612-retry-limit-for-bitmira.patch

--- a/drivers/net/wireless/ath/ath9k/debug.c	2013-08-05 23:16:14.000000000 +0800
+++ b/drivers/net/wireless/ath/ath9k/debug.c	2013-08-05 23:14:15.000000000 +0800
@@ -1966,6 +1966,45 @@
 	.llseek = default_llseek,
 };
 
+static ssize_t read_file_retry_limit(struct file *file, char __user *user_buf,
+                                size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	char buf[16];
+	unsigned int len;
+
+	len = sprintf(buf, "%u\n", sc->debug.retry_limit);
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_retry_limit(struct file *file, const char __user *user_buf,
+			     size_t count, loff_t *ppos)
+{
+	struct ath_softc *sc = file->private_data;
+	unsigned long retry_limit;
+	char buf[16];
+	ssize_t len;
+
+	len = min(count, sizeof(buf) - 1);
+	if (copy_from_user(buf, user_buf, len))
+		return -EFAULT;
+
+	buf[len] = '\0';
+	if (strict_strtoul(buf, 0, &retry_limit))
+		return -EINVAL;
+
+	sc->debug.retry_limit = retry_limit;
+	return count;
+}
+
+static const struct file_operations fops_retry_limit = {
+	.read = read_file_retry_limit,
+	.write = write_file_retry_limit,
+	.open = ath9k_debugfs_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
 int ath9k_init_debug(struct ath_hw *ah)
 {
 	struct ath_common *common = ath9k_hw_common(ah);
@@ -2047,7 +2086,10 @@
 				&fops_aggr_record);
 	debugfs_create_file("rx_infos", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc,
 				&fops_rx_infos);
+	debugfs_create_file("retry_limit", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, 
+				&fops_retry_limit);
 
+	sc->debug.retry_limit = 20;
 	INIT_LIST_HEAD(&sc->debug.rx_infos_list);
 	INIT_LIST_HEAD(&sc->debug.xmit_bw_list);
 	INIT_LIST_HEAD(&sc->debug.recv_tp_list);
--- a/drivers/net/wireless/ath/ath9k/debug.h	2013-08-05 23:16:14.000000000 +0800
+++ b/drivers/net/wireless/ath/ath9k/debug.h	2013-08-05 23:15:10.000000000 +0800
@@ -275,6 +275,7 @@
 	u8 tsidx;
 	u8 rsidx;
 
+	u8 retry_limit;
 	struct list_head recv_tp_list;
 	struct realtime_var rtv;
 	struct list_head xmit_bw_list;