ath9k: implement IO serialization

[firefly-linux-kernel-4.4.55.git] / drivers / net / wireless / ath9k / main.c

diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 0e80990d8e843b7420ff437963d967e6a054d7eb..3c04044a60bdffe5441c610436fafcf3ff9d4646 100644 (file)
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -1336,6 +1336,7 @@ static int ath_init(u16 devid, struct ath_softc *sc)
                printk(KERN_ERR "Unable to create debugfs files\n");
 
        spin_lock_init(&sc->sc_resetlock);
+       spin_lock_init(&sc->sc_serial_rw);
        mutex_init(&sc->mutex);
        tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
        tasklet_init(&sc->bcon_tasklet, ath9k_beacon_tasklet,