ath9k_hw: remove pCap->keycache_size

Similar to the number of tx queue, the number of keycache entries depends
on the chip and shouldn't be messed with based on EEPROM data.
Remove this field and stick to using AR_KEYTABLE_SIZE

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

4 files changed, 2 insertions, 21 deletions

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index ca69e7ccfd80..8303b34bdc90 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -564,13 +564,7 @@ static void ath9k_init_crypto(struct ath9k_htc_priv *priv)
         int i = 0;
 
         /* Get the hardware key cache size. */
-        common->keymax = priv->ah->caps.keycache_size;
-        if (common->keymax > ATH_KEYMAX) {
-                ath_dbg(common, ATH_DBG_ANY,
-                        "Warning, using only %u entries in %u key cache\n",
-                        ATH_KEYMAX, common->keymax);
-                common->keymax = ATH_KEYMAX;
-        }
+        common->keymax = AR_KEYTABLE_SIZE;
 
         if (priv->ah->misc_mode & AR_PCU_MIC_NEW_LOC_ENA)
                 common->crypt_caps |= ATH_CRYPT_CAP_MIC_COMBINED;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index be2257469ab5..5c676da73fee 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1880,12 +1880,6 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
         else
                 pCap->hw_caps &= ~ATH9K_HW_CAP_HT;
 
-        if (capField & AR_EEPROM_EEPCAP_KC_ENTRIES)
-                pCap->keycache_size =
-                        1 << MS(capField, AR_EEPROM_EEPCAP_KC_ENTRIES);
-        else
-                pCap->keycache_size = AR_KEYTABLE_SIZE;
-
         if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
                 pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD >> 1;
         else
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index a255f9a0a698..296e51b6135b 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -191,7 +191,6 @@ enum ath9k_hw_caps {
 
 struct ath9k_hw_capabilities {
         u32 hw_caps; /* ATH9K_HW_CAP_* from ath9k_hw_caps */
-        u16 keycache_size;
         u16 low_5ghz_chan, high_5ghz_chan;
         u16 low_2ghz_chan, high_2ghz_chan;
         u16 rts_aggr_limit;
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index db1b7553c684..1ac8318d82a3 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -407,13 +407,7 @@ void ath9k_init_crypto(struct ath_softc *sc)
         int i = 0;
 
         /* Get the hardware key cache size. */
-        common->keymax = sc->sc_ah->caps.keycache_size;
-        if (common->keymax > ATH_KEYMAX) {
-                ath_dbg(common, ATH_DBG_ANY,
-                        "Warning, using only %u entries in %u key cache\n",
-                        ATH_KEYMAX, common->keymax);
-                common->keymax = ATH_KEYMAX;
-        }
+        common->keymax = AR_KEYTABLE_SIZE;
 
         /*
          * Reset the key cache since some parts do not