diff options
Diffstat (limited to 'drivers/net/caif')
| -rw-r--r-- | drivers/net/caif/caif_hsi.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c index 193781389f73..36da27b50114 100644 --- a/drivers/net/caif/caif_hsi.c +++ b/drivers/net/caif/caif_hsi.c @@ -304,14 +304,22 @@ static void cfhsi_tx_done_work(struct work_struct *work) spin_unlock_bh(&cfhsi->lock); /* Create HSI frame. */ - len = cfhsi_tx_frm(desc, cfhsi); - if (!len) { - cfhsi->tx_state = CFHSI_TX_STATE_IDLE; - /* Start inactivity timer. */ - mod_timer(&cfhsi->timer, + do { + len = cfhsi_tx_frm(desc, cfhsi); + if (!len) { + spin_lock_bh(&cfhsi->lock); + if (unlikely(skb_peek(&cfhsi->qhead))) { + spin_unlock_bh(&cfhsi->lock); + continue; + } + cfhsi->tx_state = CFHSI_TX_STATE_IDLE; + /* Start inactivity timer. */ + mod_timer(&cfhsi->timer, jiffies + CFHSI_INACTIVITY_TOUT); - break; - } + spin_unlock_bh(&cfhsi->lock); + goto done; + } + } while (!len); /* Set up new transfer. */ res = cfhsi->dev->cfhsi_tx(cfhsi->tx_buf, len, cfhsi->dev); @@ -320,6 +328,9 @@ static void cfhsi_tx_done_work(struct work_struct *work) __func__, res); } } while (res < 0); + +done: + return; } static void cfhsi_tx_done_cb(struct cfhsi_drv *drv) |