diff options
| author | Arnaud Patard \(Rtp\) <arnaud.patard@rtp-net.org> | 2013-07-29 19:56:47 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-07-31 02:32:36 (GMT) |
| commit | aded09555b7a0748a692d0d644ac54c10c1c0757 (patch) | |
| tree | 134b748250bc346617d81efc83038a1f54bc6ef5 | |
| parent | 7b70176421993866e616f1cbc4d0dd4054f1bf78 (diff) | |
| download | linux-aded09555b7a0748a692d0d644ac54c10c1c0757.tar.xz | |
mvneta: Fix hang when loading the mvneta driver
When the mvneta driver is compiled, it'll be loaded with clocks disabled.
This implies that the clocks should be enabled again before any register
access or it'll hang.
To fix it:
- enable clock earlier
- move timer callback after setting timer.data
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/marvell/mvneta.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 712779f..3ac29c6 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -2728,20 +2728,10 @@ static int mvneta_probe(struct platform_device *pdev) pp = netdev_priv(dev); - pp->tx_done_timer.function = mvneta_tx_done_timer_callback; - init_timer(&pp->tx_done_timer); - clear_bit(MVNETA_F_TX_DONE_TIMER_BIT, &pp->flags); - pp->weight = MVNETA_RX_POLL_WEIGHT; pp->phy_node = phy_node; pp->phy_interface = phy_mode; - pp->base = of_iomap(dn, 0); - if (pp->base == NULL) { - err = -ENOMEM; - goto err_free_irq; - } - pp->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(pp->clk)) { err = PTR_ERR(pp->clk); @@ -2765,7 +2755,16 @@ static int mvneta_probe(struct platform_device *pdev) } } + pp->base = of_iomap(dn, 0); + if (pp->base == NULL) { + err = -ENOMEM; + goto err_free_irq; + } + pp->tx_done_timer.data = (unsigned long)dev; + pp->tx_done_timer.function = mvneta_tx_done_timer_callback; + init_timer(&pp->tx_done_timer); + clear_bit(MVNETA_F_TX_DONE_TIMER_BIT, &pp->flags); pp->tx_ring_size = MVNETA_MAX_TXD; pp->rx_ring_size = MVNETA_MAX_RXD; |