Author: adrian
Date: Sun Mar 20 08:47:59 2011
New Revision: 219793
URL: http://svn.freebsd.org/changeset/base/219793
Log:
* Remove a not-needed check in the AR5416+ case
* Restore the chip default of the DCU backoff threshold to 0x2,
mirroring what ath9k does.
Modified:
head/sys/dev/ath/ath_hal/ar5416/ar5416_xmit.c
Modified: head/sys/dev/ath/ath_hal/ar5416/ar5416_xmit.c
==============================================================================
--- head/sys/dev/ath/ath_hal/ar5416/ar5416_xmit.c Sun Mar 20 08:42:56
2011 (r219792)
+++ head/sys/dev/ath/ath_hal/ar5416/ar5416_xmit.c Sun Mar 20 08:47:59
2011 (r219793)
@@ -919,12 +919,12 @@ ar5416ResetTxQueue(struct ath_hal *ah, u
/* NB: always enable DCU to wait for next fragment from QCU */
dmisc = AR_D_MISC_FRAG_WAIT_EN;
-#ifdef AH_SUPPORT_5311
- if (AH_PRIVATE(ah)->ah_macVersion < AR_SREV_VERSION_OAHU) {
- /* Configure DCU to use the global sequence count */
- dmisc |= AR5311_D_MISC_SEQ_NUM_CONTROL;
- }
-#endif
+ /*
+ * The chip reset default is to use a DCU backoff threshold of 0x2.
+ * Restore this when programming the DCU MISC register.
+ */
+ dmisc |= 0x2;
+
/* multiqueue support */
if (qi->tqi_cbrPeriod) {
OS_REG_WRITE(ah, AR_QCBRCFG(q),
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