Author: adrian
Date: Tue Mar 19 17:54:37 2013
New Revision: 248527
URL: http://svnweb.freebsd.org/changeset/base/248527
Log:
Now that the tx map field is correctly populated for both edma and
legacy chips, just use that.
Modified:
head/sys/dev/ath/if_ath_tx.c
Modified: head/sys/dev/ath/if_ath_tx.c
==============================================================================
--- head/sys/dev/ath/if_ath_tx.c Tue Mar 19 17:13:47 2013
(r248526)
+++ head/sys/dev/ath/if_ath_tx.c Tue Mar 19 17:54:37 2013
(r248527)
@@ -384,14 +384,11 @@ ath_tx_chaindesclist(struct ath_softc *s
*/
/*
- * For now the HAL doesn't implement halNumTxMaps for non-EDMA
- * (ie it's 0.) So just work around it.
- *
- * XXX TODO: populate halNumTxMaps for each HAL chip and
- * then undo this hack.
+ * We need the number of TX data pointers in each descriptor.
+ * EDMA and later chips support 4 TX buffers per descriptor;
+ * previous chips just support one.
*/
- if (sc->sc_ah->ah_magic == 0x19741014)
- numTxMaps = 4;
+ numTxMaps = sc->sc_tx_nmaps;
/*
* For EDMA and later chips ensure the TX map is fully populated
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