svn commit: r188866 - head/sys/dev/ath/ath_hal/ar5212
Sam Leffler
sam at FreeBSD.org
Fri Feb 20 14:06:59 PST 2009
Author: sam
Date: Fri Feb 20 22:06:58 2009
New Revision: 188866
URL: http://svn.freebsd.org/changeset/base/188866
Log:
correct SIFS setting; there is a 2usec adjustment between the calculated
value and what the hardware requires (based on inspection of INI values)
Submitted by: Jiri Fojtasek <jiri.fojtasek at hlohovec.net>
Modified:
head/sys/dev/ath/ath_hal/ar5212/ar5212_misc.c
Modified: head/sys/dev/ath/ath_hal/ar5212/ar5212_misc.c
==============================================================================
--- head/sys/dev/ath/ath_hal/ar5212/ar5212_misc.c Fri Feb 20 22:05:08 2009 (r188865)
+++ head/sys/dev/ath/ath_hal/ar5212/ar5212_misc.c Fri Feb 20 22:06:58 2009 (r188866)
@@ -450,7 +450,7 @@ ar5212SetSifsTime(struct ath_hal *ah, u_
return AH_FALSE;
} else {
/* convert to system clocks */
- OS_REG_WRITE(ah, AR_D_GBL_IFS_SIFS, ath_hal_mac_clks(ah, us));
+ OS_REG_WRITE(ah, AR_D_GBL_IFS_SIFS, ath_hal_mac_clks(ah, us-2));
ahp->ah_slottime = us;
return AH_TRUE;
}
@@ -460,7 +460,7 @@ u_int
ar5212GetSifsTime(struct ath_hal *ah)
{
u_int clks = OS_REG_READ(ah, AR_D_GBL_IFS_SIFS) & 0xffff;
- return ath_hal_mac_usec(ah, clks); /* convert from system clocks */
+ return ath_hal_mac_usec(ah, clks)+2; /* convert from system clocks */
}
HAL_BOOL
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