commit 3a0593efd191c7eb13c79179c4c5ddbc519b2510
author Sujith Manoharan <Sujith.Manoharan@atheros.com> Wed Apr 20 14:33:28 2011 +0530
committer John W. Linville <linville@tuxdriver.com> Mon Apr 25 14:50:14 2011 -0400
tree 9b1d5e7bb44c7a467bbc2f96c8848b4c1286a149
parent 0ff2b5c05d4dd84222a8e163335c5b550e2ca195

ath9k_htc: Fix AMPDU subframe handling

* Register the driver's maximum ampdu subframe limit to mac80211.
* Cleanup the target capabilities structure and fix an endian issue.
* Fix BTCOEX by sending a command to the target when the BT priority
  changes.
* Bump the required firmware version to 1.1

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/htc_drv_init.c

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index 06e043b..dbf5f95 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -753,6 +753,12 @@
 	hw->queues = 4;
 	hw->channel_change_time = 5000;
 	hw->max_listen_interval = 10;
+
+	if (AR_SREV_9271(priv->ah))
+		hw->max_tx_aggregation_subframes = MAX_TX_AMPDU_SUBFRAMES_9271;
+	else
+		hw->max_tx_aggregation_subframes = MAX_TX_AMPDU_SUBFRAMES_7010;
+
 	hw->vif_data_size = sizeof(struct ath9k_htc_vif);
 	hw->sta_data_size = sizeof(struct ath9k_htc_sta);
 
@@ -802,6 +808,17 @@
 		 priv->fw_version_major,
 		 priv->fw_version_minor);
 
+	/*
+	 * Check if the available FW matches the driver's
+	 * required version.
+	 */
+	if (priv->fw_version_major != MAJOR_VERSION_REQ ||
+	    priv->fw_version_minor != MINOR_VERSION_REQ) {
+		dev_err(priv->dev, "ath9k_htc: Please upgrade to FW version %d.%d\n",
+			MAJOR_VERSION_REQ, MINOR_VERSION_REQ);
+		return -EINVAL;
+	}
+
 	return 0;
 }