Don't use literal values for offsets. While at it
rename a function so it is more clear what it
checks for.

This finally takes care of the last magic
5GHz/OFDM offset.

Signed-off-by: Michal Kazior <[email protected]>
---
 drivers/net/wireless/ath/ath10k/mac.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c 
b/drivers/net/wireless/ath/ath10k/mac.c
index c39a300..bdd9baa 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -60,8 +60,11 @@ static struct ieee80211_rate ath10k_rates[] = {
        { .bitrate = 540, .hw_value = ATH10K_HW_RATE_OFDM_54M },
 };
 
-#define ath10k_a_rates (ath10k_rates + 4)
-#define ath10k_a_rates_size (ARRAY_SIZE(ath10k_rates) - 4)
+#define ATH10K_MAC_FIRST_OFDM_RATE_IDX 4
+
+#define ath10k_a_rates (ath10k_rates + ATH10K_MAC_FIRST_OFDM_RATE_IDX)
+#define ath10k_a_rates_size (ARRAY_SIZE(ath10k_rates) - \
+                            ATH10K_MAC_FIRST_OFDM_RATE_IDX)
 #define ath10k_g_rates (ath10k_rates + 0)
 #define ath10k_g_rates_size (ARRAY_SIZE(ath10k_rates))
 
@@ -2001,10 +2004,10 @@ static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
                   sta->addr, !!(arg->peer_flags & WMI_PEER_QOS));
 }
 
-static bool ath10k_mac_sta_has_11g_rates(struct ieee80211_sta *sta)
+static bool ath10k_mac_sta_has_ofdm_only(struct ieee80211_sta *sta)
 {
-       /* First 4 rates in ath10k_rates are CCK (11b) rates. */
-       return sta->supp_rates[IEEE80211_BAND_2GHZ] >> 4;
+       return sta->supp_rates[IEEE80211_BAND_2GHZ] >>
+              ATH10K_MAC_FIRST_OFDM_RATE_IDX;
 }
 
 static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
@@ -2026,7 +2029,7 @@ static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
                                phymode = MODE_11NG_HT40;
                        else
                                phymode = MODE_11NG_HT20;
-               } else if (ath10k_mac_sta_has_11g_rates(sta)) {
+               } else if (ath10k_mac_sta_has_ofdm_only(sta)) {
                        phymode = MODE_11G;
                } else {
                        phymode = MODE_11B;
-- 
2.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to