ath6kl: document all spinlocks

Also fixes quite a few checkpatch warnings like this:

ath6kl/hif.h:226: CHECK: spinlock_t definition without comment

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath6kl/htc.h b/drivers/net/wireless/ath/ath6kl/htc.h
index 2de4d6fc1e32..5027ccc36b62 100644
--- a/drivers/net/wireless/ath/ath6kl/htc.h
+++ b/drivers/net/wireless/ath/ath6kl/htc.h
@@ -523,9 +523,16 @@ struct htc_target {
         struct ath6kl_htc_credit_info *credit_info;
         int tgt_creds;
         unsigned int tgt_cred_sz;
+
+        /* protects free_ctrl_txbuf and free_ctrl_rxbuf */
         spinlock_t htc_lock;
+
+        /* FIXME: does this protext rx_bufq and endpoint structures or what? */
         spinlock_t rx_lock;
+
+        /* protects endpoint->txq */
         spinlock_t tx_lock;
+
         struct ath6kl_device *dev;
         u32 htc_flags;
         u32 rx_st_flags;