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authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-02-25 11:59:19 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-02-25 11:59:19 +0000
commitb83545fa99e406ba085ad22593bb23d91e52f933 (patch)
tree99810ab094ef0a498b8b5c112e8683f41241cd0e /target/linux/ramips/files/drivers
parentebeffb64e9a53c0146857d500ff27eb2be4d5901 (diff)
ramips: raeth: don't process disabled interrupts
Also rename the 'fe_int' variable. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30713 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ramips/files/drivers')
-rw-r--r--target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c b/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c
index 01945872eb..86395f1bea 100644
--- a/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c
+++ b/target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c
@@ -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;
}