diff options
Diffstat (limited to 'drivers/net/wireless/b43/main.c')
| -rw-r--r-- | drivers/net/wireless/b43/main.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 69c68c29dd9..084bbac0173 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -1394,8 +1394,17 @@ static void b43_interrupt_tasklet(struct b43_wldev *dev) if (unlikely(reason & B43_IRQ_MAC_TXERR)) b43err(dev->wl, "MAC transmission error\n"); - if (unlikely(reason & B43_IRQ_PHY_TXERR)) + if (unlikely(reason & B43_IRQ_PHY_TXERR)) { b43err(dev->wl, "PHY transmission error\n"); + rmb(); + if (unlikely(atomic_dec_and_test(&dev->phy.txerr_cnt))) { + atomic_set(&dev->phy.txerr_cnt, + B43_PHY_TX_BADNESS_LIMIT); + b43err(dev->wl, "Too many PHY TX errors, " + "restarting the controller\n"); + b43_controller_restart(dev, "PHY TX errors"); + } + } if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK | B43_DMAIRQ_NONFATALMASK))) { @@ -2257,6 +2266,9 @@ static int b43_chip_init(struct b43_wldev *dev) /* OFDM address caching. */ phy->ofdm_valid = 0; + /* PHY TX errors counter. */ + atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT); + err = 0; b43dbg(dev->wl, "Chip initialized\n"); out: @@ -2341,6 +2353,9 @@ static void b43_periodic_every15sec(struct b43_wldev *dev) } b43_phy_xmitpower(dev); //FIXME: unless scanning? //TODO for APHY (temperature?) + + atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT); + wmb(); } static void do_periodic_work(struct b43_wldev *dev) |