| 1 | From 6216bc809c5bdd586b14d096fbaf6dc25574b928 Mon Sep 17 00:00:00 2001 |
| 2 | From: Daniel Hellstrom <daniel@gaisler.com> |
| 3 | Date: Wed, 1 Dec 2010 09:59:14 +0100 |
| 4 | Subject: [PATCH] GRETH: fix opening/closing |
| 5 | |
| 6 | When NAPI is disabled there is no point in having IRQs enabled, TX/RX |
| 7 | should be off before clearing the TX/RX descriptor rings. |
| 8 | |
| 9 | Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> |
| 10 | --- |
| 11 | drivers/net/greth.c | 4 ++++ |
| 12 | 1 files changed, 4 insertions(+), 0 deletions(-) |
| 13 | |
| 14 | --- a/drivers/net/greth.c |
| 15 | +++ b/drivers/net/greth.c |
| 16 | @@ -365,6 +365,8 @@ static int greth_open(struct net_device |
| 17 | dev_dbg(&dev->dev, " starting queue\n"); |
| 18 | netif_start_queue(dev); |
| 19 | |
| 20 | + GRETH_REGSAVE(greth->regs->status, 0xFF); |
| 21 | + |
| 22 | napi_enable(&greth->napi); |
| 23 | |
| 24 | greth_enable_irqs(greth); |
| 25 | @@ -380,7 +382,9 @@ static int greth_close(struct net_device |
| 26 | |
| 27 | napi_disable(&greth->napi); |
| 28 | |
| 29 | + greth_disable_irqs(greth); |
| 30 | greth_disable_tx(greth); |
| 31 | + greth_disable_rx(greth); |
| 32 | |
| 33 | netif_stop_queue(dev); |
| 34 | |
| 35 | |