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Diffstat (limited to 'drivers/net/wireless/ath/ath5k')
-rw-r--r--drivers/net/wireless/ath/ath5k/ahb.c15
-rw-r--r--drivers/net/wireless/ath/ath5k/ath5k.h1
-rw-r--r--drivers/net/wireless/ath/ath5k/base.c102
-rw-r--r--drivers/net/wireless/ath/ath5k/base.h2
-rw-r--r--drivers/net/wireless/ath/ath5k/debug.c24
-rw-r--r--drivers/net/wireless/ath/ath5k/dma.c13
-rw-r--r--drivers/net/wireless/ath/ath5k/mac80211-ops.c5
-rw-r--r--drivers/net/wireless/ath/ath5k/pcu.c2
-rw-r--r--drivers/net/wireless/ath/ath5k/phy.c6
-rw-r--r--drivers/net/wireless/ath/ath5k/qcu.c25
10 files changed, 131 insertions, 64 deletions
diff --git a/drivers/net/wireless/ath/ath5k/ahb.c b/drivers/net/wireless/ath/ath5k/ahb.c
index e9bc9e616b6..79bffe165ca 100644
--- a/drivers/net/wireless/ath/ath5k/ahb.c
+++ b/drivers/net/wireless/ath/ath5k/ahb.c
@@ -37,12 +37,9 @@ ath5k_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
{
struct ath5k_hw *ah = common->priv;
struct platform_device *pdev = to_platform_device(ah->dev);
- struct ar231x_board_config *bcfg = pdev->dev.platform_data;
+ struct ar231x_board_config *bcfg = dev_get_platdata(&pdev->dev);
u16 *eeprom, *eeprom_end;
-
-
- bcfg = pdev->dev.platform_data;
eeprom = (u16 *) bcfg->radio;
eeprom_end = ((void *) bcfg->config) + BOARD_CONFIG_BUFSZ;
@@ -57,7 +54,7 @@ ath5k_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
int ath5k_hw_read_srev(struct ath5k_hw *ah)
{
struct platform_device *pdev = to_platform_device(ah->dev);
- struct ar231x_board_config *bcfg = pdev->dev.platform_data;
+ struct ar231x_board_config *bcfg = dev_get_platdata(&pdev->dev);
ah->ah_mac_srev = bcfg->devid;
return 0;
}
@@ -65,7 +62,7 @@ int ath5k_hw_read_srev(struct ath5k_hw *ah)
static int ath5k_ahb_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac)
{
struct platform_device *pdev = to_platform_device(ah->dev);
- struct ar231x_board_config *bcfg = pdev->dev.platform_data;
+ struct ar231x_board_config *bcfg = dev_get_platdata(&pdev->dev);
u8 *cfg_mac;
if (to_platform_device(ah->dev)->id == 0)
@@ -87,7 +84,7 @@ static const struct ath_bus_ops ath_ahb_bus_ops = {
/*Initialization*/
static int ath_ahb_probe(struct platform_device *pdev)
{
- struct ar231x_board_config *bcfg = pdev->dev.platform_data;
+ struct ar231x_board_config *bcfg = dev_get_platdata(&pdev->dev);
struct ath5k_hw *ah;
struct ieee80211_hw *hw;
struct resource *res;
@@ -96,7 +93,7 @@ static int ath_ahb_probe(struct platform_device *pdev)
int ret = 0;
u32 reg;
- if (!pdev->dev.platform_data) {
+ if (!dev_get_platdata(&pdev->dev)) {
dev_err(&pdev->dev, "no platform data specified\n");
ret = -EINVAL;
goto err_out;
@@ -193,7 +190,7 @@ static int ath_ahb_probe(struct platform_device *pdev)
static int ath_ahb_remove(struct platform_device *pdev)
{
- struct ar231x_board_config *bcfg = pdev->dev.platform_data;
+ struct ar231x_board_config *bcfg = dev_get_platdata(&pdev->dev);
struct ieee80211_hw *hw = platform_get_drvdata(pdev);
struct ath5k_hw *ah;
u32 reg;
diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 2d691b8b95b..74bd54d6ace 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -29,6 +29,7 @@
#include <linux/average.h>
#include <linux/leds.h>
#include <net/mac80211.h>
+#include <net/cfg80211.h>
/* RX/TX descriptor hw structs
* TODO: Driver part should only see sw structs */
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index ce67ab791ea..4b18434ba69 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -56,6 +56,7 @@
#include <linux/etherdevice.h>
#include <linux/nl80211.h>
+#include <net/cfg80211.h>
#include <net/ieee80211_radiotap.h>
#include <asm/unaligned.h>
@@ -165,28 +166,36 @@ static const struct ieee80211_rate ath5k_rates[] = {
.flags = IEEE80211_RATE_SHORT_PREAMBLE },
{ .bitrate = 60,
.hw_value = ATH5K_RATE_CODE_6M,
- .flags = 0 },
+ .flags = IEEE80211_RATE_SUPPORTS_5MHZ |
+ IEEE80211_RATE_SUPPORTS_10MHZ },
{ .bitrate = 90,
.hw_value = ATH5K_RATE_CODE_9M,
- .flags = 0 },
+ .flags = IEEE80211_RATE_SUPPORTS_5MHZ |
+ IEEE80211_RATE_SUPPORTS_10MHZ },
{ .bitrate = 120,
.hw_value = ATH5K_RATE_CODE_12M,
- .flags = 0 },
+ .flags = IEEE80211_RATE_SUPPORTS_5MHZ |
+ IEEE80211_RATE_SUPPORTS_10MHZ },
{ .bitrate = 180,
.hw_value = ATH5K_RATE_CODE_18M,
- .flags = 0 },
+ .flags = IEEE80211_RATE_SUPPORTS_5MHZ |
+ IEEE80211_RATE_SUPPORTS_10MHZ },
{ .bitrate = 240,
.hw_value = ATH5K_RATE_CODE_24M,
- .flags = 0 },
+ .flags = IEEE80211_RATE_SUPPORTS_5MHZ |
+ IEEE80211_RATE_SUPPORTS_10MHZ },
{ .bitrate = 360,
.hw_value = ATH5K_RATE_CODE_36M,
- .flags = 0 },
+ .flags = IEEE80211_RATE_SUPPORTS_5MHZ |
+ IEEE80211_RATE_SUPPORTS_10MHZ },
{ .bitrate = 480,
.hw_value = ATH5K_RATE_CODE_48M,
- .flags = 0 },
+ .flags = IEEE80211_RATE_SUPPORTS_5MHZ |
+ IEEE80211_RATE_SUPPORTS_10MHZ },
{ .bitrate = 540,
.hw_value = ATH5K_RATE_CODE_54M,
- .flags = 0 },
+ .flags = IEEE80211_RATE_SUPPORTS_5MHZ |
+ IEEE80211_RATE_SUPPORTS_10MHZ },
};
static inline u64 ath5k_extend_tsf(struct ath5k_hw *ah, u32 rstamp)
@@ -435,11 +444,27 @@ ath5k_setup_bands(struct ieee80211_hw *hw)
* Called with ah->lock.
*/
int
-ath5k_chan_set(struct ath5k_hw *ah, struct ieee80211_channel *chan)
+ath5k_chan_set(struct ath5k_hw *ah, struct cfg80211_chan_def *chandef)
{
ATH5K_DBG(ah, ATH5K_DEBUG_RESET,
"channel set, resetting (%u -> %u MHz)\n",
- ah->curchan->center_freq, chan->center_freq);
+ ah->curchan->center_freq, chandef->chan->center_freq);
+
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_20:
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ ah->ah_bwmode = AR5K_BWMODE_DEFAULT;
+ break;
+ case NL80211_CHAN_WIDTH_5:
+ ah->ah_bwmode = AR5K_BWMODE_5MHZ;
+ break;
+ case NL80211_CHAN_WIDTH_10:
+ ah->ah_bwmode = AR5K_BWMODE_10MHZ;
+ break;
+ default:
+ WARN_ON(1);
+ return -EINVAL;
+ }
/*
* To switch channels clear any pending DMA operations;
@@ -447,7 +472,7 @@ ath5k_chan_set(struct ath5k_hw *ah, struct ieee80211_channel *chan)
* hardware at the new frequency, and then re-enable
* the relevant bits of the h/w.
*/
- return ath5k_reset(ah, chan, true);
+ return ath5k_reset(ah, chandef->chan, true);
}
void ath5k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
@@ -726,6 +751,9 @@ ath5k_txbuf_setup(struct ath5k_hw *ah, struct ath5k_buf *bf,
bf->skbaddr = dma_map_single(ah->dev, skb->data, skb->len,
DMA_TO_DEVICE);
+ if (dma_mapping_error(ah->dev, bf->skbaddr))
+ return -ENOSPC;
+
ieee80211_get_tx_rates(info->control.vif, (control) ? control->sta : NULL, skb, bf->rates,
ARRAY_SIZE(bf->rates));
@@ -1213,14 +1241,11 @@ static void
ath5k_check_ibss_tsf(struct ath5k_hw *ah, struct sk_buff *skb,
struct ieee80211_rx_status *rxs)
{
- struct ath_common *common = ath5k_hw_common(ah);
u64 tsf, bc_tstamp;
u32 hw_tu;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
- if (ieee80211_is_beacon(mgmt->frame_control) &&
- le16_to_cpu(mgmt->u.beacon.capab_info) & WLAN_CAPABILITY_IBSS &&
- ether_addr_equal(mgmt->bssid, common->curbssid)) {
+ if (le16_to_cpu(mgmt->u.beacon.capab_info) & WLAN_CAPABILITY_IBSS) {
/*
* Received an IBSS beacon with the same BSSID. Hardware *must*
* have updated the local TSF. We have to work around various
@@ -1276,23 +1301,6 @@ ath5k_check_ibss_tsf(struct ath5k_hw *ah, struct sk_buff *skb,
}
}
-static void
-ath5k_update_beacon_rssi(struct ath5k_hw *ah, struct sk_buff *skb, int rssi)
-{
- struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data;
- struct ath_common *common = ath5k_hw_common(ah);
-
- /* only beacons from our BSSID */
- if (!ieee80211_is_beacon(mgmt->frame_control) ||
- !ether_addr_equal(mgmt->bssid, common->curbssid))
- return;
-
- ewma_add(&ah->ah_beacon_rssi_avg, rssi);
-
- /* in IBSS mode we should keep RSSI statistics per neighbour */
- /* le16_to_cpu(mgmt->u.beacon.capab_info) & WLAN_CAPABILITY_IBSS */
-}
-
/*
* Compute padding position. skb must contain an IEEE 802.11 frame
*/
@@ -1365,6 +1373,7 @@ ath5k_receive_frame(struct ath5k_hw *ah, struct sk_buff *skb,
struct ath5k_rx_status *rs)
{
struct ieee80211_rx_status *rxs;
+ struct ath_common *common = ath5k_hw_common(ah);
ath5k_remove_padding(skb);
@@ -1400,6 +1409,16 @@ ath5k_receive_frame(struct ath5k_hw *ah, struct sk_buff *skb,
rxs->rate_idx = ath5k_hw_to_driver_rix(ah, rs->rs_rate);
rxs->flag |= ath5k_rx_decrypted(ah, skb, rs);
+ switch (ah->ah_bwmode) {
+ case AR5K_BWMODE_5MHZ:
+ rxs->flag |= RX_FLAG_5MHZ;
+ break;
+ case AR5K_BWMODE_10MHZ:
+ rxs->flag |= RX_FLAG_10MHZ;
+ break;
+ default:
+ break;
+ }
if (rxs->rate_idx >= 0 && rs->rs_rate ==
ah->sbands[ah->curchan->band].bitrates[rxs->rate_idx].hw_value_short)
@@ -1407,11 +1426,13 @@ ath5k_receive_frame(struct ath5k_hw *ah, struct sk_buff *skb,
trace_ath5k_rx(ah, skb);
- ath5k_update_beacon_rssi(ah, skb, rs->rs_rssi);
+ if (ath_is_mybeacon(common, (struct ieee80211_hdr *)skb->data)) {
+ ewma_add(&ah->ah_beacon_rssi_avg, rs->rs_rssi);
- /* check beacons in IBSS mode */
- if (ah->opmode == NL80211_IFTYPE_ADHOC)
- ath5k_check_ibss_tsf(ah, skb, rxs);
+ /* check beacons in IBSS mode */
+ if (ah->opmode == NL80211_IFTYPE_ADHOC)
+ ath5k_check_ibss_tsf(ah, skb, rxs);
+ }
ieee80211_rx(ah->hw, skb);
}
@@ -1628,15 +1649,15 @@ ath5k_tx_frame_completed(struct ath5k_hw *ah, struct sk_buff *skb,
ah->stats.tx_bytes_count += skb->len;
info = IEEE80211_SKB_CB(skb);
+ size = min_t(int, sizeof(info->status.rates), sizeof(bf->rates));
+ memcpy(info->status.rates, bf->rates, size);
+
tries[0] = info->status.rates[0].count;
tries[1] = info->status.rates[1].count;
tries[2] = info->status.rates[2].count;
ieee80211_tx_info_clear_status(info);
- size = min_t(int, sizeof(info->status.rates), sizeof(bf->rates));
- memcpy(info->status.rates, bf->rates, size);
-
for (i = 0; i < ts->ts_final_idx; i++) {
struct ieee80211_tx_rate *r =
&info->status.rates[i];
@@ -2507,12 +2528,13 @@ ath5k_init_ah(struct ath5k_hw *ah, const struct ath_bus_ops *bus_ops)
/* SW support for IBSS_RSN is provided by mac80211 */
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
+ hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_5_10_MHZ;
+
/* both antennas can be configured as RX or TX */
hw->wiphy->available_antennas_tx = 0x3;
hw->wiphy->available_antennas_rx = 0x3;
hw->extra_tx_headroom = 2;
- hw->channel_change_time = 5000;
/*
* Mark the device as detached to avoid processing
diff --git a/drivers/net/wireless/ath/ath5k/base.h b/drivers/net/wireless/ath/ath5k/base.h
index ca9a83ceeee..97469d0fbad 100644
--- a/drivers/net/wireless/ath/ath5k/base.h
+++ b/drivers/net/wireless/ath/ath5k/base.h
@@ -101,7 +101,7 @@ void ath5k_set_beacon_filter(struct ieee80211_hw *hw, bool enable);
void ath5k_update_bssid_mask_and_opmode(struct ath5k_hw *ah,
struct ieee80211_vif *vif);
-int ath5k_chan_set(struct ath5k_hw *ah, struct ieee80211_channel *chan);
+int ath5k_chan_set(struct ath5k_hw *ah, struct cfg80211_chan_def *chandef);
void ath5k_txbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
void ath5k_rxbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf);
void ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c
index 9d00dab666a..b8d031ae63c 100644
--- a/drivers/net/wireless/ath/ath5k/debug.c
+++ b/drivers/net/wireless/ath/ath5k/debug.c
@@ -245,9 +245,11 @@ static ssize_t write_file_beacon(struct file *file,
struct ath5k_hw *ah = file->private_data;
char buf[20];
- if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
+ count = min_t(size_t, count, sizeof(buf) - 1);
+ if (copy_from_user(buf, userbuf, count))
return -EFAULT;
+ buf[count] = '\0';
if (strncmp(buf, "disable", 7) == 0) {
AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
pr_info("debugfs disable beacons\n");
@@ -345,9 +347,11 @@ static ssize_t write_file_debug(struct file *file,
unsigned int i;
char buf[20];
- if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
+ count = min_t(size_t, count, sizeof(buf) - 1);
+ if (copy_from_user(buf, userbuf, count))
return -EFAULT;
+ buf[count] = '\0';
for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
if (strncmp(buf, dbg_info[i].name,
strlen(dbg_info[i].name)) == 0) {
@@ -448,9 +452,11 @@ static ssize_t write_file_antenna(struct file *file,
unsigned int i;
char buf[20];
- if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
+ count = min_t(size_t, count, sizeof(buf) - 1);
+ if (copy_from_user(buf, userbuf, count))
return -EFAULT;
+ buf[count] = '\0';
if (strncmp(buf, "diversity", 9) == 0) {
ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_DEFAULT);
pr_info("debug: enable diversity\n");
@@ -619,9 +625,11 @@ static ssize_t write_file_frameerrors(struct file *file,
struct ath5k_statistics *st = &ah->stats;
char buf[20];
- if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
+ count = min_t(size_t, count, sizeof(buf) - 1);
+ if (copy_from_user(buf, userbuf, count))
return -EFAULT;
+ buf[count] = '\0';
if (strncmp(buf, "clear", 5) == 0) {
st->rxerr_crc = 0;
st->rxerr_phy = 0;
@@ -766,9 +774,11 @@ static ssize_t write_file_ani(struct file *file,
struct ath5k_hw *ah = file->private_data;
char buf[20];
- if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
+ count = min_t(size_t, count, sizeof(buf) - 1);
+ if (copy_from_user(buf, userbuf, count))
return -EFAULT;
+ buf[count] = '\0';
if (strncmp(buf, "sens-low", 8) == 0) {
ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_HIGH);
} else if (strncmp(buf, "sens-high", 9) == 0) {
@@ -862,9 +872,11 @@ static ssize_t write_file_queue(struct file *file,
struct ath5k_hw *ah = file->private_data;
char buf[20];
- if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
+ count = min_t(size_t, count, sizeof(buf) - 1);
+ if (copy_from_user(buf, userbuf, count))
return -EFAULT;
+ buf[count] = '\0';
if (strncmp(buf, "start", 5) == 0)
ieee80211_wake_queues(ah->hw);
else if (strncmp(buf, "stop", 4) == 0)
diff --git a/drivers/net/wireless/ath/ath5k/dma.c b/drivers/net/wireless/ath/ath5k/dma.c
index ce86f158423..e6c52f7c26e 100644
--- a/drivers/net/wireless/ath/ath5k/dma.c
+++ b/drivers/net/wireless/ath/ath5k/dma.c
@@ -616,7 +616,16 @@ ath5k_hw_get_isr(struct ath5k_hw *ah, enum ath5k_int *interrupt_mask)
* SISRs will also clear PISR so no need to worry here.
*/
- pisr_clear = pisr & ~AR5K_ISR_BITS_FROM_SISRS;
+ /* XXX: There seems to be an issue on some cards
+ * with tx interrupt flags not being updated
+ * on PISR despite that all Tx interrupt bits
+ * are cleared on SISRs. Since we handle all
+ * Tx queues all together it shouldn't be an
+ * issue if we clear Tx interrupt flags also
+ * on PISR to avoid that.
+ */
+ pisr_clear = (pisr & ~AR5K_ISR_BITS_FROM_SISRS) |
+ (pisr & AR5K_INT_TX_ALL);
/*
* Write to clear them...
@@ -661,7 +670,7 @@ ath5k_hw_get_isr(struct ath5k_hw *ah, enum ath5k_int *interrupt_mask)
ah->ah_txq_isr_txok_all |= AR5K_REG_MS(sisr1,
AR5K_SISR1_QCU_TXEOL);
- /* Currently this is not much usefull since we treat
+ /* Currently this is not much useful since we treat
* all queues the same way if we get a TXURN (update
* tx trigger level) but we might need it later on*/
if (pisr & AR5K_ISR_TXURN)
diff --git a/drivers/net/wireless/ath/ath5k/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
index 81b686c6a37..afb23b3cc7b 100644
--- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c
+++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c
@@ -202,7 +202,7 @@ ath5k_config(struct ieee80211_hw *hw, u32 changed)
mutex_lock(&ah->lock);
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
- ret = ath5k_chan_set(ah, conf->chandef.chan);
+ ret = ath5k_chan_set(ah, &conf->chandef);
if (ret < 0)
goto unlock;
}
@@ -325,7 +325,7 @@ ath5k_prepare_multicast(struct ieee80211_hw *hw,
struct netdev_hw_addr *ha;
mfilt[0] = 0;
- mfilt[1] = 1;
+ mfilt[1] = 0;
netdev_hw_addr_list_for_each(ha, mc_list) {
/* calculate XOR of eight 6-bit values */
@@ -681,6 +681,7 @@ ath5k_get_survey(struct ieee80211_hw *hw, int idx, struct survey_info *survey)
survey->channel = conf->chandef.chan;
survey->noise = ah->ah_noise_floor;
survey->filled = SURVEY_INFO_NOISE_DBM |
+ SURVEY_INFO_IN_USE |
SURVEY_INFO_CHANNEL_TIME |
SURVEY_INFO_CHANNEL_TIME_BUSY |
SURVEY_INFO_CHANNEL_TIME_RX |
diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c
index 1f16b4227d8..c60d36aa13e 100644
--- a/drivers/net/wireless/ath/ath5k/pcu.c
+++ b/drivers/net/wireless/ath/ath5k/pcu.c
@@ -144,11 +144,13 @@ ath5k_hw_get_frame_duration(struct ath5k_hw *ah, enum ieee80211_band band,
sifs = AR5K_INIT_SIFS_HALF_RATE;
preamble *= 2;
sym_time *= 2;
+ bitrate = DIV_ROUND_UP(bitrate, 2);
break;
case AR5K_BWMODE_5MHZ:
sifs = AR5K_INIT_SIFS_QUARTER_RATE;
preamble *= 4;
sym_time *= 4;
+ bitrate = DIV_ROUND_UP(bitrate, 4);
break;
default:
sifs = AR5K_INIT_SIFS_DEFAULT_BG;
diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index d6bc7cb61bf..0fce1c76638 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -110,7 +110,7 @@ ath5k_hw_radio_revision(struct ath5k_hw *ah, enum ieee80211_band band)
ath5k_hw_reg_write(ah, 0x00010000, AR5K_PHY(0x20));
if (ah->ah_version == AR5K_AR5210) {
- srev = ath5k_hw_reg_read(ah, AR5K_PHY(256) >> 28) & 0xf;
+ srev = (ath5k_hw_reg_read(ah, AR5K_PHY(256)) >> 28) & 0xf;
ret = (u16)ath5k_hw_bitswap(srev, 4) + 1;
} else {
srev = (ath5k_hw_reg_read(ah, AR5K_PHY(0x100)) >> 24) & 0xff;
@@ -3709,8 +3709,8 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
AR5K_REG_MS(AR5K_TUNE_MAX_TXPOWER, AR5K_TPC_CHIRP),
AR5K_TPC);
} else {
- ath5k_hw_reg_write(ah, AR5K_PHY_TXPOWER_RATE_MAX |
- AR5K_TUNE_MAX_TXPOWER, AR5K_PHY_TXPOWER_RATE_MAX);
+ ath5k_hw_reg_write(ah, AR5K_TUNE_MAX_TXPOWER,
+ AR5K_PHY_TXPOWER_RATE_MAX);
}
return 0;
diff --git a/drivers/net/wireless/ath/ath5k/qcu.c b/drivers/net/wireless/ath/ath5k/qcu.c
index 65fe929529a..0583c69d26d 100644
--- a/drivers/net/wireless/ath/ath5k/qcu.c
+++ b/drivers/net/wireless/ath/ath5k/qcu.c
@@ -566,9 +566,11 @@ int ath5k_hw_set_ifs_intervals(struct ath5k_hw *ah, unsigned int slot_time)
{
struct ieee80211_channel *channel = ah->ah_current_channel;
enum ieee80211_band band;
+ struct ieee80211_supported_band *sband;
struct ieee80211_rate *rate;
u32 ack_tx_time, eifs, eifs_clock, sifs, sifs_clock;
u32 slot_time_clock = ath5k_hw_htoclock(ah, slot_time);
+ u32 rate_flags, i;
if (slot_time < 6 || slot_time_clock > AR5K_SLOT_TIME_MAX)
return -EINVAL;
@@ -605,7 +607,28 @@ int ath5k_hw_set_ifs_intervals(struct ath5k_hw *ah, unsigned int slot_time)
else
band = IEEE80211_BAND_2GHZ;
- rate = &ah->sbands[band].bitrates[0];
+ switch (ah->ah_bwmode) {
+ case AR5K_BWMODE_5MHZ:
+ rate_flags = IEEE80211_RATE_SUPPORTS_5MHZ;
+ break;
+ case AR5K_BWMODE_10MHZ:
+ rate_flags = IEEE80211_RATE_SUPPORTS_10MHZ;
+ break;
+ default:
+ rate_flags = 0;
+ break;
+ }
+ sband = &ah->sbands[band];
+ rate = NULL;
+ for (i = 0; i < sband->n_bitrates; i++) {
+ if ((rate_flags & sband->bitrates[i].flags) != rate_flags)
+ continue;
+ rate = &sband->bitrates[i];
+ break;
+ }
+ if (WARN_ON(!rate))
+ return -EINVAL;
+
ack_tx_time = ath5k_hw_get_frame_duration(ah, band, 10, rate, false);
/* ack_tx_time includes an SIFS already */