{
struct ionic_lif *lif = netdev_priv(netdev);
bool running;
+ int err;
if (ring->rx_mini_pending || ring->rx_jumbo_pending) {
netdev_info(netdev, "Changing jumbo or mini descriptors not supported\n");
ring->rx_pending == lif->nrxq_descs)
return 0;
- if (!ionic_wait_for_bit(lif, IONIC_LIF_QUEUE_RESET))
- return -EBUSY;
+ err = ionic_wait_for_bit(lif, IONIC_LIF_QUEUE_RESET);
+ if (err)
+ return err;
running = test_bit(IONIC_LIF_UP, lif->state);
if (running)
{
struct ionic_lif *lif = netdev_priv(netdev);
bool running;
+ int err;
if (!ch->combined_count || ch->other_count ||
ch->rx_count || ch->tx_count)
if (ch->combined_count == lif->nxqs)
return 0;
- if (!ionic_wait_for_bit(lif, IONIC_LIF_QUEUE_RESET))
- return -EBUSY;
+ err = ionic_wait_for_bit(lif, IONIC_LIF_QUEUE_RESET);
+ if (err)
+ return err;
running = test_bit(IONIC_LIF_UP, lif->state);
if (running)
/* Put off the next watchdog timeout */
netif_trans_update(lif->netdev);
- if (!ionic_wait_for_bit(lif, IONIC_LIF_QUEUE_RESET))
- return -EBUSY;
+ err = ionic_wait_for_bit(lif, IONIC_LIF_QUEUE_RESET);
+ if (err)
+ return err;
running = netif_running(lif->netdev);
if (running)
#define lif_to_txq(lif, i) (&lif_to_txqcq((lif), i)->q)
#define lif_to_rxq(lif, i) (&lif_to_txqcq((lif), i)->q)
+/* return 0 if successfully set the bit, else non-zero */
static inline int ionic_wait_for_bit(struct ionic_lif *lif, int bitname)
{
- unsigned long tlimit = jiffies + HZ;
-
- while (test_and_set_bit(bitname, lif->state) &&
- time_before(jiffies, tlimit))
- usleep_range(100, 200);
-
- return test_bit(bitname, lif->state);
+ return wait_on_bit_lock(lif->state, bitname, TASK_INTERRUPTIBLE);
}
static inline u32 ionic_coal_usec_to_hw(struct ionic *ionic, u32 usecs)