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authorSujith <Sujith.Manoharan@atheros.com>2010-06-02 15:53:37 +0530
committerJohn W. Linville <linville@tuxdriver.com>2010-06-04 16:00:39 -0400
commit61389f3ed49968746327aef0454b2f27e88e0f8d (patch)
treee4ec07bf3210330eb292890b0a09c7b0d5460679 /drivers/net/wireless/ath/ath9k/common.c
parentb176286276f85e10e8ab3342730c5e39e1ce460b (diff)
downloadblackbird-op-linux-61389f3ed49968746327aef0454b2f27e88e0f8d.tar.gz
blackbird-op-linux-61389f3ed49968746327aef0454b2f27e88e0f8d.zip
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>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/common.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/common.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c
index 03590f048fb8..16e2849f644d 100644
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -397,6 +397,19 @@ void ath9k_cmn_key_delete(struct ath_common *common,
}
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;
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