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Commit 8e9310c1 authored by Bob Copeland's avatar Bob Copeland Committed by John W. Linville
Browse files

mac80211: pid: replace open-coded msecs_to_jiffies 



Code directly scaling by HZ and rounding can be more efficiently
and clearly performed with msecs_to_jiffies.

Signed-off-by: default avatarBob Copeland <me@bobcopeland.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 1f447808

net/mac80211/rc80211_pid_algo.c

+2 −6
Original line number Diff line number Diff line
@@ -157,9 +157,7 @@ static void rate_control_pid_sample(struct rc_pid_info *pinfo, 


	/* In case nothing happened during the previous control interval, turn

	 * the sharpening factor on. */

	period = (HZ * pinfo->sampling_period + 500) / 1000;

	if (!period)

		period = 1;

	period = msecs_to_jiffies(pinfo->sampling_period);

	if (jiffies - spinfo->last_sample > 2 * period)

		spinfo->sharp_cnt = pinfo->sharpen_duration;
@@ -252,9 +250,7 @@ static void rate_control_pid_tx_status(void *priv, struct ieee80211_supported_ba 
	}



	/* Update PID controller state. */

	period = (HZ * pinfo->sampling_period + 500) / 1000;

	if (!period)

		period = 1;

	period = msecs_to_jiffies(pinfo->sampling_period);

	if (time_after(jiffies, spinfo->last_sample + period))

		rate_control_pid_sample(pinfo, sband, sta, spinfo);

}