@@ -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);
+ mutex_lock(&rtwdev->rf_lock);
val = rtwdev->chip->ops->read_rf(rtwdev, rf_path, addr, mask);
- spin_unlock_irqrestore(&rtwdev->rf_lock, flags);
+ mutex_unlock(&rtwdev->rf_lock);
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;
-
- spin_lock_irqsave(&rtwdev->rf_lock, flags);
+ mutex_lock(&rtwdev->rf_lock);
rtwdev->chip->ops->write_rf(rtwdev, rf_path, addr, mask, data);
- spin_unlock_irqrestore(&rtwdev->rf_lock, flags);
+ mutex_unlock(&rtwdev->rf_lock);
}
static inline u32
@@ -1834,12 +1834,12 @@ 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);
mutex_init(&rtwdev->mutex);
+ mutex_init(&rtwdev->rf_lock);
mutex_init(&rtwdev->coex.mutex);
mutex_init(&rtwdev->hal.tx_power_mutex);
@@ -1842,7 +1842,7 @@ struct rtw_dev {
struct mutex mutex;
/* read/write rf register */
- spinlock_t rf_lock;
+ struct mutex rf_lock;
/* watch dog every 2 sec */
struct delayed_work watch_dog_work;
Upcoming SDIO support may sleep in the read/write handlers. Switch rf_lock from a spinlock to a mutex to allow for this behavior. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> --- drivers/net/wireless/realtek/rtw88/hci.h | 11 ++++------- drivers/net/wireless/realtek/rtw88/main.c | 2 +- drivers/net/wireless/realtek/rtw88/main.h | 2 +- 3 files changed, 6 insertions(+), 9 deletions(-)