diff options
| author | Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> | 2009-03-16 19:50:57 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-18 23:31:49 -0700 |
| commit | 0e0fde3c8d65524b8dfd834332d6e4a92711a66a (patch) | |
| tree | ecc9eead781a01b3f1b2570546ad8966d7abed2d | |
| parent | 2bad35b7c9588eb5e65c03bcae54e7eb6b1a6504 (diff) | |
| download | linux-0e0fde3c8d65524b8dfd834332d6e4a92711a66a.tar.gz linux-0e0fde3c8d65524b8dfd834332d6e4a92711a66a.tar.bz2 linux-0e0fde3c8d65524b8dfd834332d6e4a92711a66a.zip | |
sh_eth: Change handling of IRQ
Handling of IRQ of the SH7763/SH7764 CPU which sh_eth supported was
changed.
This revises it for this change.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/sh_eth.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c index 7f8e514eb5e9..7b1882765a0c 100644 --- a/drivers/net/sh_eth.c +++ b/drivers/net/sh_eth.c @@ -687,6 +687,7 @@ static irqreturn_t sh_eth_interrupt(int irq, void *netdev) { struct net_device *ndev = netdev; struct sh_eth_private *mdp = netdev_priv(ndev); + irqreturn_t ret = IRQ_NONE; u32 ioaddr, boguscnt = RX_RING_SIZE; u32 intr_status = 0; @@ -696,7 +697,13 @@ static irqreturn_t sh_eth_interrupt(int irq, void *netdev) /* Get interrpt stat */ intr_status = ctrl_inl(ioaddr + EESR); /* Clear interrupt */ - ctrl_outl(intr_status, ioaddr + EESR); + if (intr_status & (EESR_FRC | EESR_RMAF | EESR_RRF | + EESR_RTLF | EESR_RTSF | EESR_PRE | EESR_CERF | + TX_CHECK | EESR_ERR_CHECK)) { + ctrl_outl(intr_status, ioaddr + EESR); + ret = IRQ_HANDLED; + } else + goto other_irq; if (intr_status & (EESR_FRC | /* Frame recv*/ EESR_RMAF | /* Multi cast address recv*/ @@ -723,9 +730,10 @@ static irqreturn_t sh_eth_interrupt(int irq, void *netdev) ndev->name, intr_status); } +other_irq: spin_unlock(&mdp->lock); - return IRQ_HANDLED; + return ret; } static void sh_eth_timer(unsigned long data) @@ -844,7 +852,13 @@ static int sh_eth_open(struct net_device *ndev) int ret = 0; struct sh_eth_private *mdp = netdev_priv(ndev); - ret = request_irq(ndev->irq, &sh_eth_interrupt, 0, ndev->name, ndev); + ret = request_irq(ndev->irq, &sh_eth_interrupt, +#if defined(CONFIG_CPU_SUBTYPE_SH7763) || defined(CONFIG_CPU_SUBTYPE_SH7764) + IRQF_SHARED, +#else + 0, +#endif + ndev->name, ndev); if (ret) { printk(KERN_ERR "Can not assign IRQ number to %s\n", CARDNAME); return ret; |