[PATCH 2/3] mt76: mt7915: rework the flow of txpower setting
Ryder Lee
ryder.lee at mediatek.com
Fri Apr 16 23:16:18 BST 2021
From: Shayne Chen <shayne.chen at mediatek.com>
Clean up the flow of per-rate txpower limit setting to get rid of
dulplicate work since it has already been handled by firmware, and set
proper max_power based on different channels and regdomains.
Signed-off-by: Shayne Chen <shayne.chen at mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee at mediatek.com>
---
.../wireless/mediatek/mt76/mt7915/debugfs.c | 34 ++---
.../wireless/mediatek/mt76/mt7915/eeprom.c | 138 ++++--------------
.../wireless/mediatek/mt76/mt7915/eeprom.h | 40 +----
.../net/wireless/mediatek/mt76/mt7915/init.c | 32 ++--
.../net/wireless/mediatek/mt76/mt7915/main.c | 2 +-
.../net/wireless/mediatek/mt76/mt7915/mcu.c | 29 ++--
.../wireless/mediatek/mt76/mt7915/mt7915.h | 10 +-
.../net/wireless/mediatek/mt76/mt7915/pci.c | 25 ----
8 files changed, 79 insertions(+), 231 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
index 2f706620686e..93bde072fe4d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
@@ -311,8 +311,7 @@ mt7915_queues_read(struct seq_file *s, void *data)
}
static void
-mt7915_puts_rate_txpower(struct seq_file *s, s8 *delta,
- s8 txpower_cur, int band)
+mt7915_puts_rate_txpower(struct seq_file *s, s8 txpower_cur, int band)
{
static const char * const sku_group_name[] = {
"CCK", "OFDM", "HT20", "HT40",
@@ -320,24 +319,18 @@ mt7915_puts_rate_txpower(struct seq_file *s, s8 *delta,
"RU26", "RU52", "RU106", "RU242/SU20",
"RU484/SU40", "RU996/SU80", "RU2x996/SU160"
};
- s8 txpower[MT7915_SKU_RATE_NUM];
+ s8 txpower[161];
int i, idx = 0;
- for (i = 0; i < MT7915_SKU_RATE_NUM; i++)
- txpower[i] = DIV_ROUND_UP(txpower_cur + delta[i], 2);
+ for (i = 0; i < ARRAY_SIZE(txpower); i++)
+ txpower[i] = DIV_ROUND_UP(txpower_cur, 2);
- for (i = 0; i < MAX_SKU_RATE_GROUP_NUM; i++) {
- const struct sku_group *sku = &mt7915_sku_groups[i];
- u32 offset = sku->offset[band];
-
- if (!offset) {
- idx += sku->len;
- continue;
- }
+ for (i = 0; i < ARRAY_SIZE(mt7915_sku_group_len); i++) {
+ u8 len = mt7915_sku_group_len[i];
mt76_seq_puts_array(s, sku_group_name[i],
- txpower + idx, sku->len);
- idx += sku->len;
+ txpower + idx, len);
+ idx += len;
}
}
@@ -347,21 +340,18 @@ mt7915_read_rate_txpower(struct seq_file *s, void *data)
struct mt7915_dev *dev = dev_get_drvdata(s->private);
struct mt76_phy *mphy = &dev->mphy;
enum nl80211_band band = mphy->chandef.chan->band;
- s8 *delta = dev->rate_power[band];
- s8 txpower_base = mphy->txpower_cur - delta[MT7915_SKU_MAX_DELTA_IDX];
+ s8 txpower = mphy->txpower_cur;
seq_puts(s, "Band 0:\n");
- mt7915_puts_rate_txpower(s, delta, txpower_base, band);
+ mt7915_puts_rate_txpower(s, txpower, band);
if (dev->mt76.phy2) {
mphy = dev->mt76.phy2;
band = mphy->chandef.chan->band;
- delta = dev->rate_power[band];
- txpower_base = mphy->txpower_cur -
- delta[MT7915_SKU_MAX_DELTA_IDX];
+ txpower = mphy->txpower_cur;
seq_puts(s, "Band 1:\n");
- mt7915_puts_rate_txpower(s, delta, txpower_base, band);
+ mt7915_puts_rate_txpower(s, txpower, band);
}
return 0;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
index 738ecf8f4fa2..18be0d659406 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
@@ -151,120 +151,38 @@ int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
return target_power;
}
-static const u8 sku_cck_delta_map[] = {
- SKU_CCK_GROUP0,
- SKU_CCK_GROUP0,
- SKU_CCK_GROUP1,
- SKU_CCK_GROUP1,
-};
-
-static const u8 sku_ofdm_delta_map[] = {
- SKU_OFDM_GROUP0,
- SKU_OFDM_GROUP0,
- SKU_OFDM_GROUP1,
- SKU_OFDM_GROUP1,
- SKU_OFDM_GROUP2,
- SKU_OFDM_GROUP2,
- SKU_OFDM_GROUP3,
- SKU_OFDM_GROUP4,
-};
-
-static const u8 sku_mcs_delta_map[] = {
- SKU_MCS_GROUP0,
- SKU_MCS_GROUP1,
- SKU_MCS_GROUP1,
- SKU_MCS_GROUP2,
- SKU_MCS_GROUP2,
- SKU_MCS_GROUP3,
- SKU_MCS_GROUP4,
- SKU_MCS_GROUP5,
- SKU_MCS_GROUP6,
- SKU_MCS_GROUP7,
- SKU_MCS_GROUP8,
- SKU_MCS_GROUP9,
-};
-
-#define SKU_GROUP(_mode, _len, _ofs_2g, _ofs_5g, _map) \
- [_mode] = { \
- .len = _len, \
- .offset = { \
- _ofs_2g, \
- _ofs_5g, \
- }, \
- .delta_map = _map \
-}
-
-const struct sku_group mt7915_sku_groups[] = {
- SKU_GROUP(SKU_CCK, 4, 0x252, 0, sku_cck_delta_map),
- SKU_GROUP(SKU_OFDM, 8, 0x254, 0x29d, sku_ofdm_delta_map),
-
- SKU_GROUP(SKU_HT_BW20, 8, 0x259, 0x2a2, sku_mcs_delta_map),
- SKU_GROUP(SKU_HT_BW40, 9, 0x262, 0x2ab, sku_mcs_delta_map),
- SKU_GROUP(SKU_VHT_BW20, 12, 0x259, 0x2a2, sku_mcs_delta_map),
- SKU_GROUP(SKU_VHT_BW40, 12, 0x262, 0x2ab, sku_mcs_delta_map),
- SKU_GROUP(SKU_VHT_BW80, 12, 0, 0x2b4, sku_mcs_delta_map),
- SKU_GROUP(SKU_VHT_BW160, 12, 0, 0, sku_mcs_delta_map),
-
- SKU_GROUP(SKU_HE_RU26, 12, 0x27f, 0x2dd, sku_mcs_delta_map),
- SKU_GROUP(SKU_HE_RU52, 12, 0x289, 0x2e7, sku_mcs_delta_map),
- SKU_GROUP(SKU_HE_RU106, 12, 0x293, 0x2f1, sku_mcs_delta_map),
- SKU_GROUP(SKU_HE_RU242, 12, 0x26b, 0x2bf, sku_mcs_delta_map),
- SKU_GROUP(SKU_HE_RU484, 12, 0x275, 0x2c9, sku_mcs_delta_map),
- SKU_GROUP(SKU_HE_RU996, 12, 0, 0x2d3, sku_mcs_delta_map),
- SKU_GROUP(SKU_HE_RU2x996, 12, 0, 0, sku_mcs_delta_map),
-};
-
-static s8
-mt7915_get_sku_delta(struct mt7915_dev *dev, u32 addr)
+s8 mt7915_eeprom_get_power_delta(struct mt7915_dev *dev, int band)
{
- u32 val = mt7915_eeprom_read(dev, addr);
- s8 delta = FIELD_GET(SKU_DELTA_VAL, val);
+ u32 val;
+ s8 delta;
- if (!(val & SKU_DELTA_EN))
- return 0;
+ if (band == NL80211_BAND_2GHZ)
+ val = mt7915_eeprom_read(dev, MT_EE_RATE_DELTA_2G);
+ else
+ val = mt7915_eeprom_read(dev, MT_EE_RATE_DELTA_5G);
- return val & SKU_DELTA_ADD ? delta : -delta;
-}
+ if (!(val & MT_EE_RATE_DELTA_EN))
+ return 0;
-static void
-mt7915_eeprom_init_sku_band(struct mt7915_dev *dev,
- struct ieee80211_supported_band *sband)
-{
- int i, band = sband->band;
- s8 *rate_power = dev->rate_power[band], max_delta = 0;
- u8 idx = 0;
-
- for (i = 0; i < ARRAY_SIZE(mt7915_sku_groups); i++) {
- const struct sku_group *sku = &mt7915_sku_groups[i];
- u32 offset = sku->offset[band];
- int j;
-
- if (!offset) {
- idx += sku->len;
- continue;
- }
-
- rate_power[idx++] = mt7915_get_sku_delta(dev, offset);
- if (rate_power[idx - 1] > max_delta)
- max_delta = rate_power[idx - 1];
-
- if (i == SKU_HT_BW20 || i == SKU_VHT_BW20)
- offset += 1;
-
- for (j = 1; j < sku->len; j++) {
- u32 addr = offset + sku->delta_map[j];
-
- rate_power[idx++] = mt7915_get_sku_delta(dev, addr);
- if (rate_power[idx - 1] > max_delta)
- max_delta = rate_power[idx - 1];
- }
- }
+ delta = FIELD_GET(MT_EE_RATE_DELTA_MASK, val);
- rate_power[idx] = max_delta;
+ return val & MT_EE_RATE_DELTA_SIGN ? delta : -delta;
}
-void mt7915_eeprom_init_sku(struct mt7915_dev *dev)
-{
- mt7915_eeprom_init_sku_band(dev, &dev->mphy.sband_2g.sband);
- mt7915_eeprom_init_sku_band(dev, &dev->mphy.sband_5g.sband);
-}
+const u8 mt7915_sku_group_len[] = {
+ [SKU_CCK] = 4,
+ [SKU_OFDM] = 8,
+ [SKU_HT_BW20] = 8,
+ [SKU_HT_BW40] = 9,
+ [SKU_VHT_BW20] = 12,
+ [SKU_VHT_BW40] = 12,
+ [SKU_VHT_BW80] = 12,
+ [SKU_VHT_BW160] = 12,
+ [SKU_HE_RU26] = 12,
+ [SKU_HE_RU52] = 12,
+ [SKU_HE_RU106] = 12,
+ [SKU_HE_RU242] = 12,
+ [SKU_HE_RU484] = 12,
+ [SKU_HE_RU996] = 12,
+ [SKU_HE_RU2x996] = 12
+};
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
index 3ee8c27bb61b..9d92f95c35da 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
@@ -18,6 +18,8 @@ enum mt7915_eeprom_field {
MT_EE_MAC_ADDR2 = 0x00a,
MT_EE_DDIE_FT_VERSION = 0x050,
MT_EE_WIFI_CONF = 0x190,
+ MT_EE_RATE_DELTA_2G = 0x252,
+ MT_EE_RATE_DELTA_5G = 0x29d,
MT_EE_TX0_POWER_2G = 0x2fc,
MT_EE_TX0_POWER_5G = 0x34b,
MT_EE_ADIE_FT_VERSION = 0x9a0,
@@ -34,6 +36,10 @@ enum mt7915_eeprom_field {
#define MT_EE_WIFI_CONF7_TSSI0_5G BIT(2)
#define MT_EE_WIFI_CONF7_TSSI1_5G BIT(4)
+#define MT_EE_RATE_DELTA_MASK GENMASK(5, 0)
+#define MT_EE_RATE_DELTA_SIGN BIT(6)
+#define MT_EE_RATE_DELTA_EN BIT(7)
+
enum mt7915_eeprom_band {
MT_EE_BAND_SEL_DEFAULT,
MT_EE_BAND_SEL_5GHZ,
@@ -41,32 +47,6 @@ enum mt7915_eeprom_band {
MT_EE_BAND_SEL_DUAL,
};
-#define SKU_DELTA_VAL GENMASK(5, 0)
-#define SKU_DELTA_ADD BIT(6)
-#define SKU_DELTA_EN BIT(7)
-
-enum mt7915_sku_delta_group {
- SKU_CCK_GROUP0,
- SKU_CCK_GROUP1,
-
- SKU_OFDM_GROUP0 = 0,
- SKU_OFDM_GROUP1,
- SKU_OFDM_GROUP2,
- SKU_OFDM_GROUP3,
- SKU_OFDM_GROUP4,
-
- SKU_MCS_GROUP0 = 0,
- SKU_MCS_GROUP1,
- SKU_MCS_GROUP2,
- SKU_MCS_GROUP3,
- SKU_MCS_GROUP4,
- SKU_MCS_GROUP5,
- SKU_MCS_GROUP6,
- SKU_MCS_GROUP7,
- SKU_MCS_GROUP8,
- SKU_MCS_GROUP9,
-};
-
enum mt7915_sku_rate_group {
SKU_CCK,
SKU_OFDM,
@@ -86,12 +66,6 @@ enum mt7915_sku_rate_group {
MAX_SKU_RATE_GROUP_NUM,
};
-struct sku_group {
- u8 len;
- u16 offset[2];
- const u8 *delta_map;
-};
-
static inline int
mt7915_get_channel_group(int channel)
{
@@ -124,6 +98,6 @@ mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF7_TSSI0_2G;
}
-extern const struct sku_group mt7915_sku_groups[];
+extern const u8 mt7915_sku_group_len[MAX_SKU_RATE_GROUP_NUM];
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
index c91ec7bd674d..c2d6b3c23344 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -77,8 +77,12 @@ mt7915_regd_notifier(struct wiphy *wiphy,
struct mt7915_phy *phy = mphy->priv;
struct cfg80211_chan_def *chandef = &mphy->chandef;
+ memcpy(dev->mt76.alpha2, request->alpha2, sizeof(dev->mt76.alpha2));
dev->mt76.region = request->dfs_region;
+ mt7915_init_txpower(dev, &mphy->sband_2g.sband);
+ mt7915_init_txpower(dev, &mphy->sband_5g.sband);
+
if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
return;
@@ -208,10 +212,13 @@ static int mt7915_txbf_init(struct mt7915_dev *dev)
}
static void
-mt7915_init_txpower_band(struct mt7915_dev *dev,
- struct ieee80211_supported_band *sband)
+mt7915_init_txpower(struct mt7915_dev *dev,
+ struct ieee80211_supported_band *sband)
{
int i, n_chains = hweight8(dev->mphy.antenna_mask);
+ int nss_delta = mt76_tx_power_nss_delta(n_chains);
+ int pwr_delta = mt7915_eeprom_get_power_delta(dev, sband->band);
+ struct mt76_power_limits limits;
for (i = 0; i < sband->n_channels; i++) {
struct ieee80211_channel *chan = &sband->channels[i];
@@ -225,20 +232,18 @@ mt7915_init_txpower_band(struct mt7915_dev *dev,
target_power = max(target_power, val);
}
+ target_power += pwr_delta;
+ target_power = mt76_get_rate_power_limits(&dev->mphy, chan,
+ &limits,
+ target_power);
+ target_power += nss_delta;
+ target_power = DIV_ROUND_UP(target_power, 2);
chan->max_power = min_t(int, chan->max_reg_power,
- target_power / 2);
- chan->orig_mpwr = target_power / 2;
+ target_power);
+ chan->orig_mpwr = target_power;
}
}
-static void mt7915_init_txpower(struct mt7915_dev *dev)
-{
- mt7915_init_txpower_band(dev, &dev->mphy.sband_2g.sband);
- mt7915_init_txpower_band(dev, &dev->mphy.sband_5g.sband);
-
- mt7915_eeprom_init_sku(dev);
-}
-
static int mt7915_register_ext_phy(struct mt7915_dev *dev)
{
struct mt7915_phy *phy = mt7915_ext_phy(dev);
@@ -295,7 +300,8 @@ static void mt7915_init_work(struct work_struct *work)
mt7915_mcu_set_eeprom(dev);
mt7915_mac_init(dev);
- mt7915_init_txpower(dev);
+ mt7915_init_txpower(dev, &dev->mphy.sband_2g.sband);
+ mt7915_init_txpower(dev, &dev->mphy.sband_5g.sband);
mt7915_txbf_init(dev);
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
index 2fd87987312e..2474528de241 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -423,7 +423,7 @@ static int mt7915_config(struct ieee80211_hw *hw, u32 changed)
}
if (changed & IEEE80211_CONF_CHANGE_POWER) {
- ret = mt7915_mcu_set_sku(phy);
+ ret = mt7915_mcu_set_txpower_sku(phy);
if (ret)
return ret;
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 3d88a05aad5d..77044467f31a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -3361,8 +3361,9 @@ int mt7915_mcu_get_tx_rate(struct mt7915_dev *dev, u32 cmd, u16 wlan_idx)
sizeof(req), false);
}
-int mt7915_mcu_set_sku(struct mt7915_phy *phy)
+int mt7915_mcu_set_txpower_sku(struct mt7915_phy *phy)
{
+#define MT7915_SKU_RATE_NUM 161
struct mt7915_dev *dev = phy->dev;
struct mt76_phy *mphy = phy->mt76;
struct ieee80211_hw *hw = mphy->hw;
@@ -3376,11 +3377,10 @@ int mt7915_mcu_set_sku(struct mt7915_phy *phy)
.dbdc_idx = phy != &dev->phy,
};
struct mt76_power_limits limits_array;
- s8 *delta, *la = (s8 *)&limits_array;
+ s8 *la = (s8 *)&limits_array;
int i, idx, n_chains = hweight8(mphy->antenna_mask);
int tx_power;
- delta = dev->rate_power[mphy->chandef.chan->band];
tx_power = hw->conf.power_level * 2 -
mt76_tx_power_nss_delta(n_chains);
@@ -3388,10 +3388,8 @@ int mt7915_mcu_set_sku(struct mt7915_phy *phy)
&limits_array, tx_power);
mphy->txpower_cur = tx_power;
- for (i = 0, idx = 0; i < MAX_SKU_RATE_GROUP_NUM; i++) {
- const struct sku_group *sku = &mt7915_sku_groups[i];
- u32 offset = sku->offset[mphy->chandef.chan->band];
- u8 mcs_num = sku->len;
+ for (i = 0, idx = 0; i < ARRAY_SIZE(mt7915_sku_group_len); i++) {
+ u8 mcs_num, len = mt7915_sku_group_len[i];
int j;
if (i >= SKU_HT_BW20 && i <= SKU_VHT_BW160) {
@@ -3399,22 +3397,15 @@ int mt7915_mcu_set_sku(struct mt7915_phy *phy)
if (i == SKU_HT_BW20 || i == SKU_VHT_BW20)
la = (s8 *)&limits_array + 12;
+ } else {
+ mcs_num = len;
}
- if (!offset) {
- idx += sku->len;
- la += mcs_num;
- continue;
- }
-
- for (j = 0; j < min_t(u8, mcs_num, sku->len); j++) {
- s8 rate_power;
+ for (j = 0; j < min_t(u8, mcs_num, len); j++)
+ req.val[idx + j] = la[j];
- rate_power = hw->conf.power_level * 2 + delta[idx + j];
- req.val[idx + j] = min_t(s8, la[j], rate_power);
- }
la += mcs_num;
- idx += sku->len;
+ idx += len;
}
return mt76_mcu_send_msg(&dev->mt76,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index dbc70c0d6668..397ad71c405a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -39,10 +39,6 @@
#define MT7915_5G_RATE_DEFAULT 0x4b /* OFDM 6M */
#define MT7915_2G_RATE_DEFAULT 0x0 /* CCK 1M */
-#define MT7915_SKU_RATE_NUM 161
-#define MT7915_SKU_MAX_DELTA_IDX MT7915_SKU_RATE_NUM
-#define MT7915_SKU_TABLE_SIZE (MT7915_SKU_RATE_NUM + 1)
-
struct mt7915_vif;
struct mt7915_sta;
struct mt7915_dfs_pulse;
@@ -195,8 +191,6 @@ struct mt7915_dev {
int token_count;
struct idr token;
- s8 **rate_power; /* TODO: use mt76_rate_power */
-
bool dbdc_support;
bool flash_mode;
bool fw_debug;
@@ -300,7 +294,7 @@ void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy);
int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
struct ieee80211_channel *chan,
u8 chain_idx);
-void mt7915_eeprom_init_sku(struct mt7915_dev *dev);
+s8 mt7915_eeprom_get_power_delta(struct mt7915_dev *dev, int band);
int mt7915_dma_init(struct mt7915_dev *dev);
void mt7915_dma_prefetch(struct mt7915_dev *dev);
void mt7915_dma_cleanup(struct mt7915_dev *dev);
@@ -350,7 +344,7 @@ int mt7915_mcu_set_ser(struct mt7915_dev *dev, u8 action, u8 set, u8 band);
int mt7915_mcu_set_rts_thresh(struct mt7915_phy *phy, u32 val);
int mt7915_mcu_set_pm(struct mt7915_dev *dev, int band, int enter);
int mt7915_mcu_set_sku_en(struct mt7915_phy *phy, bool enable);
-int mt7915_mcu_set_sku(struct mt7915_phy *phy);
+int mt7915_mcu_set_txpower_sku(struct mt7915_phy *phy);
int mt7915_mcu_set_txbf_type(struct mt7915_dev *dev);
int mt7915_mcu_set_txbf_module(struct mt7915_dev *dev);
int mt7915_mcu_set_txbf_sounding(struct mt7915_dev *dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/pci.c b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c
index 75769595d1e1..ebfc4c15fef2 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c
@@ -154,28 +154,6 @@ static irqreturn_t mt7915_irq_handler(int irq, void *dev_instance)
return IRQ_HANDLED;
}
-static int
-mt7915_alloc_device(struct pci_dev *pdev, struct mt7915_dev *dev)
-{
-#define NUM_BANDS 2
- int i;
- s8 **sku;
-
- sku = devm_kzalloc(&pdev->dev, NUM_BANDS * sizeof(*sku), GFP_KERNEL);
- if (!sku)
- return -ENOMEM;
-
- for (i = 0; i < NUM_BANDS; i++) {
- sku[i] = devm_kzalloc(&pdev->dev, MT7915_SKU_TABLE_SIZE *
- sizeof(**sku), GFP_KERNEL);
- if (!sku[i])
- return -ENOMEM;
- }
- dev->rate_power = sku;
-
- return 0;
-}
-
static void mt7915_pci_init_hif2(struct mt7915_dev *dev)
{
struct mt7915_hif *hif;
@@ -270,9 +248,6 @@ static int mt7915_pci_probe(struct pci_dev *pdev,
return -ENOMEM;
dev = container_of(mdev, struct mt7915_dev, mt76);
- ret = mt7915_alloc_device(pdev, dev);
- if (ret)
- goto error;
ret = mt7915_mmio_init(mdev, pcim_iomap_table(pdev)[0], pdev->irq);
if (ret)
--
2.18.0
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