diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/spider_net.c | 59 |
1 files changed, 45 insertions, 14 deletions
diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c index f5abb5279d4d..590b12c7246c 100644 --- a/drivers/net/spider_net.c +++ b/drivers/net/spider_net.c @@ -1441,11 +1441,17 @@ static void spider_net_handle_error_irq(struct spider_net_card *card, u32 status_reg) { u32 error_reg1, error_reg2; + u32 mask_reg1, mask_reg2; u32 i; int show_error = 1; error_reg1 = spider_net_read_reg(card, SPIDER_NET_GHIINT1STS); error_reg2 = spider_net_read_reg(card, SPIDER_NET_GHIINT2STS); + mask_reg1 = spider_net_read_reg(card, SPIDER_NET_GHIINT1MSK); + mask_reg2 = spider_net_read_reg(card,SPIDER_NET_GHIINT2MSK); + + error_reg1 &= mask_reg1; + error_reg2 &= mask_reg2; /* check GHIINT0STS ************************************/ if (status_reg) @@ -1673,9 +1679,11 @@ spider_net_interrupt(int irq, void *ptr) { struct net_device *netdev = ptr; struct spider_net_card *card = netdev_priv(netdev); - u32 status_reg; + u32 status_reg, mask_reg; status_reg = spider_net_read_reg(card, SPIDER_NET_GHIINT0STS); + mask_reg = spider_net_read_reg(card, SPIDER_NET_GHIINT0MSK); + status_reg &= mask_reg; if (!status_reg) return IRQ_NONE; @@ -1717,6 +1725,38 @@ spider_net_poll_controller(struct net_device *netdev) #endif /* CONFIG_NET_POLL_CONTROLLER */ /** + * spider_net_enable_interrupts - enable interrupts + * @card: card structure + * + * spider_net_enable_interrupt enables several interrupts + */ +static void +spider_net_enable_interrupts(struct spider_net_card *card) +{ + spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, + SPIDER_NET_INT0_MASK_VALUE); + spider_net_write_reg(card, SPIDER_NET_GHIINT1MSK, + SPIDER_NET_INT1_MASK_VALUE); + spider_net_write_reg(card, SPIDER_NET_GHIINT2MSK, + SPIDER_NET_INT2_MASK_VALUE); +} + +/** + * spider_net_disable_interrupts - disable interrupts + * @card: card structure + * + * spider_net_disable_interrupts disables all the interrupts + */ +static void +spider_net_disable_interrupts(struct spider_net_card *card) +{ + spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, 0); + spider_net_write_reg(card, SPIDER_NET_GHIINT1MSK, 0); + spider_net_write_reg(card, SPIDER_NET_GHIINT2MSK, 0); + spider_net_write_reg(card, SPIDER_NET_GMACINTEN, 0); +} + +/** * spider_net_init_card - initializes the card * @card: card structure * @@ -1736,6 +1776,7 @@ spider_net_init_card(struct spider_net_card *card) spider_net_write_reg(card, SPIDER_NET_GMACOPEMD, spider_net_read_reg(card, SPIDER_NET_GMACOPEMD) | 0x4); + spider_net_disable_interrupts(card); } /** @@ -1823,14 +1864,6 @@ spider_net_enable_card(struct spider_net_card *card) spider_net_write_reg(card, SPIDER_NET_GMACOPEMD, SPIDER_NET_OPMODE_VALUE); - /* set interrupt mask registers */ - spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, - SPIDER_NET_INT0_MASK_VALUE); - spider_net_write_reg(card, SPIDER_NET_GHIINT1MSK, - SPIDER_NET_INT1_MASK_VALUE); - spider_net_write_reg(card, SPIDER_NET_GHIINT2MSK, - SPIDER_NET_INT2_MASK_VALUE); - spider_net_write_reg(card, SPIDER_NET_GDTDMACCNTR, SPIDER_NET_GDTBSTA); } @@ -2007,6 +2040,8 @@ spider_net_open(struct net_device *netdev) netif_carrier_on(netdev); netif_poll_enable(netdev); + spider_net_enable_interrupts(card); + return 0; register_int_failed: @@ -2179,11 +2214,7 @@ spider_net_stop(struct net_device *netdev) del_timer_sync(&card->tx_timer); del_timer_sync(&card->aneg_timer); - /* disable/mask all interrupts */ - spider_net_write_reg(card, SPIDER_NET_GHIINT0MSK, 0); - spider_net_write_reg(card, SPIDER_NET_GHIINT1MSK, 0); - spider_net_write_reg(card, SPIDER_NET_GHIINT2MSK, 0); - spider_net_write_reg(card, SPIDER_NET_GMACINTEN, 0); + spider_net_disable_interrupts(card); free_irq(netdev->irq, netdev); |