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ramips: raeth: don't process disabled interrupts

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Also rename the 'fe_int' variable.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30713 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2012-02-25 11:59:19 +00:00
parent ebeffb64e9
commit b83545fa99
1 changed files with 11 additions and 5 deletions
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16
target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c
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@ -755,21 +755,27 @@ static irqreturn_t
ramips_eth_irq(int irq, void *dev)
{
struct raeth_priv *re = netdev_priv(dev);
unsigned long fe_int = ramips_fe_rr(RAMIPS_FE_INT_STATUS);
unsigned int status;
ramips_fe_wr(0xFFFFFFFF, RAMIPS_FE_INT_STATUS);
status = ramips_fe_rr(RAMIPS_FE_INT_STATUS);
status &= ramips_fe_rr(RAMIPS_FE_INT_ENABLE);
if (fe_int & RAMIPS_RX_DLY_INT) {
if (!status)
return IRQ_NONE;
ramips_fe_wr(status, RAMIPS_FE_INT_STATUS);
if (status & RAMIPS_RX_DLY_INT) {
ramips_fe_int_disable(RAMIPS_RX_DLY_INT);
tasklet_schedule(&re->rx_tasklet);
}
if (fe_int & RAMIPS_TX_DLY_INT) {
if (status & RAMIPS_TX_DLY_INT) {
ramips_fe_int_disable(RAMIPS_TX_DLY_INT);
tasklet_schedule(&re->tx_housekeeping_tasklet);
}
raeth_debugfs_update_int_stats(re, fe_int);
raeth_debugfs_update_int_stats(re, status);
return IRQ_HANDLED;
}