit 31369c323b
1 changed files with 4 additions and 2 deletions
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6
drivers/net/wireless/ralink/rt2x00/rt2800lib.c
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@ -2110,7 +2110,9 @@ static void rt2800_config_channel_rf3xxx(struct rt2x00_dev *rt2x00dev,
rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1);
rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
msleep(1);
usleep_range(1000, 1500);
rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 0);
rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
}
@ -3442,7 +3444,7 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev,
}
}
msleep(1);
usleep_range(1000, 1500);
/*
* Clear channel statistic counters