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path: root/drivers/net/wireless/ath/ath9k/init.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/init.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/init.c67
1 files changed, 61 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index fad3ccd5cd91..f69ef5d48c7b 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -23,6 +23,11 @@
#include "ath9k.h"
+struct ath9k_eeprom_ctx {
+ struct completion complete;
+ struct ath_hw *ah;
+};
+
static char *dev_info = "ath9k";
MODULE_AUTHOR("Atheros Communications");
@@ -435,7 +440,7 @@ static int ath9k_init_queues(struct ath_softc *sc)
sc->config.cabqReadytime = ATH_CABQ_READY_TIME;
ath_cabq_update(sc);
- for (i = 0; i < WME_NUM_AC; i++) {
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
sc->tx.txq_map[i] = ath_txq_setup(sc, ATH9K_TX_QUEUE_DATA, i);
sc->tx.txq_map[i]->mac80211_qnum = i;
sc->tx.txq_max_pending[i] = ATH_MAX_QDEPTH;
@@ -506,6 +511,51 @@ static void ath9k_init_misc(struct ath_softc *sc)
sc->ant_comb.count = ATH_ANT_DIV_COMB_INIT_COUNT;
}
+static void ath9k_eeprom_request_cb(const struct firmware *eeprom_blob,
+ void *ctx)
+{
+ struct ath9k_eeprom_ctx *ec = ctx;
+
+ if (eeprom_blob)
+ ec->ah->eeprom_blob = eeprom_blob;
+
+ complete(&ec->complete);
+}
+
+static int ath9k_eeprom_request(struct ath_softc *sc, const char *name)
+{
+ struct ath9k_eeprom_ctx ec;
+ struct ath_hw *ah = ah = sc->sc_ah;
+ int err;
+
+ /* try to load the EEPROM content asynchronously */
+ init_completion(&ec.complete);
+ ec.ah = sc->sc_ah;
+
+ err = request_firmware_nowait(THIS_MODULE, 1, name, sc->dev, GFP_KERNEL,
+ &ec, ath9k_eeprom_request_cb);
+ if (err < 0) {
+ ath_err(ath9k_hw_common(ah),
+ "EEPROM request failed\n");
+ return err;
+ }
+
+ wait_for_completion(&ec.complete);
+
+ if (!ah->eeprom_blob) {
+ ath_err(ath9k_hw_common(ah),
+ "Unable to load EEPROM file %s\n", name);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void ath9k_eeprom_release(struct ath_softc *sc)
+{
+ release_firmware(sc->sc_ah->eeprom_blob);
+}
+
static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
const struct ath_bus_ops *bus_ops)
{
@@ -563,10 +613,6 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
spin_lock_init(&sc->sc_serial_rw);
spin_lock_init(&sc->sc_pm_lock);
mutex_init(&sc->mutex);
-#ifdef CONFIG_ATH9K_DEBUGFS
- spin_lock_init(&sc->nodes_lock);
- INIT_LIST_HEAD(&sc->nodes);
-#endif
#ifdef CONFIG_ATH9K_MAC_DEBUG
spin_lock_init(&sc->debug.samp_lock);
#endif
@@ -587,6 +633,12 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
ath_read_cachesize(common, &csz);
common->cachelsz = csz << 2; /* convert to bytes */
+ if (pdata && pdata->eeprom_name) {
+ ret = ath9k_eeprom_request(sc, pdata->eeprom_name);
+ if (ret)
+ goto err_eeprom;
+ }
+
/* Initializes the hardware for all supported chipsets */
ret = ath9k_hw_init(ah);
if (ret)
@@ -623,7 +675,8 @@ err_btcoex:
err_queues:
ath9k_hw_deinit(ah);
err_hw:
-
+ ath9k_eeprom_release(sc);
+err_eeprom:
kfree(ah);
sc->sc_ah = NULL;
@@ -687,6 +740,7 @@ static const struct ieee80211_iface_combination if_comb = {
.n_limits = ARRAY_SIZE(if_limits),
.max_interfaces = 2048,
.num_different_channels = 1,
+ .beacon_int_infra_match = true,
};
void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
@@ -885,6 +939,7 @@ static void ath9k_deinit_softc(struct ath_softc *sc)
if (sc->dfs_detector != NULL)
sc->dfs_detector->exit(sc->dfs_detector);
+ ath9k_eeprom_release(sc);
kfree(sc->sc_ah);
sc->sc_ah = NULL;
}