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;