@@ -144,7 +144,9 @@ static int rtw_debugfs_get_rf_read(struct seq_file *m, void *v)
addr = debugfs_priv->rf_addr;
mask = debugfs_priv->rf_mask;
+ mutex_lock(&rtwdev->mutex);
val = rtw_read_rf(rtwdev, path, addr, mask);
+ mutex_unlock(&rtwdev->mutex);
seq_printf(m, "rf_read path:%d addr:0x%08x mask:0x%08x val=0x%08x\n",
path, addr, mask, val);
@@ -414,7 +416,9 @@ static ssize_t rtw_debugfs_set_rf_write(struct file *filp,
return count;
}
+ mutex_lock(&rtwdev->mutex);
rtw_write_rf(rtwdev, path, addr, mask, val);
+ mutex_unlock(&rtwdev->mutex);
rtw_dbg(rtwdev, RTW_DBG_DEBUGFS,
"write_rf path:%d addr:0x%08x mask:0x%08x, val:0x%08x\n",
path, addr, mask, val);
@@ -519,6 +523,8 @@ static int rtw_debug_get_rf_dump(struct seq_file *m, void *v)
u32 addr, offset, data;
u8 path;
+ mutex_lock(&rtwdev->mutex);
+
for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
seq_printf(m, "RF path:%d\n", path);
for (addr = 0; addr < 0x100; addr += 4) {
@@ -533,6 +539,8 @@ static int rtw_debug_get_rf_dump(struct seq_file *m, void *v)
seq_puts(m, "\n");
}
+ mutex_unlock(&rtwdev->mutex);
+
return 0;
}
@@ -1026,6 +1034,8 @@ static void dump_gapk_status(struct rtw_dev *rtwdev, struct seq_file *m)
dm_info->dm_flags & BIT(RTW_DM_CAP_TXGAPK) ? '-' : '+',
rtw_dm_cap_strs[RTW_DM_CAP_TXGAPK]);
+ mutex_lock(&rtwdev->mutex);
+
for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
val = rtw_read_rf(rtwdev, path, RF_GAINTX, RFREG_MASK);
seq_printf(m, "path %d:\n0x%x = 0x%x\n", path, RF_GAINTX, val);
@@ -1035,6 +1045,7 @@ static void dump_gapk_status(struct rtw_dev *rtwdev, struct seq_file *m)
txgapk->rf3f_fs[path][i], i);
seq_puts(m, "\n");
}
+ mutex_unlock(&rtwdev->mutex);
}
static int rtw_debugfs_get_dm_cap(struct seq_file *m, void *v)
@@ -166,12 +166,11 @@ static inline u32
rtw_read_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
u32 addr, u32 mask)
{
- unsigned long flags;
u32 val;
- spin_lock_irqsave(&rtwdev->rf_lock, flags);
+ lockdep_assert_held(&rtwdev->mutex);
+
val = rtwdev->chip->ops->read_rf(rtwdev, rf_path, addr, mask);
- spin_unlock_irqrestore(&rtwdev->rf_lock, flags);
return val;
}
@@ -180,11 +179,9 @@ static inline void
rtw_write_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
u32 addr, u32 mask, u32 data)
{
- unsigned long flags;
+ lockdep_assert_held(&rtwdev->mutex);
- spin_lock_irqsave(&rtwdev->rf_lock, flags);
rtwdev->chip->ops->write_rf(rtwdev, rf_path, addr, mask, data);
- spin_unlock_irqrestore(&rtwdev->rf_lock, flags);
}
static inline u32
@@ -2067,7 +2067,6 @@ int rtw_core_init(struct rtw_dev *rtwdev)
skb_queue_head_init(&rtwdev->coex.queue);
skb_queue_head_init(&rtwdev->tx_report.queue);
- spin_lock_init(&rtwdev->rf_lock);
spin_lock_init(&rtwdev->h2c.lock);
spin_lock_init(&rtwdev->txq_lock);
spin_lock_init(&rtwdev->tx_report.q_lock);
@@ -1995,9 +1995,6 @@ struct rtw_dev {
/* ensures exclusive access from mac80211 callbacks */
struct mutex mutex;
- /* read/write rf register */
- spinlock_t rf_lock;
-
/* watch dog every 2 sec */
struct delayed_work watch_dog_work;
u32 watch_dog_cnt;