ath9k_hw: Add hw cap flag for EDMA for the AR9003 family

AR9003 supports extended DMA (EDMA), this comes with some bells and whistles on top of the legacy DMA that we are used to. Mark AR9003 and later chips EDMA capable. Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
git-mirror · Apr 16, 2010 · 1adf02f · 1adf02f
1 parent 3448f91
commit 1adf02f
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diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2873,6 +2873,9 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
 		btcoex_hw->scheme = ATH_BTCOEX_CFG_NONE;
 	}
 
+	if (AR_SREV_9300_20_OR_LATER(ah))
+		pCap->hw_caps |= ATH9K_HW_CAP_EDMA;
+
 	return 0;
 }
 

diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
@@ -165,6 +165,7 @@ enum ath9k_hw_caps {
 	ATH9K_HW_CAP_ENHANCEDPM                 = BIT(14),
 	ATH9K_HW_CAP_AUTOSLEEP                  = BIT(15),
 	ATH9K_HW_CAP_4KB_SPLITTRANS             = BIT(16),
+	ATH9K_HW_CAP_EDMA			= BIT(17),
 };
 
 enum ath9k_capability_type {