ath9k_common: Move count_streams to common module
This can be used by ath9k_htc.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c
index 03590f0..16e2849 100644
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -397,6 +397,19 @@
}
EXPORT_SYMBOL(ath9k_cmn_key_delete);
+int ath9k_cmn_count_streams(unsigned int chainmask, int max)
+{
+ int streams = 0;
+
+ do {
+ if (++streams == max)
+ break;
+ } while ((chainmask = chainmask & (chainmask - 1)));
+
+ return streams;
+}
+EXPORT_SYMBOL(ath9k_cmn_count_streams);
+
static int __init ath9k_cmn_init(void)
{
return 0;
diff --git a/drivers/net/wireless/ath/ath9k/common.h b/drivers/net/wireless/ath/ath9k/common.h
index 283cca8..97809d3 100644
--- a/drivers/net/wireless/ath/ath9k/common.h
+++ b/drivers/net/wireless/ath/ath9k/common.h
@@ -64,3 +64,4 @@
struct ieee80211_key_conf *key);
void ath9k_cmn_key_delete(struct ath_common *common,
struct ieee80211_key_conf *key);
+int ath9k_cmn_count_streams(unsigned int chainmask, int max);
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index f388dcc..18d76ed 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -175,18 +175,6 @@
.write = ath9k_iowrite32,
};
-static int count_streams(unsigned int chainmask, int max)
-{
- int streams = 0;
-
- do {
- if (++streams == max)
- break;
- } while ((chainmask = chainmask & (chainmask - 1)));
-
- return streams;
-}
-
/**************************/
/* Initialization */
/**************************/
@@ -227,8 +215,8 @@
/* set up supported mcs set */
memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
- tx_streams = count_streams(common->tx_chainmask, max_streams);
- rx_streams = count_streams(common->rx_chainmask, max_streams);
+ tx_streams = ath9k_cmn_count_streams(common->tx_chainmask, max_streams);
+ rx_streams = ath9k_cmn_count_streams(common->rx_chainmask, max_streams);
ath_print(common, ATH_DBG_CONFIG,
"TX streams %d, RX streams: %d\n",